Adoption of B.B. , 417 P.3d 1 ( 2017 )


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  •                  This opinion is subject to revision before final
    publication in the Pacific Reporter
    
    2017 UT 59
    IN THE
    SUPREME COURT OF THE STATE OF UTAH
    In the Matter of the Adoption of B.B., a minor,
    E.T.,
    Appellant,
    v.
    R.K.B. and K.A.B.,
    Appellees.
    No. 20150434
    Filed August 31, 2017
    On Certification from the Court of Appeals
    Third District, Salt Lake
    The Honorable Ryan M. Harris
    No. 142900417
    Attorneys:
    Angilee K. Dakic, Salt Lake City, for appellant
    Larry S. Jenkins, Lance D. Rich, Salt Lake City, for appellees
    JUSTICE HIMONAS authored the opinion of the Court with respect
    to Parts II.B., II.D., and III, in which JUSTICE DURHAM and
    JUSTICE PEARCE joined; and a dissenting opinion with
    respect to Parts I, II.A., and II.C, in which JUSTICE DURHAM joined.
    ASSOCIATE CHIEF JUSTICE LEE authored the opinion of the Court
    with respect to Part I of his opinion, in which CHIEF JUSTICE DURRANT
    and JUSTICE PEARCE joined; and a dissenting opinion with respect to
    Part II of his opinion, in which CHIEF JUSTICE DURRANT joined.
    JUSTICE HIMONAS, opinion of the Court as to Parts II.B., II.D., and III:
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    INTRODUCTION
    ¶ 1 Contested adoptions are gut-wrenching, and the longer they
    remain in flux, the greater the toll on the biological parents, the
    prospective adoptive parents, family members, and, most significantly,
    the child. But no one is better off for “judicial shortcuts, intentional or
    unintentional, which reach an expeditious result but fail to recognize
    the fundamental nature of the right of [biological] parents to the care,
    custody, and management of their child.” In re Adoption of L.D.S., 
    155 P.3d 1
    , 8 (Okla. 2006), as supplemented on reh’g, No. 250 (Mar. 6, 2007).
    “In fact, the best interests of the child can be served in no legitimate
    manner except in obedience to the policies and procedures mandated
    by law.” 
    Id. So it
    is vital that the courts of this state, this court included,
    take care to ensure that adoption proceedings are as free as possible
    from fatal defects. Regrettably, this case is septic: Birth Mother
    admitted to having perpetrated a fraud on the district court and
    suborning perjury from her brother-in-law, all in an effort to keep Birth
    Father from intervening in the proceedings, and all against the
    backdrop of what I believe was untimely and therefore invalid consent.
    ¶ 2 Procedurally, this case is before us on certification from our
    court of appeals, the central issue presented by the parties being
    whether the district court got it right when it denied Birth Father’s
    motion to intervene. Because both Birth Father and Birth Mother are
    members of the Cheyenne River Sioux Tribe and B.B. is eligible for
    enrollment in the tribe, the Child is an Indian child. Hence, in my view,
    we have to consider the interplay between the Indian Child Welfare Act
    (ICWA) and Birth Father’s attempt to intervene, the application of
    ICWA to Birth Mother’s consent, and the impact her invalid consent
    has on these proceedings.1 I view these inquiries as raising the issues of
    (1) whether a district court has subject matter jurisdiction over an
    adoption proceeding where neither biological parent has validly
    consented to the adoption and where the order terminating their
    parental rights is therefore void, (2) whether the jurisdictional issue is
    properly before us by virtue of Birth Father’s right to challenge the
    validity of Birth Mother’s consent and the order terminating his
    1 I refer to E.T., the unmarried biological father, as “Birth Father,”
    C.C., the unmarried biological mother, as “Birth Mother,” and B.B. as
    the “Child.”
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                    Himonas, J., Opinion of the Court in part
    parental rights, and (3) whether Birth Father is a “parent” for purposes
    of ICWA and entitled to intervene in the proceedings below.
    ¶ 3 The court is not of one mind on the issues. With respect to
    issue 1, a minority of this court would hold that where, as here, neither
    biological parent has validly consented to the adoption nor had their
    parental rights otherwise terminated, our courts lack subject matter
    jurisdiction to go ahead with adoption proceedings. With respect to
    issue 2, the minority would further hold that Birth Father has standing
    under our traditional approach to standing, and the right, under section
    1914 of ICWA, to challenge Birth Mother’s consent and the termination
    order and to argue the lack of subject matter jurisdiction. And with
    respect to issue 3, which is separate from the jurisdictional questions, a
    majority of this court holds that Birth Father is a “parent” under ICWA
    and, as such, is entitled to participate in the proceedings below on
    remand. The decision of the district court is therefore reversed and the
    matter remanded for proceedings consistent with this opinion.2
    2  Put a little differently, this case implicates issues of subject matter
    jurisdiction and statutory interpretation. The subject matter jurisdiction
    issue turns on whether we may void the termination of Birth Mother’s
    parental rights by holding that Birth Mother failed to give valid
    consent, and that, therefore, the district court lacked subject matter
    jurisdiction to terminate her parental rights. But the majority of the
    court—Chief Justice Durrant, Associate Chief Justice Lee, and Justice
    Pearce—holds that this issue is not properly before us and therefore
    does not reach the issue of Birth Mother’s consent.
    On the statutory interpretation question, which turns on whether
    Birth Father is a “parent” under ICWA, a majority of the court—Justices
    Himonas, Durham, and Pearce—holds that Birth Father qualifies as a
    parent because he met the federal standard for acknowledging or
    establishing paternity. The dissent would hold that there is no federal
    standard for acknowledging or establishing paternity, and that Birth
    Father’s failure to follow Utah procedures for acknowledging or
    establishing paternity means that he is not a parent under ICWA.
    Because the court concludes that Birth Father is a parent under ICWA,
    it also holds that he has a right to notice and to intervene in the
    adoption proceedings, reversing the district court’s contrary conclusion
    and remanding for further proceedings.
    3
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    BACKGROUND
    ¶ 4 In December 2013, Birth Father and Birth Mother were in a
    committed relationship and engaged in sex leading to the conception of
    the Child.3 Both Birth Father and Birth Mother are members of the
    Cheyenne River Sioux Tribe, and they resided together on the
    Cheyenne River Sioux Reservation in South Dakota at the time of
    conception and for the first six months of Birth Mother’s pregnancy.
    Birth Father supported Birth Mother during her pregnancy, paying for
    her phone bill and their rent, utilities, and groceries. Six months into
    the pregnancy, in June or July 2014, Birth Mother moved to Utah to be
    closer to friends and family. Birth Father was to join her later, once she
    was settled into their new apartment.
    ¶ 5 For the first few weeks after Birth Mother’s move to Utah, she
    and Birth Father stayed in contact over the phone, but after Birth
    Mother encountered a former boyfriend, she cut off all contact with
    Birth Father. She stopped calling Birth Father, stopped answering his
    calls, and even changed her phone number. At Birth Mother’s request,
    mutual friends told Birth Father that she was fine and would soon
    return to South Dakota. Birth Father indicated that he “figured . . . [she]
    just needed some space” and that she “would return to South Dakota
    before she delivered [their] baby, or that she and the baby would return
    together after the delivery.”
    ¶ 6 On August 29, 2014, Birth Mother gave birth to the Child in
    Utah. Twenty-four hours and six minutes later, she signed a form titled
    “Relinquishment of Parental Rights and Consent of Natural Birth
    Mother to Adoption” in the presence of a notary public and an
    adoption agency representative. Birth Mother also signed a Statement
    Concerning Birth Father, naming her brother-in-law, rather than Birth
    Father, as the biological father. Based on Birth Mother’s
    misrepresentations concerning the biological father, the adoption
    agency and counsel for the adoptive parents had the brother-in-law
    sign a sworn affidavit declaring that he was the Child’s biological
    3 In its decision, the district court listed facts that “the Court from a
    careful review of the parties’ submissions believe[d] . . . to be
    undisputed, and [did] not by th[e] factual recitation intend to resolve
    disputed factual issues, if any.” We mirror the district court in this
    regard, reciting facts from the record that appear largely undisputed.
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                   Himonas, J., Opinion of the Court in part
    father, relinquishing his rights to the Child, consenting to the adoption,
    and representing that he was neither an enrolled member of nor eligible
    for membership in a Native American tribe.
    ¶ 7 On September 8, 2014, ten days from the Child’s birth, Birth
    Mother executed a Voluntary Relinquishment of Parental Rights,
    Consent to Adoption, and Consent to Entry of Order Terminating
    Parental Rights in open court, again naming her brother-in-law as the
    Child’s biological father. On September 25, 2014, the district court
    issued an order terminating Birth Mother’s parental rights and
    determining the biological father’s rights. Birth Mother had expressly
    objected to any Indian tribe receiving notice of the proceedings, and the
    district court determined that the proceedings were voluntary and that
    therefore no Indian tribe was entitled to notice. The court held that “the
    unwed biological father[], whether he be [Birth Mother’s brother-in-
    law] or any other man,” had “forfeited, surrendered, or waived” his
    parental rights and that his consent to the adoption was not required.
    The court also determined that the unmarried biological father had not
    acknowledged or established paternity to the Child and was therefore
    not a “parent” under ICWA. See 25 U.S.C. § 1903(9). The court then
    transferred custody of the Child to the adoption agency and authorized
    it to delegate custody to the prospective adoptive parents.
    ¶ 8 Birth Mother returned to South Dakota at the end of
    September 2014. On or about September 27, 2014, she saw Birth Father
    and told him that she had given birth to the Child and placed him for
    adoption. According to Birth Father, she told him that she listed no
    father on the birth certificate and that she later misrepresented the
    identity of the father. According to his affidavit, Birth Father “was
    completely shocked and devastated because [he] did not know that
    [their] son had been born, and [he] never knew [Birth Mother] had even
    considered placing him for adoption.” Birth Father also stated that he
    “immediately sought assistance to establish paternity and intervene in
    this matter,” although it is unclear from the record what his immediate
    action was.
    ¶ 9 According to Birth Father, he and Birth Mother “contacted the
    Utah vital records office to add [Birth Father’s] name to [their] son’s
    birth certificate, but [were] advised by counsel not to[,] due to [Birth
    Mother’s] rights being terminated.” Both Birth Father and Birth Mother
    informed the tribe of the situation. Over a period of a couple of months,
    Birth Father consulted with Dakota Plains Legal Services. On or before
    October 30, 2014, Dakota Plains Legal Services contacted counsel for the
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    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    prospective adoptive parents and left a message regarding Birth
    Mother, apparently communicating Birth Mother’s desire to withdraw
    her consent and requesting that the Child be returned to her. In
    November 2014, Birth Mother contacted the adoption agency to correct
    her misrepresentation, informing the adoption agency that Birth Father
    was the true biological parent.4 In late November or December 2014,
    according to Birth Father, Dakota Plains Legal Services referred him to
    Utah Legal Services, Inc., and on December 31, 2014, Birth Father filed a
    motion to intervene in the proceedings “in order to establish paternity,
    and thereafter file a petition to have his parental rights determined.”5
    The case had been inactive from the entry of the termination order on
    September 25, 2014, until the filing of the motion to intervene on
    December 31, 2014.
    ¶ 10 Birth Father’s motion to intervene was mistakenly granted on
    January 5, 2015, before the prospective adoptive parents’ time to
    respond to or oppose the motion had run. Birth Father then filed a
    4   Birth Mother claims that “within one week of th[e] court entering
    its order to relinquish [her] rights, [she] contacted [the adoption
    agency] and informed them that [she] wanted to withdraw [her]
    consent” and was told that it was too late. But the exhibit she cites in
    support of that claim is a December 11, 2014 letter from the adoption
    agency that references a letter received from Birth Mother “last month”
    (i.e., November 2014). She cites that same letter in her affidavit, in
    support of her assertion that she “tried to revoke [her] consent and
    correct the misrepresentations that [she] had made to [the adoption
    agency].” And Birth Father cites that same letter in support of his claim
    that
    [i]n December 2014, when the child was just a little over
    three months old, [Birth Mother] contacted [the
    adoption agency] to inform them that she had
    misrepresented the identity of the true father, and she
    made efforts to rescind the relinquishment of her
    parental rights, but was informed by the director that
    they ‘no longer have [any] power in that matter’ and
    that she ‘would need to work with the judge.’
    5  Birth Father stated that his intervention was “pursuant to Rule
    24(a) of the Utah Rules of Civil Procedure and 25 U.S.C. 1911(c).”
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                   Himonas, J., Opinion of the Court in part
    Motion for Paternity Test, and the prospective adoptive parents filed a
    motion requesting that the district court reconsider its decision to grant
    Birth Father’s motion to intervene and objecting to his motion for
    paternity testing. A few days later, Birth Father filed a Paternity
    Affidavit. Subsequently, Birth Mother filed an affidavit with the court
    stating that Birth Father was the biological parent and a member of the
    Cheyenne River Sioux Tribe. Birth Father then filed an Answer,
    Objection, and Verified Counterpetition to the Verified Petition for
    Adoption, objecting to the petition for adoption. He also filed a Notice
    of Commencement of Paternity Proceeding with the Utah Department
    of Health Office of Vital Records and Statistics. On January 27, 2015, the
    Cheyenne River Sioux Tribe filed a motion to intervene in the
    proceedings.
    ¶ 11 The district court held a hearing on the pending motions (not
    including the tribe’s motion to intervene) on February 24, 2015. On the
    day of the hearing, the Bureau of Indian Affairs (BIA) released new
    ICWA guidelines. Birth Father filed the guidelines with the district
    court that very day, requesting that the court review them and drawing
    the court’s attention to the guidelines regarding notice requirements,
    placement preferences, consent requirements, and the relationship
    between ICWA and state law. The prospective adoptive parents filed a
    motion objecting to Birth Father’s submission of that supplemental
    memorandum. On March 12, 2015, Birth Mother filed a Verified
    Withdrawal of Consent to Adoption and Motion for Return of Custody
    with the court. On March 26, 2015, the court made a minute entry,
    granting Birth Father’s motion for review based on the new ICWA
    guidelines and denying the prospective adoptive parents’ motion to
    strike those guidelines.
    ¶ 12 The next day, the district court signed an order denying the
    Cheyenne River Sioux Tribe’s motion to intervene on the bases (1) “that
    an Indian tribe . . . cannot appear in court without the assistance of a
    licensed attorney” and (2) “that, under ICWA, a tribe has a right to
    intervene only in involuntary proceedings, and not in voluntary
    proceedings like this one.” On April 21, 2015, the court issued another
    order, denying Birth Father’s motion to intervene on the basis that he
    was “not a ‘parent’ under either ICWA or . . . Utah’s adoption statutes.”
    Because Birth Father was not permitted to intervene, his motion for
    paternity testing was mooted. The April 21, 2015 order also denied
    Birth Mother’s motion to withdraw her consent to the termination of
    her parental rights on the basis “that once a birth mother’s parental
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    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    rights have been terminated by order of a court, that birth mother no
    longer has the right under ICWA to withdraw her consent, even if an
    adoption decree has not yet been entered.”
    ¶ 13 Birth Father filed a motion for a new trial, and on May 20,
    2015, he filed a notice of appeal. The district court denied the motion
    for a new trial on June 4, 2015. The appeal was then certified for
    immediate transfer to us. Neither the tribe nor Birth Mother appealed
    the denial of their motions. Birth Father also filed a Motion for Stay
    Pending Appeal, which the court granted, and pursuant to which “[t]he
    finalization of [the Child’s] adoption will wait until the conclusion of
    the appeal.” After the stay, Birth Father’s parents filed a motion to
    intervene and a counter-petition for adoption based on ICWA’s
    placement preferences, but their motion was also denied, and they did
    not appeal the denial. Thus, only Birth Father’s claims are before us on
    appeal.
    ¶ 14 After oral argument, we asked for supplemental briefing on
    three issues: (1) whether Birth Mother’s consent complied with ICWA’s
    timing requirement, and if not, what effect that had on the validity of
    her consent; (2) if Birth Mother’s consent was invalid, whether that
    would affect the district court’s jurisdiction to enter or finalize an
    adoption decree; and (3) what, if any, other effect an invalid consent
    would have on the proceedings below.
    ¶ 15 We have jurisdiction pursuant to Utah Code section 78A-3-
    102(3)(b).
    STANDARDS OF REVIEW
    ¶ 16 Whether Birth Mother’s consent was valid under ICWA is a
    question of statutory interpretation, which we review “for correctness,
    affording no deference to the district court’s legal conclusions.” State v.
    Gallegos, 
    2007 UT 81
    , ¶ 8, 
    171 P.3d 426
    . And whether a district court has
    subject matter jurisdiction over a proceeding is a matter of law, which
    we review for correctness. Canfield v. Layton City, 
    2005 UT 60
    , ¶ 10, 
    122 P.3d 622
    .
    ¶ 17 Whether Birth Father has acknowledged or established
    paternity under ICWA is a question of statutory interpretation, which
    we also review for correctness. Gallegos, 
    2007 UT 81
    , ¶ 8. “As a general
    matter, the factual findings underpinning [a ruling on a motion to
    intervene] are subject to a clearly erroneous standard, and the district
    court’s interpretation of rule 24(a) is reviewed for correctness.” Gardiner
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                    Himonas, J., Opinion of the Court in part
    v. Taufer, 
    2014 UT 56
    , ¶ 16, 
    342 P.3d 269
    (internal quotation marks
    omitted). “[W]hether a particular statute affords a particular class of
    persons an unconditional intervention right . . . is a pure question of
    law because it involves abstract statutory construction.” In re United
    Effort Plan Tr., 
    2013 UT 5
    , ¶ 21, 
    296 P.3d 742
    . Thus, “[a] district court
    would not be entitled to any deference to the extent it misinterpreted an
    intervention statute in the abstract.” 
    Id. ANALYSIS ¶
    18 The first question I address is whether Birth Mother’s lack of
    valid consent, and the resultant invalid order terminating all parental
    rights, deprived the district court of subject matter jurisdiction to move
    forward with the adoption. Based on controlling Utah law and in
    keeping with the overwhelming majority of the courts of this country, I
    answer that question in the affirmative. Because the jurisdictional issue
    is properly before us only if Birth Father could have raised it on appeal,
    I then turn to a determination of whether Birth Father had the ability to
    challenge the validity of Birth Mother’s consent and to put the
    jurisdictional issue before us. I conclude that Birth Father was
    empowered to do so under our traditional approach to standing and
    25 U.S.C. section 1914. Finally, a majority of the court concludes that
    apart from the foregoing, Birth Father is a parent under ICWA and
    eligible to intervene in this matter and that to hold otherwise would
    subvert ICWA’s core policies.
    I. BIRTH MOTHER’S INVALID CONSENT DEPRIVED THE
    DISTRICT COURT OF SUBJECT MATTER JURISDICTION
    ¶ 19 Although neither party originally raised the issue, we have an
    independent obligation to address the existence of subject matter
    jurisdiction. See Nevares v. Adoptive Couple, 
    2016 UT 39
    , ¶ 23, 
    384 P.3d 213
    (“[S]ubject matter jurisdiction is an issue that can and should be
    addressed sua sponte when jurisdiction is questionable.” (alteration in
    original) (citation omitted)); People ex rel. J.G.C., 
    318 P.3d 576
    , 578 (Colo.
    App. 2013) (after requesting supplemental briefing on “the district
    court’s jurisdiction to determine the nonpaternity of [the] presumptive
    father,” concluding that “the district court lacked subject matter
    jurisdiction to make a paternity determination”); see also In re Adoption
    of L.D.S., 
    155 P.3d 1
    , 8 (Okla. 2006), as supplemented on reh’g, No. 250
    (Mar. 6, 2007). I would hold that invalid consent in adoption
    proceedings is a subject matter jurisdictional issue.
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    A. Valid Consent Is a Jurisdictional Prerequisite to an Adoption
    ¶ 20 Without valid parental consent to an adoption, there is no
    justiciable matter and therefore nothing for the district court to exercise
    jurisdiction over.6 This is because the subject of an adoption proceeding
    is a child and a court cannot proceed with the adoption unless the child
    has been validly placed within its purview. And absent consent, that
    placement has not happened, leaving a court without authorization to
    interfere with the fundamental right that is the parent-child
    relationship. In re Adoption of Strauser, 
    196 P.2d 862
    , 867 (Wyo. 1948)
    (“The first duty of the judge is to see that the necessary consents are
    given. If they are not, the proceeding is at an end. There is nothing for
    the judge to approve.”); cf. Atwood v. Cox, 
    55 P.2d 377
    , 381 (Utah 1936)
    (“Jurisdiction is the power to decide a justiciable controversy . . . .”
    (citation omitted)).
    ¶ 21 The principle that invalid consent deprives the district court
    of subject matter jurisdiction in adoption proceedings has been a part of
    Utah law for more than six decades. In Deveraux’ Adoption v. Brown, two
    children were placed in foster care but their mother’s parental rights
    were never permanently terminated. 
    268 P.2d 995
    , 998 (Utah 1954).
    When the children were placed for adoption, the mother objected that
    her consent was never validly given. 
    Id. at 996.
    We held that it was
    unnecessary to even look at other issues in the adoption proceeding
    because “the court never obtained jurisdiction to exercise the power to
    grant the adoptions and therefore any questions pertaining to the
    welfare or custody of the children [were] not before it in such a
    proceeding.” 
    Id. at 998.
    We therefore remanded, instructing the district
    6 There are exceptions to the requirement of parental consent where,
    for example, abuse, neglect, or other “parental unfitness” is at issue. See
    Wells v. Children’s Aid Soc’y of Utah, 
    681 P.2d 199
    , 202–03 (Utah 1984),
    abrogated on other grounds by In re Adoption of J.S., 
    2014 UT 51
    , 
    358 P.3d 1009
    (“Constitutionally protected parental rights can be . . .
    [voluntarily] surrendered pursuant to statute. . . . Parental rights can
    also be terminated through parental unfitness or substantial neglect.”);
    In re J.P., 
    648 P.2d 1364
    , 1375 (Utah 1982) (“[A]ll unwed mothers are
    entitled to a showing of unfitness before being involuntarily deprived
    of their parental rights.”). Neither party argues that those exceptions
    apply in this case, so I focus only on the lack of consent.
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                    Himonas, J., Opinion of the Court in part
    court to set aside as void the orders granting the adoptions. 
    Id. In doing
    so, we did not consider consent, as the majority on this point urges, to
    be “just one of many statutory prerequisites to the issuance of a valid
    adoption decree.” Infra ¶ 124. Rather, we meant what we said: because
    of the mother’s lack of consent, the district court “never obtained
    jurisdiction.” Deveraux’ 
    Adoption, 268 P.2d at 998
    (emphasis added); see
    also In re Adoption of Walton, 
    259 P.2d 881
    , 883 (Utah 1953) (“So jealously
    guarded is the parent-child relation[ship] that uniformly it is held that
    the abandonment or desertion firmly must be established [as a
    statutory exception to obtaining parental consent] . . . before any
    question as to the best interests or welfare of the child can be the subject
    of inquiry.”).
    ¶ 22 The majority argues that Deveraux’ Adoption has been
    implicitly overruled by our cases that adopt a jurisdictional clear
    statement rule, according to which we construe a statute as
    jurisdictional only if it is “clearly denominated as such.” See infra ¶ 143.
    This is wrong. It is true that Labelle v. McKay Dee Hospital Center outlines
    a presumption “that our district courts retain their grant of
    constitutional jurisdiction in the absence of a clearly expressed
    statutory intention to limit jurisdiction.” 
    2004 UT 15
    , ¶ 8, 
    89 P.3d 113
    .
    But this presumption does not require the statutory provision to
    explicitly state that it is jurisdictional. Instead, a statute clearly
    expresses the “intention to limit jurisdiction” when the statute imposes
    a prerequisite to an action that is “of the essence of the thing to be
    done,” and not “given with a view merely to the proper, orderly and
    prompt conduct of . . . business, and by the failure to obey no prejudice
    will occur to those whose rights are protected by the statute.”
    ASC Utah, Inc. v. Wolf Mountain Resorts, L.C., 
    2010 UT 65
    , ¶¶ 14, 19,
    
    245 P.3d 184
    (alteration in original) (citation omitted).7 In contrast,
    7  We have also consistently regarded our appellate deadlines as
    jurisdictional, even though our rules of appellate procedure do not
    explicitly contain a jurisdictional statement. See, e.g., Union Pac. R.R. Co.
    v. Utah State Tax Comm’n, 
    2000 UT 40
    , ¶ 25, 
    999 P.2d 17
    (“UPRR’s
    petitions for judicial review in both this court and the district court
    were filed late, thus depriving both courts of jurisdiction.”); Johnson v.
    Office of Prof’l Conduct, 
    2017 UT 7
    , ¶ 10, 
    391 P.3d 208
    (holding that “we
    lack jurisdiction to hear the merits of [the] appeal” where appellant’s
    petition was outside of the Utah Rules of Appellate Procedure’s thirty-
    (cont.)
    11
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    statutory provisions are “merely directory in nature rather than
    mandatory and jurisdictional” when disregarding them does not
    “compromise the purpose” of the statute but is simply a failure to
    adhere to “one of numerous procedural hurdles.” Sill v. Hart, 
    2007 UT 45
    , ¶ 19, 
    162 P.3d 1099
    (internal quotation marks omitted).
    ¶ 23 The statutory requirement of consent is mandatory and
    jurisdictional because it goes to the soul of the adoption. See Brown v.
    Baby Girl Harper, 
    766 S.E.2d 375
    , 378 (S.C. 2014) (“Consent lies at the
    foundation of the adoption process[.]” (citation omitted)); In re Adoption
    of Keith M.W., 
    79 P.3d 623
    , 629 (Alaska 2003) (“Parental consent lies at
    the foundation of the adoption process.” (internal quotation marks
    omitted)); see also In re Adoption of 
    Walton, 259 P.2d at 883
    (noting that
    although it is not the law in Utah that adoption statutes “are to be
    construed strictly in favor of the parent,” courts “have not hesitated to
    build a strong fortress around the parent-child relation[ship], . . . .
    [which] has been considered a bundle of human rights of such
    fundamental importance as to lead courts frequently to say that consent
    is at the foundation of adoption statutes”). In fact, although some states
    have based their jurisdictional holdings on statutory filing
    requirements that differ from Utah’s, see infra ¶ 136 & n.21, none of
    those statutes contains a clear statement that the required filings relate
    to subject matter jurisdiction—but the courts still widely recognize
    consent as a jurisdictional requirement.
    day deadline). And these deadlines are properly characterized as
    subject matter jurisdictional. See, e.g., Flannigan v. Jordan, 
    871 So. 2d 767
    ,
    770 (Ala. 2003) (untimely appeal deprives court of “subject-matter
    jurisdiction to review the case”); Ark. State Univ. v. Prof’l Credit Mgmt.,
    Inc., 
    299 S.W.3d 535
    , 537 (Ark. 2009) (“The appeal from district court to
    circuit court was . . . untimely, and the circuit court was without
    jurisdiction to accept the appeal. We are likewise without jurisdiction to
    hear this appeal, and we therefore dismiss it for lack of subject-matter
    jurisdiction.”); Holley v. Davey, No. CV115015458S, 
    2012 WL 1510966
    , at
    *1 (Conn. Super. Ct. Apr. 4, 2012); In re Marriage of Welp, 
    596 N.W.2d 569
    , 571 (Iowa 1999); Gore v. Tenn. Dep’t of Corr., 
    132 S.W.3d 369
    , 378–79
    (Tenn. Ct. App. 2003); Turbeville v. Dailey, No. 03-11-00679-CV, 
    2011 WL 6351850
    , at *3 (Tex. App. Dec. 14, 2011).
    12
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                    Himonas, J., Opinion of the Court in part
    ¶ 24 In addition to the “clear statement” rule, Utah law also applies
    a “class of cases” rule, in which “the concept of subject matter
    jurisdiction [is limited] to those cases in which the court lacks authority
    to hear a class of cases, rather than when it simply lacks authority to
    grant relief in an individual case.” In re Adoption of Baby E.Z., 
    2011 UT 38
    , ¶ 31, 
    266 P.3d 702
    . The prospective adoptive parents argue that this
    limitation means that whether a court has subject matter jurisdiction
    over a case cannot turn on any case-specific procedural facts. Instead,
    they argue that it is a limited inquiry into whether the case, considered
    in the abstract, is fairly characterized as a general type of case over
    which the court has jurisdiction.
    ¶ 25 But the “class of cases” paradigm begs the question, as
    defining the class of cases over which courts have subject matter
    jurisdiction is not as simple as looking at the general topic. By this logic,
    courts, by way of example, would have jurisdiction over anything with
    the rough shape and form of a “tort case” or “landlord-tenant case.”
    The prospective adoptive parents’ approach creates an unworkable
    standard—it is often impossible to determine whether a case falls
    within a “class of cases” without considering some concrete aspects
    about it. There are often prerequisites individual litigants must meet to
    show that they have satisfied the requirements of subject matter
    jurisdiction even when we unquestionably have subject matter
    jurisdiction over the topic. Consider the tort and landlord-tenant case
    categories noted above. District courts have jurisdiction over negligence
    cases, a species of tort, but parties must still comply with the
    Governmental Immunity Act’s notice requirements, because
    “[c]ompliance with the Immunity Act is a prerequisite to vesting a
    district court with subject matter jurisdiction over claims against
    governmental entities.” Wheeler v. McPherson, 
    2002 UT 16
    , ¶ 9, 
    40 P.3d 632
    ; see also Buckner v. Kennard, 
    2004 UT 78
    , ¶ 35, 
    99 P.3d 842
    (“Compliance with the notice requirements, where applicable, is a
    prerequisite for subject matter jurisdiction.”). Similarly, although
    district courts certainly have jurisdiction over landlord-tenant cases in
    general, we have held that the court lacks subject matter jurisdiction
    where one party failed to exhaust its administrative remedies. Hous.
    Auth. of Salt Lake v. Snyder, 
    2002 UT 28
    , ¶ 11, 
    44 P.3d 724
    . This logic
    applies with equal force to other statutory claims. Ramsay v. Kane Cty.
    Human Res. Special Serv. Dist., 
    2014 UT 5
    , ¶ 17, 
    322 P.3d 1163
    (failure to
    13
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    exhaust administrative remedies deprived the court of subject matter
    jurisdiction over plaintiff’s Retirement Act claims).8
    ¶ 26 As the above cases demonstrate, an overly generalized take on
    the “category of cases” ignores the fact that courts cannot decide cases
    when they lack the authority necessary to do so, as is the case here.
    Furthermore, neither In re Adoption of Baby E.Z. nor its predecessor case,
    Johnson v. Johnson, 
    2010 UT 28
    , 
    234 P.3d 1100
    , purported to overrule
    Deveraux’ Adoption’s holding that a court lacks subject matter
    jurisdiction over an adoption where valid consent has not been
    obtained. The standard put forth by the prospective adoptive parents,
    however, would essentially have us overrule Deveraux’ Adoption—but
    they have not briefed this argument and, in any case, I see no reason to
    do so.
    ¶ 27 The rationale behind the jurisdictional necessity of parental
    consent in adoption proceedings is based not, as the majority asserts, in
    “the availability of a particular form of judicial relief,” infra ¶ 130, but
    in justiciability, because, in the eyes of the law, no child has been made
    available for adoption. Put another way, the lack of parental consent to
    an adoption makes the case unripe. See Mendive v. Third Judicial Dist.
    Court in & for Lander Cty., 
    253 P.2d 884
    , 890 (Nev. 1953) (stating that
    before district court accepts guardian’s consent, “it would definitely
    appear that the further jurisdiction of the . . . district court over the . . .
    adoption proceeding would be futile and unavailing; that its present
    provisional jurisdiction could never ripen into a jurisdiction to make a
    final order permitting the adoption, dependent as such order would be
    upon the consent of the guardian”); In re St. Vincent’s Servs., Inc.,
    
    841 N.Y.S.2d 834
    , 844 (Fam. Ct. 2007) (holding that “the issue of
    adoption ripens into a justiciable issue” only after parents’ rights have
    been validly terminated); In re Adoption of G.V., No. 11AP-617, 
    2011 WL 4921672
    , at *1 (Ohio Ct. App. Oct. 18, 2011) (stating that adoption
    8 The majority is correct that Governmental Immunity Act cases and
    administrative exhaustion cases involve ripeness, which “fits
    comfortably within the traditional notion of justiciability.” Infra ¶ 145. I
    agree that ripeness is an appropriate jurisdictional issue, and it applies
    directly to this case because until parental consent is obtained, the
    adoption case is unripe. See infra ¶ 27.
    14
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                    Himonas, J., Opinion of the Court in part
    petition had been dismissed as unripe where father’s consent was not
    obtained).
    ¶ 28 Furthermore, by stating that there is no child available for
    adoption, I do not mean, as the majority suggests, that the Child is not
    “a real child with a real interest in these proceedings.” Infra ¶ 152. The
    delicate and difficult nature of undoing error in an adoption
    proceeding is not lost on anyone. But the existence of a real child before
    the court does not mean the adoption case is ripe any more than the
    existence of a real tort before the court necessarily means that a case
    under the Governmental Immunity Act is ripe. Both require a
    prerequisite before the court is authorized to hear the case. In the
    adoption context, that prerequisite is parental consent, a traditional
    limit on justiciability. See infra ¶ 30 n.10. In short, district courts have no
    authority to place a child for adoption without the consent of the
    biological parents, and the prospective adoptive parents’ reliance on
    the district court’s error does not change the state of our law.
    ¶ 29 In the majority’s view, this application of justiciability
    principles will lead to a number of outcomes that will chip away at our
    longstanding law of jurisdiction. The majority’s concerns have no basis.
    Consent as a jurisdictional prerequisite to adoption is well established
    in this country, and none of the evils the majority predicts have befallen
    the courts that have recognized as much. See infra ¶ 130 & n.14 (listing
    cases in which courts around the country have been successful in
    “rebuff[ing] attempts by litigants to recast merits arguments as issues of
    subject-matter jurisdiction”). To the contrary, courts have easily made
    distinctions between the jurisdictional implications of consent and
    general statutory requirements. See, e.g., In re Bullock, 
    146 S.W.3d 783
    ,
    788 (Tex. App. 2004) (holding that despite the fact that a valid
    termination order is a jurisdictional prerequisite, “not all statutory
    prerequisites to filing suit are jurisdictional”); In re Harshey, 
    318 N.E.2d 544
    , 548–49 (Ohio Ct. App. 1974) (holding that despite statutory
    language requiring both parental and agency consent for child’s
    adoption, lack of parental consent deprives a court of jurisdiction but
    lack of agency consent does not). Despite its language about “opening
    the door” and “sow[ing] the seeds,” infra ¶ 122, the majority points to
    no situation in which a party would be able to use my opinion to ask a
    court to improperly expand subject matter jurisdiction to any statutory
    requirement. The majority may fear that litigants will attempt to stretch
    precedent to win cases—as often happens, in any matter—but it has
    offered no explanation for why it thinks Utah courts, unlike all the
    15
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    other courts that have not been persuaded by those efforts, will be
    lured into inappropriately extending our subject matter jurisdiction
    law. The majority raises several hyperbolic “slippery slope”
    arguments—e.g., warning of “chaos and unpredictability for years to
    come,” infra ¶ 100, and that “[a]ny and all ‘case-specific procedural
    facts’ would be eligible for classification as subject-matter
    jurisdictional,” making the possibilities “endless” for courts to
    misinterpret our holding, infra ¶ 150. In doing so, rather than taking on
    the actual parameters of our opinion, the majority “tilts at a windmill of
    its own invention.” Lee v. Kemna, 
    534 U.S. 362
    , 385 n.15 (2002). In the
    majority’s view, the principles of ripeness and the case law of our court
    and the majority of other jurisdictions “rest[] on no settled legal
    principle,” dooming our lower courts to hopeless confusion. Infra ¶ 150
    n.28. But I have faith in our lower courts’ ability to apply justiciability
    principles and our precedent, thereby preventing a situation in which
    “whenever . . . a defect [in a statutory prerequisite] was found, the
    subject-matter jurisdiction of the adoption court would be in jeopardy.”
    Infra ¶ 149. Because I unambiguously limit my opinion to the
    jurisdictional implications of parental consent in adoption proceedings,
    I am confident that we can avoid a Pandora’s box of subject matter
    jurisdictional evils.9
    9  The majority also laments that recognizing the subject matter
    jurisdictional nature of consent in an adoption proceeding will mean
    that district courts will be forced to carefully review adoption
    proceedings to ensure that they are error-free. Infra ¶ 149. I cannot
    conceive of how this is a problem. We have encouraged, and continue
    to encourage, district courts to tread carefully “in this highly sensitive
    area of child adoption.” In re Adoption of W.A.T., 
    808 P.2d 1083
    , 1085
    (Utah 1991). This is particularly important in the ICWA context, where
    state courts’ being too quick to remove Indian children from their
    families “is precisely one of the evils at which the ICWA was aimed.” In
    re Adoption of Halloway, 
    732 P.2d 962
    , 969 (Utah 1986); see also 25 U.S.C.
    § 1901(4)–(5) (“Congress finds . . . that an alarmingly high percentage of
    Indian families are broken up by the removal, often unwarranted, of
    their children from them by nontribal public and private agencies and
    that an alarmingly high percentage of such children are placed in non-
    Indian foster and adoptive homes and institutions; and . . . that the
    States, exercising their recognized jurisdiction over Indian child
    (cont.)
    16
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                    Himonas, J., Opinion of the Court in part
    ¶ 30 And as noted above, our holding in Deveraux’ Adoption that
    invalid consent deprives the district court of subject matter jurisdiction
    is consistent with the great majority of states’ views on the issue; the
    majority’s assertion that consent is “a mere legal prerequisite to the
    issuance of an [adoption] order,” infra ¶ 121, flies in the face of holding
    after holding.10
    custody proceedings through administrative and judicial bodies, have
    often failed to recognize the essential tribal relations of Indian people
    and the cultural and social standards prevailing in Indian communities
    and families.”).
    10  See, e.g., L.T. v. W.L., 
    159 So. 3d 1289
    , 1291 (Ala. Civ. App. 2014)
    (“When a required valid consent is not obtained, the probate court
    lacks jurisdiction to enter an adoption judgment.”); Westerlund v. Croaff,
    
    198 P.2d 842
    , 845 (Ariz. 1948) (“[C]onsent in writing of the living
    natural parents, or its statutory equivalent, is a jurisdictional
    prerequisite to a valid adoption.”); Arnold v. Howell, 
    219 P.2d 854
    , 858
    (Cal. Dist. Ct. App. 1950) (“Consent lies at the foundation of statutes of
    adoption . . . . With certain statutory exceptions, consent to an adoption
    is considered a jurisdictional prerequisite.” (citation omitted)); In re
    I.H.H-L., 
    251 P.3d 651
    , 657 (Kan. Ct. App. 2011) (“[Where] there is no
    consent from any statutorily authorized person . . . . the district court
    did not have jurisdiction over the petition for adoption and should
    have dismissed the case.” (citation omitted)); G.M.D. v. M.D., 
    610 S.W.2d 305
    , 307 (Mo. Ct. App. 1980) (“[I]n the absence of consent the
    court lacks jurisdiction to proceed.”); In re Jackson, 
    28 P.2d 125
    , 129
    (Nev. 1934) (Because “consent lies at the foundation of adoption
    statutes . . . . [t]he order of adoption in this case was void because [it
    was] made without the consent of [the father].”); In re Ralph, 
    710 N.Y.S.2d 500
    , 503 (App. Div. 2000) (“The court lacks jurisdiction to act
    upon incomplete adoption applications[.]”); In re Holder, 
    10 S.E.2d 620
    ,
    622 (N.C. 1940) (“[N]either parent . . . gave consent to the adoption in
    the manner contemplated by the statute . . . . This . . . is held to be
    essential to jurisdiction of the subject matter.” (citation omitted));
    McGinty v. Jewish Children’s Bureau, 
    545 N.E.2d 1272
    , 1274 (Ohio 1989)
    (per curiam) (“[P]arental consent to an adoption order is the
    jurisdictional prerequisite which, if absent, allows the order to be
    attacked as void . . . .”); Adoption of Robin, 
    571 P.2d 850
    , 856 (Okla. 1977)
    (“It is fundamental that notice and parental consent are jurisdictional
    (cont.)
    17
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    ¶ 31 For example, in a case with similar facts to this one, a mother
    lied to an adoption agency about the identity of the father of the two
    children she wanted to place for adoption and the county court thus
    never obtained consent from the biological father. In re Adoption of
    Kassandra B., 
    540 N.W.2d 554
    , 556 (Neb. 1995). The Nebraska Supreme
    Court, noting that “[c]hildren are not legally free for adoption unless
    both biological parents consent or one of the statutory exceptions to the
    need for their consent has been met,” held that the lower court lacked
    subject matter jurisdiction because the father’s consent was never
    obtained. 
    Id. at 560.
    The order terminating parental rights was therefore
    void. 
    Id. ¶ 32
    And where a technical defect arose involving the witnesses to
    the birth mother’s signing of a consent form for adoption, the South
    Carolina Supreme Court rejected the notion that substantial compliance
    with the statutory requirements was sufficient. 
    Brown, 766 S.E.2d at 379
    .
    The court noted that “statutory formalities [regarding consent or
    relinquishment forms] have heightened relevance and importance”
    because they “are the only clear line separating a biological parent’s
    rights with respect to the child prior to the adoption, from the finality
    and irrevocability resulting from the execution of the formalities.” 
    Id. at 380.
    And because “[c]onsent lies at the foundation of the adoption
    process,” the lack of valid consent from the birth mother meant any
    adoption decree would be invalid. 
    Id. at 378
    (citation omitted).11
    prerequisites to the adoption of a legitimate child. . . . [and] [a]n
    adoption granted without parental consent is void . . . .” (citations
    omitted)); Hughes v. Aetna Cas. & Sur. Co., 
    383 P.2d 55
    , 60 (Or. 1963)
    (“Consent to an adoption by parents or guardian or other person in loco
    parentis is jurisdictional, except where the statute does not require it.”);
    In re Adoption of List, 
    211 A.2d 870
    , 873 (Pa. 1965) (“[N]otice to a natural
    parent of the adoption proceedings and the consent of a natural parent,
    where necessary, are jurisdictional prerequisites in an adoption
    proceeding . . . .”); In re JWT, 
    104 P.3d 93
    , 94 (Wyo. 2005) (“But here, the
    appropriate documentation never having been filed, the district court
    did not obtain jurisdiction to hear the adoption.”).
    11 A handful of cases have suggested that the rule is different. For
    example, the Nevada Supreme Court held in a conclusory footnote that
    lack of consent made adoption proceedings merely voidable under 25
    (cont.)
    18
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                    Himonas, J., Opinion of the Court in part
    ¶ 33 The majority attacks these cases on several grounds, none of
    which is persuasive. First, the majority argues that because these cases
    involve challenges to the validity of consent made by the birth parent,
    “they tell us nothing useful about . . . whether a failure of consent is a
    U.S.C. section 1914, based entirely on the fear that “a challenge made
    years after the adoption was finalized and untimely under state law
    might result in a holding that was detrimental to the best interests of
    the Native American child that the ICWA was designed to protect.” In
    re Petition of Phillip A.C., 
    149 P.3d 51
    , 60 n.44 (Nev. 2006). Similarly, the
    Alaska Supreme Court held that federal law did not force the
    conclusion that “invalid consents under § 1913 are void as a matter of
    law,” reasoning that otherwise decrees stemming from invalid consents
    would not be subject to state statutes of limitations. In re Adoption of
    T.N.F., 
    781 P.2d 973
    , 979 (Alaska 1989).
    But we need not reach the issue of how this court would decide a
    case where the adoption had already been finalized. Utah law provides
    a limitation on the time period in which to contest an adoption. UTAH
    CODE § 78B-6-133(7)(b) (“No person may contest an adoption after one
    year from the day on which the final decree of adoption is entered.”).
    Because the court has not entered a final adoption decree, we do not
    need to decide whether this statute would bar a parent from contesting
    an adoption more than one year after the final adoption decree where
    the underlying proceeding was void for want of jurisdiction. Cf. In re
    Estate of Willey, 
    2016 UT 53
    , ¶ 16, 
    391 P.3d 171
    (declining to reach issue
    of “whether all claims that judgments are void under rule 60(b)(4) [of
    the Utah Rules of Civil Procedure] are subject to the reasonable time
    limit imposed by rule 60(c)” because “the parties do not adequately
    brief this issue, because other jurisdictions are split on this issue, and
    because resolution of this issue is not necessary to the disposition of
    this case”). However, I note that other courts have, under certain
    circumstances, applied similar statutes in such a manner. See Hogue v.
    Olympic Bank, 
    708 P.2d 605
    , 608, 611 (Or. Ct. App. 1985) (en banc)
    (holding that one-year statute of limitations barred challenge to void
    adoption judgment where mother knew of adoption within statutory
    time period but did not act). But see 
    Hughes, 383 P.2d at 66
    (holding that
    statute did not bar challenge to void adoption judgment where
    applying statute of limitations would interfere with vested property
    rights).
    19
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    subject-matter jurisdictional defect that can be raised by the court sua
    sponte.” Infra ¶ 134. Of course, there are cases in which the court has
    raised the issue sua sponte. See, e.g., In re I.H.H-L., 
    251 P.3d 651
    , 653
    (Kan. Ct. App. 2011) (“Neither party questioned the district court’s
    jurisdiction to conduct the [termination of parental rights] proceedings
    that led to this appeal. On its own motion, however, this court
    questioned that jurisdiction and sought additional briefing from the
    parties addressing the jurisdictional questions. An appellate court has a
    duty to question jurisdiction on its own initiative.”); In re Adoption of
    
    L.D.S., 155 P.3d at 8
    (“The jurisdictional issue [of whether the child was
    eligible for adoption without the valid consent of the biological parents]
    was raised sua sponte by this Court.”). And in any case, no court has
    relied on the dissent’s distinction, as parties are also free to raise subject
    matter jurisdiction concerns. See Johnson, 
    2010 UT 28
    , ¶ 10 (stating that
    “parties can raise subject matter jurisdiction at any time during a
    proceeding”). We are obligated to raise subject matter jurisdictional
    issues when they appear in a case before us, and there is no authority
    for the assertion that we may not do so if the facts of other cases did not
    require other courts to do the same.
    ¶ 34 The majority also points out that some adoption cases have
    personal jurisdiction defects due to lack of notice to the biological
    father. See infra ¶ 135 & n.18. But the fact that lack of notice often is
    intertwined with lack of consent does not mean that the issue is one
    solely of personal jurisdiction. A court may lack both personal
    jurisdiction and subject matter jurisdiction, and the dissent’s attempt to
    distinguish cases in which a lack of consent stemmed from failure to
    give notice is unavailing.
    ¶ 35 Additionally, the majority harbors “suspicion” of the cases we
    cite for the proposition that consent is a jurisdictional prerequisite
    because it thinks that many of them are from a “bygone era”—a time
    before courts focused on the best interests of the child. Infra ¶¶ 138–39.
    But courts across the country have continually and recently restated
    this proposition. Requiring parents to validly consent to termination of
    their parental rights before the court may assert jurisdiction over their
    children is not at all inconsistent with the current recognition in Utah
    and many other states that “the best interests of the child are
    paramount.” Infra ¶ 139. Indeed, numerous courts with statutory
    20
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                    Himonas, J., Opinion of the Court in part
    schemes that, like ours,12 recognize the importance of the best interests
    of the child hold that consent is a jurisdictional requirement for
    adoption. See C.T. v. J.S., 
    951 P.2d 1199
    , 1200 (Alaska 1998) (“The only
    question is whether the trial court permissibly circumvented the
    consent requirement . . . . If not, then the adoption decree is void for
    lack of subject matter jurisdiction[.]”);13 
    Brown, 766 S.E.2d at 378
    (“Consent lies at the foundation of the adoption process[.]” (citation
    omitted));14 In re Adoption of 
    L.D.S., 155 P.3d at 8
    (“[T]he best interests of
    the child can be served in no legitimate manner except in obedience to
    the policies and procedures mandated by law.”).15 In any case, the best
    interests of a child are not furthered by placing the child for adoption
    without parental consent. See In re S.L.G., 
    110 A.3d 1275
    , 1285 (D.C.
    2015) (“Although ‘the paramount consideration’ in determining
    whether to terminate parental rights is the best interest of the child, our
    case law recognizes that the [termination of parental rights] factors
    must be applied in accordance with ‘the presumption that the child’s
    best interest will be served by placing the child with his natural parent,
    provided the parent has not been proven unfit.’” (citation omitted)); In
    re Adoption of N.L.B., 
    212 S.W.3d 123
    , 128 (Mo. 2007) (en banc) (stating
    that statutorily required consideration of “the welfare of the person
    sought to be adopted . . . is informed by the fundamental proposition
    and presumption that maintaining the natural parent-child relationship
    is in the best interests of the child”); In re Adoption of 
    L.D.S., 155 P.3d at 9
    (“The lesson of this matter is that the interests of the child and
    ultimately all concerned in matters regarding parental rights can be
    12 UTAH CODE § 78B-6-102(1) (“It is the intent and desire of the
    Legislature that in every adoption the best interest of the child should
    govern and be of foremost concern in the court’s determination.”).
    13ALASKA STAT. § 25.23.005 (The adoption “chapter shall be liberally
    construed to the end that the best interests of adopted children are
    promoted.”).
    14 S.C. CODE § 63-9-20 (“[W]hen the interests of a child and an adult
    are in conflict, the conflict must be resolved in favor of the child.”).
    15 OKLA. STAT. tit. 10, § 7501-1.2(A)(1) (stating that one purpose of
    the Oklahoma Adoption Code is to “[e]nsure and promote the best
    interests of the child in adoptions”).
    21
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    adequately served only through scrupulous adherence to the statutory
    scheme found in the Adoption Code.”).
    ¶ 36 Having explained why valid consent is a subject matter
    jurisdictional prerequisite for an adoption proceeding, I now turn to
    whether Birth Mother consented to the termination of her parental
    rights. I would hold that her consent was not timely under ICWA and
    therefore invalid.
    B. Birth Mother’s Consent Was Invalid
    ¶ 37 ICWA lays out a series of requirements for the termination of
    parental rights, including that “[a]ny consent given prior to, or within
    ten days after, birth of the Indian child shall not be valid.” 25 U.S.C.
    § 1913(a). Because the Child is an Indian child and therefore ICWA
    applies to these proceedings, the question is whether Birth Mother’s
    consent was timely given under this section.
    ¶ 38 That Birth Mother’s consent did not comply with ICWA’s
    timing requirements is undeniable, as both times she attempted to
    consent were “within ten days after[] birth of the Indian child.” 
    Id. The Child
    was born at 12:14 p.m. on August 29, 2014, and Birth Mother
    attempted to consent for the first time on August 30, 2014. Both parties
    agree that this consent was invalid. Birth Mother again attempted to
    consent at 1:29 p.m. on September 8, 2014, and the prospective adoptive
    parents argue that this attempt was valid—even though it did not occur
    more than ten days after the Child’s birth—because it occurred more
    than ten twenty-four-hour periods after the Child’s birth. This
    argument is flat wrong.
    ¶ 39 When interpreting a statute, “our primary goal is to evince the
    true intent and purpose” of the legislative body. Marion Energy, Inc. v.
    KFJ Ranch P’ship, 
    2011 UT 50
    , ¶ 14, 
    267 P.3d 863
    (citation omitted). The
    best evidence of legislative intent is “the plain and ordinary meaning of
    the statute’s terms.” Rent-A-Center W., Inc. v. Utah State Tax Comm’n,
    
    2016 UT 1
    , ¶ 13, 
    367 P.3d 989
    . We often look to dictionary definitions as
    a “starting point” to determine the plain and ordinary meaning. Nichols
    v. Jacobsen Constr. Co., 
    2016 UT 1
    9, ¶ 17, 
    374 P.3d 3
    (citation omitted);
    State v. Canton, 
    2013 UT 44
    , ¶ 13, 
    308 P.3d 517
    (“In determining the
    ordinary meaning of nontechnical terms of a statute, our ‘starting point’
    is the dictionary.” (citation omitted)).
    ¶ 40 The prospective adoptive parents purport to apply a plain
    language analysis by looking to Black’s Law Dictionary, which, around
    22
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                    Himonas, J., Opinion of the Court in part
    the time ICWA was passed, defined “day” as “[a] period of time
    consisting of twenty-four hours and including the solar day and the
    night.” Day, BLACK’S LAW DICTIONARY (5th ed. 1979). Under the
    prospective adoptive parents’ approach, ICWA’s timing requirement
    would be satisfied if consent was given any time after 240 hours of the
    child’s birth.
    ¶ 41 But the prospective adoptive parents may not cherry-pick a
    dictionary definition and call it a plain language analysis. I note that
    most definitions refer to a twenty-four-hour period with respect to the
    time from midnight to midnight. E.g., Day, WEBSTER’S NEW COLLEGIATE
    DICTIONARY (1973) (“the mean solar day of 24 hours beginning at mean
    midnight”); Day, RANDOM HOUSE COLLEGE DICTIONARY (revised ed.
    1984) (“Also called civil day. a division of time equal to 24 hours but
    reckoned from one midnight to the next”); Day, AMERICAN HERITAGE
    DICTIONARY (5th ed. 2011) (“The 24-hour period during which the earth
    completes one rotation on its axis, traditionally measured from
    midnight to midnight.”). This definition is compatible with the notion
    that we do not begin counting the days since the Child’s birth based on
    the hour and minute he was born, but rather by the midnight-to-
    midnight metric generally used. See, e.g., Reisbeck v. HCA Health Servs. of
    Utah, Inc., 
    2000 UT 48
    , ¶ 16 n.4, 
    2 P.3d 447
    (noting that rule 22 of the
    Utah Rules of Appellate Procedure’s deadline of days was meant to be
    calculated according to calendar days); see also State v. Sheets,
    
    338 N.W.2d 886
    , 886–87 (Iowa 1983) (“The general rule is that when the
    word ‘day’ is used it means calendar day which includes the entire day
    from midnight to midnight . . . . We find no language in the [45-day
    statutory requirement] that indicates an intention to measure the time
    twenty-four hours from a given event.” (citations omitted)); In re
    Janklow, 
    589 N.W.2d 624
    , 626 (S.D. 1999) (“A ‘day,’ in this sense, begins
    at 12 o’clock midnight, and extends through 24 hours to the next
    12 o’clock midnight.” (citation omitted)); Troxell v. Rainier Pub. Sch. Dist.
    No. 307, 
    111 P.3d 1173
    , 1176–77 (Wash. 2005) (citing Webster’s Dictionary
    in holding that the plain language of a statute required defining day as
    a twenty-four-hour period beginning at midnight). The prospective
    adoptive parents’ formalism has no place in this area of the law, as their
    method of tracking time would require district courts to track unique
    filing deadlines for each individual litigant—3:24 p.m. for litigant A,
    5 p.m. for litigant B, and so on. See 
    Troxell, 111 P.3d at 1177
    n.4 (noting
    “absurd consequences” of “computation based on the precise timing of
    an act” including that “parties would have to attend to the precise
    23
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    hour, minute, and second of the filing” at issue (citation omitted)). I
    cannot see how Congress could have intended this result for counting
    time periods for purposes of ICWA.
    ¶ 42 This plain language interpretation of “day” as the time from
    midnight to midnight also meshes with the method for computing time
    outlined in the Federal Rules of Civil Procedure and its Utah
    counterpart, which also count in terms of days, not hours. FED. R. CIV.
    P. 6(a) (count in days “[w]hen the period is stated in days” and count in
    hours only “[w]hen the period is stated in hours”); UTAH R. CIV. P. 6(a)
    (same). This method of counting days applies in a variety of settings.
    FED. R. CIV. P. 6(a) (This rule applies “in computing any time period . . .
    in any statute that does not specify a method of computing time.”);
    UTAH R. CIV. P. 6(a) (same); see Gilroy v. Lowe, 
    626 P.2d 469
    , 471 (Utah
    1981) (stating that the “method of computing time periods relating to
    acts provided for by law is set out in Rule 6(a) [of the] Utah Rules of
    Civil Procedure” and requires counting by calendar days); see also
    LeGras v. AETNA Life Ins. Co., 
    786 F.3d 1233
    , 1237–38 (9th Cir. 2015)
    (“We have consistently applied Rule 6 [of the Federal Rules of Civil
    Procedure] when interpreting time periods in various statutory
    contexts.”); Edwards v. Bay State Milling Co., 519 F. App’x 746, 748 n.3
    (3d Cir. 2013) (noting that rule 6 of the Federal Rules of Civil Procedure
    “applies to any statute that does not specify a method of computing
    time” (internal quotation marks omitted)). Indeed, we have applied
    rule 6 of the Utah Rules of Civil Procedure to extend the waiting period
    for a putative father to file a paternity petition if the birth of the child
    falls on a holiday or weekend. Thurnwald v. A.E., 
    2007 UT 38
    , ¶ 4, 
    163 P.3d 623
    , abrogated on other grounds by In re Adoption of J.S., 
    2014 UT 51
    ,
    
    358 P.3d 1009
    .
    ¶ 43 The prospective adoptive parents’ interpretation contorts the
    plain language of ICWA—had Congress intended to count by hours, it
    would have done so, as many state legislatures have done. See UTAH
    CODE § 78B-6-125(1) (“A birth mother may not consent to the adoption
    of her child or relinquish control or custody of her child until at least
    24 hours after the birth of her child.”); see also IOWA CODE
    § 600A.4(2)(g), (4) (requiring a release of custody to be signed “not less
    than seventy-two hours after the birth of the child” and revocation of
    consent “within ninety-six hours of the time such parent signed a
    release of custody”); NEV. REV. STAT. § 127.070(1) (“All releases for and
    consents to adoption executed in this state by the mother before the
    birth of a child or within 72 hours after the birth of a child are
    24
    Cite as: 
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                   Himonas, J., Opinion of the Court in part
    invalid.”). But ICWA’s language is unambiguous in requiring a waiting
    period in terms of days, and the argument that the waiting period is
    really 240 hours is demonstrably wrong.
    ¶ 44 Because Birth Mother gave consent before midnight on the
    tenth day after the Child’s birth, she gave consent “within ten days
    after” the Child’s birth and her consent is therefore invalid.16 25 U.S.C.
    § 1913(a); see In re Adoption of C.D.K., 
    629 F. Supp. 2d 1258
    , 1261, 1263
    (D. Utah 2009) (invalidating a mother’s consent to termination of her
    parental rights because the relinquishment hearing happened within
    ten days of the child’s birth). This, in my view, deprived the district
    court of subject matter jurisdiction, and I now turn to whether Birth
    Father had the right to raise the issue of the underlying subject matter
    jurisdictional defect.
    II. BIRTH FATHER HAS THE LEGAL RIGHT TO CHALLENGE
    THE VALIDITY OF BIRTH MOTHER’S CONSENT AND THE
    DISTRICT COURT’S SUBJECT MATTER JURISDICTION
    ¶ 45 Following Birth Mother’s invalid consent, Birth Father
    appealed the district court’s denial of his motion to intervene. The
    district court denied Birth Father’s motion to intervene because it held
    that he had not established paternity before Birth Mother gave her
    consent, as required by Utah Code section 78B-6-121(3). Although I
    believe Birth Mother’s consent was invalid and the district court lacked
    subject matter jurisdiction to proceed with the adoption, these issues
    are before us only if Birth Father can properly challenge them. I would
    hold that Birth Father can do so, as he enjoys both traditional standing
    16 The majority takes the position that the action is merely voidable
    because the phrase “may petition” in section 1914 “suggests that unless
    a party affirmatively challenges a proceeding’s compliance with ICWA
    section 1913, the consent and resulting termination order are valid.”
    Infra ¶ 117. I reject this attempt to pit sections 1914 and 1913’s
    protections against each other. Section 1914 is a mechanism for bringing
    voidness to the attention of a court; it does not negate section 1913’s
    language about untimely consent “not be[ing] valid.” The majority’s
    contrary interpretation contravenes our principle of interpreting
    statutes “in harmony with other provisions in the same statute and
    with other statutes under the same and related chapters.” Sill v. Hart,
    
    2007 UT 45
    , ¶ 7, 
    162 P.3d 1099
    (citation omitted).
    25
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    under Utah standing law and a statutory right as a parent under 25
    U.S.C. section 1914 to raise Birth Mother’s invalid consent and the
    district court’s lack of subject matter jurisdiction to go forward with the
    adoption.
    A. Birth Father Has Standing Under Our Traditional Test
    ¶ 46 Before a court may make a child available for adoption, it
    must terminate the parental rights of the biological parents. The order
    terminating Birth Mother’s parental rights is, as Justice Lee correctly
    notes, an appealable order. Infra ¶ 98. But as a prerequisite to the
    adoption order—which has not been finalized in this case—it is an
    appealable order within an existing case in which Birth Father’s rights
    are still very much at issue.17 In the unique context of adoption
    17 The majority chides me for “cit[ing] no authority for the power to
    revisit a final order in a collateral termination proceeding not
    challenged by any of the parties at any stage of these proceedings.”
    Infra ¶ 104. But the order here was not actually collateral, as both the
    termination and consent orders all took place within the same adoption
    proceeding, which is among the rare cases in which a final, appealable
    order affects remaining rights in such a way that we do not view it as
    collateral. Cf. State v. Mooers & Becker, 
    2017 UT 36
    , ¶ 17, __ P.3d __
    (noting that “orders of complete restitution, though technically entered
    on the civil docket, flow entirely from the criminal cases that give rise
    to them; they are not separate civil cases with a life outside of the
    criminal case”); 
    id. ¶ 19
    n.4 (noting that where a district court alters the
    amount of complete restitution on appeal, that may form the basis for
    the district court on remand to also alter the amount of court-ordered
    restitution, even where the order of court-ordered restitution was not
    appealed). To call Birth Father’s action “collateral” similarly ignores the
    reality of how adoption orders are intertwined. And because Birth
    Father’s rights were directly affected by an order within the existing
    adoption case, his appeal properly falls within the time period of “the
    pendency of an action,” during which we have a responsibility to
    sua sponte raise subject matter jurisdictional issues. See infra ¶ 104.
    The majority also cites two cases in support of its assertion that state
    timelines bar Birth Father from challenging the order terminating
    Mother’s rights because “[w]here, as here, a district court expressly
    holds that its order complies with ICWA requirements, the courts have
    held that the time to challenge that determination under section 1914
    (cont.)
    26
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                    Himonas, J., Opinion of the Court in part
    proceedings, Birth Father’s rights are inextricably tied to the order
    terminating Birth Mother’s rights, as that order purported to terminate
    his rights as a biological parent.18 Consequently, I conclude that Birth
    Father has standing to raise the defect in Birth Mother’s consent and the
    resultant failure of subject matter jurisdiction.
    expires upon the running of the time for an appeal.” Infra ¶ 119. But our
    holding in the first case, In re Adoption of A.B., 
    2010 UT 55
    , 
    245 P.3d 711
    ,
    applies only to individuals who have the ability to file an appeal. See 
    id. ¶ 13.
    But in this case, Birth Father was not a party at the time of Birth
    Mother’s untimely consent and therefore had no ability to appeal the
    relevant order. And the second case involves a question of res judicata
    and the Full Faith and Credit Clause, neither of which is applicable
    here. See Kiowa Tribe of Okla. v. Lewis, 
    777 F.2d 587
    , 592 (10th Cir. 1985).
    18  The majority posits that Birth Father “accepted the validity of the
    consent order” until this court raised the issue, and concludes that he
    thus waived the issue. Infra ¶ 98 n.1. But whether Birth Father, the
    prospective adoptive parents, or the district court miscounted the days
    from the Child’s birth does not change the fact that the issue goes to
    subject matter jurisdiction and is properly raised by the court. In re
    Adoption of Baby E.Z., 
    2011 UT 38
    , ¶ 25, 
    266 P.3d 702
    (“Because subject
    matter jurisdiction goes to the heart of a court’s authority to hear a case,
    it is not subject to waiver and may be raised at any time, even if first
    raised on appeal.” (citation omitted)); Barnard v. Wassermann, 
    855 P.2d 243
    , 248 (Utah 1993) (“This court has made clear that challenges to
    subject matter jurisdiction may be raised at any time and cannot be
    waived by the parties.”). And I reject the majority’s assertion that
    applying our sua sponte duties to this case “smacks of paternalism.”
    Infra ¶ 120. That charge essentially boils down to an attack on ICWA’s
    special protections for Indian children, parents, and tribes. If anything,
    the majority’s suggestion that state courts should turn their back to
    these problems at the risk of being paternalistic smacks of the kind of
    disregard of Indian welfare that caused Congress to enact ICWA in the
    first place. See Miss. Band of Choctaw Indians v. Holyfield, 
    490 U.S. 30
    , 44–
    45 (1989) (“It is clear from the very text of the ICWA, not to mention its
    legislative history and the hearings that led to its enactment, that
    Congress was concerned with the rights of Indian families and Indian
    communities vis-à-vis state authorities.”).
    27
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    ¶ 47 Courts of this state employ a three-step inquiry in assessing
    traditional standing: (1) “the party must assert that it has been or will
    be adversely affected by the [challenged] actions”; (2) “the party must
    allege a causal relationship between the injury to the party, the
    [challenged] actions and the relief requested”; and (3) “the relief
    requested must be substantially likely to redress the injury claimed.”
    Utah Chapter of the Sierra Club v. Utah Air Quality Bd., 
    2006 UT 74
    , ¶ 19,
    
    148 P.3d 960
    (alterations in original) (internal quotation marks omitted).
    Birth Father easily satisfies all three parts of this test.
    ¶ 48 First, Birth Father is undeniably adversely affected by Birth
    Mother’s invalid consent and the dependent order terminating her
    rights. Indeed, absent the termination order, Birth Father would be a
    “parent” under ICWA and entitled to intervene in this action even
    under the most grudging of standards. But as it now stands, Birth
    Mother’s invalid consent cut off Birth Father’s rights to his own child.
    That this state of affairs adversely affected Birth Father is beyond
    peradventure. See In re J.P., 
    648 P.2d 1364
    , 1373 (Utah 1982) (“The rights
    inherent in family relationships—husband-wife, parent-child, and
    sibling—are the most obvious examples of rights retained by the
    people. They are ‘natural,’ ‘intrinsic,’ or ‘prior’ in the sense that our
    Constitutions presuppose them. . . . Blackstone deemed ‘the most
    universal relation in nature . . . (to be) that between parent and child.’”
    (citations omitted)). Second, Birth Father can establish a causal
    relationship between the challenged action and the adverse effect: Birth
    Mother’s invalid consent and the subsequent order terminating her
    rights led directly to the district court placing the Child for adoption.
    And finally, the relief requested—Birth Father’s opportunity to
    intervene and assert his parental rights—will be a direct consequence of
    recognizing the invalidity of Birth Mother’s rights.
    B. Birth Father Is a Parent Under ICWA
    ¶ 49 Section 1914 of ICWA allows a parent to petition a court to
    invalidate an action terminating parental rights that violated any
    provision of sections 1911, 1912, and 1913 of ICWA.19 We hold that
    19   Section 1914 reads in full:
    Any Indian child who is the subject of any action for
    foster care placement or termination of parental rights
    under State law, any parent or Indian custodian from
    (cont.)
    28
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                    Himonas, J., Opinion of the Court in part
    Birth Father meets ICWA’s definition of a “parent” because he has
    acknowledged paternity.
    ¶ 50 “Pursuant to general principles of statutory interpretation,
    [w]e . . . look first to the . . . plain language [of ICWA], recognizing that
    our primary goal is to give effect to [congressional] intent in light of the
    purpose the statute was meant to achieve.” In re Kunz, 
    2004 UT 71
    , ¶ 8,
    
    99 P.3d 793
    (first three alterations in original) (internal quotation marks
    omitted). We consider it obvious that the plain language does not fully
    answer the question of what is required for an unmarried biological
    father to be considered a parent for purposes of ICWA.20 ICWA defines
    “parent” as “any biological parent or parents of an Indian child” but
    specifically excludes “the unwed father where paternity has not been
    acknowledged or established.” 25 U.S.C. § 1903(9). ICWA does not,
    whose custody such child was removed, and the Indian
    child’s tribe may petition any court of competent
    jurisdiction to invalidate such action upon a showing that
    such action violated any provision of sections 1911, 1912,
    and 1913 of this title.
    25 U.S.C. § 1914. We address the language about removal from custody
    below. Infra ¶¶ 78–84.
    20 The dissent misinterprets this sentence, stating that we “find[] it
    ‘obvious that the plain language’ of ICWA does not dictate the
    application of state law standards of paternity.” Infra ¶ 178. The dissent
    goes further to claim that we “base[] that conclusion on [our] sense of
    Congress’s ‘purpose’ in enacting ICWA, and on analysis in Mississippi
    Band of Choctaw Indians v. Holyfield, 
    490 U.S. 30
    (1989), that [we] view[]
    as supportive of [our] holding.” Infra ¶ 178. However, our conclusion
    that the plain language does not fully answer the question of what is
    required for an unmarried biological father to be considered a parent
    under ICWA is not so narrowly moored. Our conclusion is further
    supported by the language of, among other provisions, 25 U.S.C.
    section 1903(9), where “parent” is defined, providing that an unmarried
    biological father is a parent only if he has “acknowledged or
    established” paternity, but with no indication of what actions are
    required to acknowledge or establish paternity and no specification
    regarding timing.
    29
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    however, define what actions the unmarried father has to take to
    acknowledge or establish paternity and also does not specify the
    timing. Because of the lack of a definition, we look instead to the plain
    meaning of the terms “acknowledge” and “establish.” We conclude that
    the plain meaning of the terms is so broad that it offers little guidance,
    so we then address the question of whether the procedures and timing
    for acknowledging or establishing paternity are defined by state law or
    are subject to a tribal or federal standard.
    ¶ 51 The district court determined that “Congress intended for
    ICWA to defer to state and/or tribal law standards for establishing
    paternity” and that Birth Father failed to comply with Utah or South
    Dakota requirements for establishing paternity. We disagree. Instead,
    we hold that Congress intended that a federal standard apply. We also
    hold that Birth Father’s actions were timely and sufficient to
    acknowledge paternity under ICWA.
    1. Interpreting “Acknowledge” and “Establish” Requires a Plain
    Meaning Approach
    ¶ 52 Because the terms “acknowledge” and “establish” are not
    defined in the statute, we turn first to dictionary definitions for
    guidance. The first definition for “acknowledge” in Black’s Law
    Dictionary is “[t]o recognize (something) as being factual or valid.”
    Acknowledge, BLACK’S LAW DICTIONARY (10th ed. 2014). The second
    definition for “acknowledge” specifically gives “acknowledge paternity
    of the child” as an example; it reads, “[t]o show that one accepts
    responsibility for.” 
    Id. The legal
    definition of “acknowledge” in
    Merriam-Webster’s online dictionary includes a variant with a similar
    example (“will acknowledge the child as his”) and defines
    “acknowledge” as “to admit paternity of.” Acknowledge, MERRIAM-
    WEBSTER, available at https://perma.cc/HMQ9-MHP8. Other
    definitions of “acknowledge” in Merriam-Webster’s online dictionary
    include “to recognize as genuine or valid.” 
    Id. Clearly, “acknowledge”
    is a broad term and little guidance is found in its meaning as to how to
    apply it. For example, while acknowledging paternity of a child can
    mean “show[ing] that one accepts responsibility for” the child, no
    specific actions are suggested by that term or its definition.
    Acknowledge, BLACK’S LAW DICTIONARY (10th ed. 2014). Incidentally,
    Black’s Law Dictionary defines a “formal acknowledgment” as “[a]
    father’s recognition of a child as his own by a formal, written
    declaration that meets a state’s requirements for execution, typically by
    30
    Cite as: 
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                    Himonas, J., Opinion of the Court in part
    signing in the presence of two witnesses.” Acknowledgement, BLACK’S
    LAW DICTIONARY (10th ed. 2014). An “informal acknowledgment,” on
    the other hand, is “[a] father’s recognition of a child as his own not by a
    written declaration but by receiving the child into his family or
    supporting the child and otherwise treating the child as his own
    offspring.” 
    Id. The dictionary
    definitions thus provide for
    acknowledgment under both state rules and other means not tied to
    state standards, and ICWA does not specify whether it requires formal
    or informal acknowledgment of paternity. Thus, the dictionary
    definition alone of “acknowledge” does not answer the question of
    what ICWA requires of a parent.
    ¶ 53 “Establish” likewise has a broad meaning under a plain
    language analysis. Black’s Law Dictionary has three definitions of
    “establish,” only one of which makes sense in the context of
    establishing paternity: “To prove; to convince.” Establish, BLACK’S LAW
    DICTIONARY (10th ed. 2014). And the most logical definition for this
    context in Merriam-Webster’s online dictionary is “to put beyond
    doubt.”        Establish,      MERRIAM-WEBSTER,         available      at
    https://perma.cc/9RB2-33WP. From these definitions, it is obvious
    that it requires more to “establish” paternity than to “acknowledge”
    paternity. But what actions are required in order to “prove” paternity
    or “put [paternity] beyond doubt” is not apparent from the plain
    meaning of the word. Furthermore, neither the plain meaning of
    “acknowledge” nor the plain meaning of “establish” suggests anything
    about the timing of the actions. Theoretically, if we were to rely on a
    plain meaning of the terms for the actions and timing required, a father
    could acknowledge or establish paternity many years after the
    completion of the adoption. Because the terms are so broad and vague
    and because of the lack of a timing element, dictionary definitions alone
    are inadequate for determining who is a parent under ICWA.
    ¶ 54 In light of this roadblock in the plain language analysis, the
    dissent argues that we should view “acknowledge” and “establish” as
    terms of art defined by the states. But the dissent belies its own
    conclusion by asserting, on one hand, that “acknowledge” and
    “establish” are well-defined terms of art, and on the other, that there
    are fifty variants of the terms. Infra ¶ 170. These are contradictory ideas,
    and the dissent’s attempt to reconcile them is unavailing.
    ¶ 55 The dissent’s position takes an erroneous view of the
    definition of a term of art. A term of art has one established meaning,
    not fifty. Term of art, BLACK’S LAW DICTIONARY (10th ed. 2014) (“A word
    31
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    or phrase having a specific, precise meaning in a given specialty, apart
    from its general meaning in ordinary contexts.” (emphasis added)); see
    McDermott Int’l, Inc. v. Wilander, 
    498 U.S. 337
    , 342 (1991) (“[W]e assume
    that when a statute uses such a term [of art], Congress intended it to
    have its established meaning.”); Dubois v. Madison Paper Co., 
    795 A.2d 696
    , 699 (Me. 2002) (“The phrase ‘clear and convincing evidence’ is a
    legal term of art with a well-established meaning.” (emphasis added)).
    The dissent’s insistence that “acknowledge” and “establish” have
    distinctly defined meanings contradicts the notion that the “long-
    established” definitions last only as far as the state line.
    ¶ 56 A term of art may of course have nuanced differences from
    state to state, but the core meaning must be the same.21 Contrary to the
    dissent’s assertion, different states’ interpretations of “acknowledge”
    and “establish” do not share a common core. As the dissent itself notes,
    “standards vary widely across the fifty states,” infra ¶ 170 n.35,
    including whether a writing must be signed by the mother for the
    father to acknowledge paternity. The standard for acknowledging or
    establishing paternity in Utah is so different from the standard in, for
    example, New Jersey, that we could not say they share the same
    common core. See Bruce L. v. W.E., 
    247 P.3d 966
    , 978–79 (Alaska 2011)
    (“Under New Jersey law, ‘fil[ing] a written acknowledgement of
    paternity . . . or initiat[ing] a lawsuit claiming paternity or any other
    parental rights prior to the final judgment of adoption’ would make an
    unwed father a parent for ICWA purposes.” (alterations in original)
    (quoting In re Adoption of a Child of Indian Heritage, 
    543 A.2d 925
    , 936
    (N.J. 1988))).
    ¶ 57 The contradiction inherent in the dissent’s argument is
    exposed in its analysis of Holyfield. The dissent states that Holyfield’s
    rejection of state-law definitions is “easily distinguishable, as it
    21  This underscores why acknowledgement or establishment of
    paternity is not, as the dissent contends, like a declaration of
    bankruptcy. Infra ¶ 191 n.49. Declaring bankruptcy—as a legal term of
    art—certainly has different effects than “just say[ing] the word
    bankruptcy.” Infra ¶ 191 n.49. But the dissent ignores that the steps one
    must take to declare bankruptcy and the legal effects it has are the same
    in all fifty states. But that is far from the case for acknowledging and
    establishing paternity.
    32
    Cite as: 
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                    Himonas, J., Opinion of the Court in part
    involved a statutory term (domicile) of ‘generally uncontroverted
    meaning.’” Infra ¶ 165 (quoting 
    Holyfield, 490 U.S. at 48
    ). This is similar
    to how—at times—the dissent describes “acknowledge” and
    “establish” as well. See infra ¶ 170 (“First, the words acknowledgement
    and establishment of paternity are long-established terms of art in state
    family law.”); infra ¶ 170 (“Congress utilized terms with accepted
    meaning in state family law.”); infra ¶ 170 n.35 (“[W]hen ICWA was
    enacted, ‘acknowledge’ was a term of art that indicated a specific
    process under state law—though varying from state to state.” (emphasis
    added)). The dissent is attempting to have its cake and eat it too by
    stating that “acknowledge” and “establish” are both accepted terms of
    art and have fifty different meanings.
    ¶ 58 Rather, “acknowledge” and “establish” are properly
    construed as plain language terms. Carpenter v. Hawley, 
    281 S.E.2d 783
    ,
    786 (N.C. Ct. App. 1981) (“Contrary to plaintiff’s assertions, the word
    ‘acknowledged’ is not a term of art . . . requiring a formal declaration
    before an authorized official.”); see also Estate of Griswold, 
    24 P.3d 1191
    ,
    1197–98 (Cal. 2001) (applying plain language analysis to
    “acknowledge” in paternity suit); Blythe v. Ayres, 
    31 P. 915
    , 922 (Cal.
    1892) (stating that “[t]he word ‘acknowledge’ has no technical
    meaning” in the context of paternity proceedings); State v. Wolfe, 
    239 A.2d 509
    , 512–13 (Conn. 1968) (stating that “acknowledge” in paternity
    statute “can only be taken in its usual and common meaning which is
    ‘(t)o own, avow, or admit; to confess; to recognize one’s acts, and
    assume the responsibility therefor’” (citing editions of Black’s Law
    Dictionary and Webster’s Dictionary)). A plain language interpretation of
    “acknowledge” and “establish” furthers ICWA’s purpose by allowing
    reasonable methods of acknowledging or establishing paternity, and
    Birth Father’s actions fall plainly within that scope.
    2. Federal Law Applies to Give Context to the Plain Meaning of the
    Terms
    ¶ 59 Having found that a plain language analysis of the terms
    requires more than the dictionary definitions provide, we now turn to
    the question of whether the procedures and timing for acknowledging
    or establishing paternity are defined by state law. We reject the notion
    that courts should rely on state law to determine whether an unmarried
    biological father has acknowledged or established paternity under
    ICWA. Instead, we adopt the reasoning in Mississippi Band of Choctaw
    Indians v. Holyfield, 
    490 U.S. 30
    (1989). In Holyfield, the Supreme Court
    stated that
    33
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    the purpose of the ICWA gives no reason to believe that
    Congress intended to rely on state law for the definition
    of a critical term; quite the contrary. It is clear from the
    very text of the ICWA, not to mention its legislative
    history and the hearings that led to its enactment, that
    Congress was concerned with the rights of Indian families
    and Indian communities vis-à-vis state authorities.
    
    Id. at 44–45.
    “Parent” is a critical term under ICWA. Whether an
    individual qualifies as a “parent” determines whether he or she may
    benefit from the heightened protections for parental rights available
    under ICWA. There is “no reason to believe that Congress intended to
    rely on state law for the definition of [this] critical term.” 
    Id. at 44.
    Indeed, we must begin “with the general assumption that in the
    absence of a plain indication to the contrary, . . . Congress when it
    enacts a statute is not making the application of the federal act
    dependent on state law.” 
    Id. at 43
    (alteration in original) (internal
    quotation marks omitted). And although “Congress sometimes intends
    that a statutory term be given content by the application of state law,”
    this applies only in the context of fleshing out the federal standard—it
    does not mean the federal standard is replaced with fifty state
    standards. 
    Id. ¶ 60
    Additionally, Holyfield notes that Congress can and does
    expressly state when it wants a state or tribal law definition to apply. 
    Id. at 47
    n.22 (“Where Congress . . . intend[s] that ICWA terms be defined
    by reference to other than federal law, it state[s] this explicitly.”). For
    example, Congress explicitly stated that “extended family member”
    and “Indian custodian” are defined by reference to tribal law or custom
    or state law. 25 U.S.C. § 1903(2), (6). This, the Holyfield Court stated, is
    evidence that if Congress “did intend that ICWA terms be defined by
    reference to other than federal law,” “it would have said 
    so.” 490 U.S. at 47
    n.22. And this is not merely “another way of saying that the
    legislature could have spoken more clearly.” Craig v. Provo City, 
    2016 UT 40
    , ¶ 38, 
    389 P.3d 423
    . Rather, the explicit use of state or tribal law
    for “extended family member” and “Indian custodian” but not for
    other terms such as “acknowledge” and “establish” indicates that
    Congress “rejected the formulation embodied in the neighboring
    provision”—i.e., that it declined to incorporate state or tribal standards
    for acknowledging and establishing paternity. 
    Id. ¶ 38
    n.9. Because
    Congress did not mandate a state or tribal law definition for
    34
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                    Himonas, J., Opinion of the Court in part
    “acknowledge” or “establish,” we can and should rely instead on a
    federal definition.
    ¶ 61 In determining how to define the procedures for
    acknowledging and establishing paternity, we have a duty to
    “harmonize [a statute’s] provisions in accordance with the legislative
    intent and purpose.” Osuala v. Aetna Life & Cas., 
    608 P.2d 242
    , 243 (Utah
    1980); see also Jensen v. Intermountain Health Care, Inc., 
    679 P.2d 903
    , 906–
    07 (Utah 1984) (stating that the meaning of a statute’s sections could not
    be determined without taking into account “the purposes they were
    designed to effectuate”); B.L. Key, Inc. v. Utah State Tax Comm’n, 
    934 P.2d 1164
    , 1168 n.2 (Utah Ct. App. 1997) (“[T]he overarching principle,
    applicable to all statutes, [is] that [statutes] should be construed and
    applied in accordance with the intent of the Legislature and the
    purpose sought to be accomplished.” (third alteration in original)
    (citation omitted)). At times, it may be necessary to delve into
    legislative history to determine what and how many purposes the
    legislature intended. Marion Energy, Inc. v. KFJ Ranch P’ship, 
    2011 UT 50
    ,
    ¶ 15, 
    267 P.3d 863
    (“[W]hen statutory language is ambiguous . . . we
    generally resort to other modes of statutory construction and ‘seek
    guidance from legislative history’ and other accepted sources.” (citation
    omitted)). But that is not the case here, where we have a clear directive
    in the statute itself that drives at a purpose:
    to protect the best interests of Indian children and to
    promote the stability and security of Indian tribes and
    families by the establishment of minimum Federal
    standards for the removal of Indian children from their
    families and the placement of such children in foster or
    adoptive homes which will reflect the unique values of
    Indian culture, and by providing for assistance to Indian
    tribes in the operation of child and family service
    programs.
    25 U.S.C. § 1902.
    ¶ 62 The dissent provides no support for its assertion that 25 U.S.C.
    section 1901(5) states that a “key countervailing purpose at stake under
    ICWA is the protection of the traditional jurisdiction of state courts
    over adoption proceedings.” Infra ¶ 159. And that is an odd statement
    given that, in context, section 1901(5) states that “the States, exercising
    their recognized jurisdiction over Indian child custody proceedings
    through administrative and judicial bodies, have often failed to
    35
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    recognize the essential tribal relations of Indian people and the cultural
    and social standards prevailing in Indian communities and families.”
    That is, ICWA represents an extraordinary act of federal intervention
    into family law precisely in response to Congress’s concern about state
    courts’ “alarming[]” tendency to disregard the interests of Indian
    parents and tribes. 25 U.S.C. § 1901(4). So, far from being “recognize[d]
    . . . to a large degree” as a “countervailing purpose,” infra ¶ 159, state
    courts’ wielding of their traditional jurisdiction is what led to the need
    for ICWA in the first place.
    ¶ 63 Notably, nothing in the “Congressional declaration of policy,”
    25 U.S.C. § 1902, supports the assertion that protection of states’
    traditional jurisdiction is part of ICWA’s purpose. And the fact that
    “ICWA does not oust the states of that traditional area of their
    authority,” infra ¶ 159, is not a reason to read in another purpose—it is
    simply how federalism works. See In re Adoption of Halloway, 
    732 P.2d 962
    , 967 (Utah 1986) (“Under general supremacy principles, state law
    cannot be permitted to operate as an obstacle to the accomplishment
    and execution of the full purposes and objectives of Congress.”
    (internal quotation marks omitted)).
    ¶ 64 The dissent also ignores Congress’s plenary powers in this
    arena by asserting that issues of paternity and other family matters
    have “never been a creature of federal law,” infra ¶ 163, and that the
    use of the past tense in section 1903(9) is significant because it means
    that Congress intended “acknowledged” and “established” to be
    defined by existing standards—by which it means state standards. Infra
    ¶ 171. This is not correct. First, acknowledgement or establishment of
    paternity under a federal standard is consistent with the use of the past
    tense because any action a putative father takes after the enactment of
    ICWA necessarily looks back to the standard ICWA had—in the past—
    established. Second, to the extent the dissent is attempting to guard
    against a perceived intrusion, it ignores the fact that this “intrusion” is
    taking place within the context of Indian welfare, an area in which
    Congress has plenary authority. U.S. CONST. art. I, § 8(3) (“The
    Congress shall have Power . . . To regulate Commerce . . . with the
    Indian Tribes.”); see Cotton Petroleum Corp. v. New Mexico, 
    490 U.S. 163
    ,
    192 (1989) (“[T]he central function of the Indian Commerce Clause is to
    provide Congress with plenary power to legislate in the field of Indian
    affairs.”); 
    Halloway, 732 P.2d at 967
    (“The Supreme Court has made it
    clear that where Indian affairs are concerned, a broad test of
    preemption is to be applied.”).
    36
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                    Himonas, J., Opinion of the Court in part
    ¶ 65 This authority encompasses family matters such as child-
    raising. Wakefield v. Little Light, 
    347 A.2d 228
    , 234 (Md. 1975) (“We think
    it plain that child-rearing is an essential tribal relation.” (internal
    quotation marks omitted)); see also 25 U.S.C. § 1901(2)–(3) (stating that
    Congress has “assumed the responsibility for the protection and
    preservation of Indian tribes and their resources” and that “there is no
    resource that is more vital to the continued existence and integrity of
    Indian tribes than their children”). Indeed, the very point of ICWA is to
    regulate family law issues. 25 U.S.C. § 1902 (stating that the statute’s
    policy is to protect Indian children and families and establish standards
    for placing those children in foster or adoptive homes). By arguing that
    the definition of paternity in the context of Indian affairs is a state issue,
    the dissent’s position largely ignores the federal government’s plenary
    powers over Indian affairs, not to mention the purpose and text of
    ICWA as a whole. We are loath to pour state law back into ICWA when
    ICWA’s whole reason for being is to drain what, in Congress’s view, is
    an inequitable swamp—displacing state law on the matters on which
    ICWA speaks.
    ¶ 66 The danger that ICWA “would be impaired if state law were
    to control” presents an additional, compelling reason “for the
    presumption against the application of state law.” 
    Holyfield, 490 U.S. at 44
    (citation omitted). And hewing closely to this presumption in the
    Indian affairs arena, in which Congress enjoys plenary power, strikes
    us as particularly appropriate where “the congressional findings that
    are a part of the statute demonstrate that Congress perceived the States
    and their courts as partly responsible for the problem it intended to
    correct.” 
    Id. at 45;
    see also 
    Halloway, 732 P.2d at 969
    (stating that Utah
    court’s receptivity to placing Indian children in non-Indian homes “is
    precisely one of the evils at which the ICWA was aimed”); 25 U.S.C.
    § 1901(4) (indicating “that an alarmingly high percentage of Indian
    families are broken up by the removal, often unwarranted, of their
    children from them by nontribal public and private agencies”); 
    id. § 1901(5)
    (expressing concern “that the States . . . have often failed to
    recognize the essential tribal relations of Indian people and the cultural
    and social standards prevailing in Indian communities and families”).
    The U.S. Supreme Court praised our “scholarly and sensitive” decision
    in Halloway for its sensitivity to the risk that state law could “be used to
    frustrate the federal legislative judgment expressed in the ICWA.”
    
    Holyfield, 490 U.S. at 52
    –53 (quoting 
    Halloway, 732 P.2d at 970
    ).
    37
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    ¶ 67 Furthermore, ICWA provides that “where State or Federal law
    applicable to a child custody proceeding under State or Federal law
    provides a higher standard of protection to the rights of the parent . . .
    of an Indian child than the rights provided under [ICWA], the State or
    Federal court shall apply the State or Federal standard,” thus ensuring
    that parents of Indian children enjoy the highest level of protection of
    their parental rights available. 25 U.S.C. § 1921. Applying state law to
    determine who is a parent under ICWA would, in some cases, provide
    a lower level of protection of parental rights than ICWA intends. Utah
    law serves as the perfect example of this problem. Whereas ICWA
    provides that an unmarried biological father may “acknowledge[] or
    establish[]” paternity, 
    id. § 1903(9)
    (emphasis added), Utah law
    provides no viable procedure for acknowledging paternity in cases
    where the mother wants to place the child for adoption at birth and
    does not consent to the acknowledgment. For a biological father to
    acknowledge paternity through a declaration of paternity, Utah law
    requires the birth mother’s signature in addition to the unmarried
    biological father’s signature. UTAH CODE § 78B-15-302(1)(c). Thus, in
    cases where the birth mother declines to sign the declaration, the
    unmarried biological father is precluded from acknowledging paternity
    under ICWA, if we look to Utah law for the definition of that term. See
    In re Adoption of R.M., 
    2013 UT App 27
    , ¶ 8, 
    296 P.3d 757
    (“If the birth
    mother declines to acknowledge the unmarried biological father’s
    paternity and refuses to sign the declaration of paternity, he will have
    to comply with the paternity provisions in order for his consent to be
    required.”). The result is that, when applying Utah law, the unmarried
    biological father’s option to acknowledge paternity is essentially read
    out of ICWA. The district court’s opinion illustrates this result, as it
    does not seriously analyze whether Birth Father acknowledged
    paternity under Utah law, instead focusing on whether he complied
    with the requirements for establishing paternity under Utah law.
    ¶ 68 Also, as the district court recognized, “Utah’s requirements
    for establishment of paternity by unwed fathers are notoriously strict.”
    See In re Adoption of Baby E.Z., 
    2011 UT 38
    , ¶ 40, 
    266 P.3d 702
    (“The Utah
    legislature has enacted strict requirements for unmarried birth fathers
    who seek to prevent adoption of their children.”).22 Applying state law
    22 This is not to say that Utah’s standards for acknowledging
    paternity are unreasonable. Rather, we point out the strict nature of
    (cont.)
    38
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                    Himonas, J., Opinion of the Court in part
    to a term as critical as the definition of a parent under ICWA is not in
    keeping with ICWA’s text and purpose. And applying Utah law
    specifically to eliminate the option of acknowledging paternity—and
    instead requiring an unmarried biological father of an Indian child to
    comply with some of the strictest requirements for establishing
    paternity in order to receive any protection of his parental rights under
    ICWA—“would, to a large extent, nullify the purpose the ICWA was
    intended to accomplish.” 
    Holyfield, 490 U.S. at 52
    .
    ¶ 69 We also conclude that “Congress could hardly have intended
    the lack of nationwide uniformity that would result from state-law
    definitions of” who is a parent under ICWA. 
    Id. at 45.23
    In Holyfield, the
    U.S. Supreme Court concluded that ICWA did not incorporate state-
    law definitions of domicile in large part to avoid the anomaly of
    different results depending on which state the mother traveled to in
    order to give birth. 
    Id. at 46.
    It would be similarly anomalous—not to
    mention unfair and an unwarranted intrusion by states into Indian
    customs and practices—to make an unmarried biological Indian
    father’s status as a parent under ICWA depend on whether the mother
    gave birth in one state or another. “[A] statute under which different
    rules apply from time to time to the same” unmarried biological father,
    “simply as a result of” the mother’s decision to give birth in “one State
    [or] another, cannot be what Congress had in mind.” 
    Id. Thus, we
    conclude that the interpretation of what is required to acknowledge or
    establish paternity under ICWA is not left up to state law.
    ¶ 70 We note that the dissent offers no persuasive reasoning for
    why we should presume that ICWA embraced state principles over
    those expressed in tribal law principles dealing with family issues. But,
    in any case, we likewise reject the notion that courts should look to
    tribal law to determine whether an unmarried biological father has
    acknowledged or established paternity under ICWA. As with state law,
    the application of tribal law to the definition of a parent under ICWA
    Utah law to show that actions outside of Utah’s paternity requirements
    are not per se unreasonable.
    23  A principal reason for the presumption that Congress does not
    make “the application of . . . federal act[s] dependent on state law. . . . is
    that federal statutes are generally intended to have uniform nationwide
    application.” 
    Holyfield, 490 U.S. at 43
    .
    39
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    would result in a lack of nationwide uniformity. Based on Holyfield, we
    determine that Congress could hardly have intended that result.
    3. A Federal Standard of Reasonableness Applies
    ¶ 71 Having rejected the application of state law to define the
    procedures and timing for acknowledging or establishing paternity
    under ICWA, we hold that a federal standard applies. 24 We
    acknowledge that ICWA does not explicitly define the procedures and
    timing required, but in light of the congressional findings and the
    purpose of ICWA as discussed above, as well as its protectiveness of
    parental rights pertaining to Indian children, we conclude that the
    requirements must be less exacting than those for establishing paternity
    under Utah law. Instead, we conclude that a reasonability standard
    applies to the time and manner in which an unwed father may
    acknowledge or establish his paternity. This comports with the canon
    of interpretation that where a statute is silent as to the time or manner
    of a subject, we presume a reasonability standard—an approach that is
    24  We concede that the courts in some cases we cite today did not
    look to a federal definition for acknowledging or establishing paternity,
    see, e.g., In re Adoption of a Child of Indian Heritage, 
    543 A.2d 925
    , 935 (N.J.
    1988), but the dissent’s criticism on that issue misses the point. Infra ¶
    166 n.33. The federal standard of reasonableness sets the floor for how
    states can define acknowledging or establishing paternity in the context
    of ICWA. The fact that some state standards may be more protective of
    parents’ rights than the federal minimum does not mean they have
    rejected a reasonableness floor, and these standards are not inconsistent
    with our decision today. See 25 U.S.C. § 1921 (“In any case where State
    or Federal law applicable to a child custody proceeding under State or
    Federal law provides a higher standard of protection to the rights of the
    parent or Indian custodian of an Indian child than the rights provided
    under this subchapter, the State or Federal court shall apply the State or
    Federal standard.”); see also Yavapai-Apache Tribe v. Mejia, 
    906 S.W.2d 152
    , 173 (Tex. App. 1995) (“Congress intended to defer to state or tribal
    standards for establishing paternity, as long as [those] standards were
    within contemplation of Congress and provide [a] realistic opportunity
    for unwed father[s] to establish [the paternal] relationship with [the]
    child.” (citation omitted)).
    40
    Cite as: 
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                    Himonas, J., Opinion of the Court in part
    consistent with ICWA case law25 and has been applied by many states
    over many years and many different topics of law.26 ICWA is silent
    25 Other states have determined that an unmarried biological father
    of an Indian child can qualify as a parent under ICWA even if his
    actions were not sufficient to comply with state-law requirements for
    establishing paternity. For example, the Arizona Court of Appeals held
    that even though an unwed father had not complied with a state statute
    giving him thirty days after receiving notice of an adoption petition to
    serve the mother with notice that he had initiated a paternity
    proceeding—and therefore “the juvenile court would typically find he
    waived his right to further notification of any adoption hearing”—the
    record nonetheless reflected that he had taken adequate steps to
    acknowledge paternity for ICWA purposes. Jared P. v. Glade T., 
    209 P.3d 157
    , 160, 162 (Ariz. Ct. App. 2009). And the Alaska Supreme Court
    concluded, based on its analysis of cases from other states, “that to
    qualify as an ICWA parent an unwed father does not need to comply
    perfectly with state laws for establishing paternity, so long as he has
    made reasonable efforts to acknowledge paternity.” Bruce L. v. W.E.,
    
    247 P.3d 966
    , 979 (Alaska 2011). This is consistent with our conclusion
    that the definition of a parent under ICWA is not controlled by state
    law.
    26 Coulter & Smith, Ltd. v. Russell, 
    966 P.2d 852
    , 858 (Utah 1998) (“[I]f
    a contract fails to specify a time of performance the law implies that it
    shall be done within a reasonable time under the circumstances.”); see
    Laurelle v. Bush, 
    119 P. 953
    , 956 (Cal. Dist. Ct. App. 1911) (“It is a well-
    recognized rule of statutory construction that a general grant of power,
    unaccompanied by specific directions as to the manner in which the
    power is to be exercised, implies the right and duty to adopt and
    employ such means and methods as may be reasonably necessary to a
    proper exercise of the power” in the context of granting a permit for a
    license.); Spiegelberg v. Gomez, 
    379 N.E.2d 1135
    , 1136 (N.Y. 1978)
    (implying a reasonableness condition on time before city may raise the
    rent on property it acquires); Lance Int’l, Inc. v. First Nat’l City Bank,
    
    927 N.Y.S.2d 56
    , 58 (App. Div. 2011) (implying a reasonable period of
    time for winding up a dissolved corporation’s affairs when statute is
    silent on time periods); Jonathan Neil Corp. v. State Liquor Auth.,
    
    491 N.Y.S.2d 632
    , 633 (App. Div. 1985) (using a “reasonable time”
    standard for how long a party should keep records on its premises “[i]n
    (cont.)
    41
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    both as to the manner in which an unwed father may acknowledge or
    establish paternity and as to the time in which he must do so. Applying
    a reasonability standard here creates obvious stop-gaps and prevents
    the slippery-slope concerns of the dissent, as it requires more than “any
    bare acknowledgement by a putative father,” infra ¶ 198, and would not
    allow “a putative Indian father [to] come forward months or even years
    later and assert a right to disrupt even a finalized adoption.” Infra ¶
    201.27
    the absence of a fixed statutory period of time”); Nw. Ohio Bldg. &
    Constr. Trades Council v. Conrad, 
    750 N.E.2d 130
    , 135–36 (Ohio 2001)
    (noting requirement that absent specific language administrative
    agency actions be performed “in a reasonable manner”); State v. Gaul,
    
    691 N.E.2d 760
    , 767 (Ohio Ct. App. 1997) (applying the “reasonable
    manner” standard to a statute that commanded a public official to
    invest public money but did not specify how it was to be done);
    Commonwealth v. Bd. of Supervisors of Arlington Cty., No. 18747, 
    1976 WL 22828
    , at *2 (Va. Cir. Ct. Oct. 1, 1976) (county board must exercise its
    general powers in a reasonable manner); see also Lora v. Shanahan, 
    804 F.3d 601
    , 614 (2d Cir. 2015), cert. denied, 
    136 S. Ct. 2494
    (2016) (analyzing
    “reasonable” time limit for immigration detention).
    27 The dissent’s arguments about a standard of reasonableness seem
    to stem not from a belief that ICWA could not have intended a
    reasonableness standard but from discomfort with any reasonableness
    standard. See infra ¶ 172 (equating “reasonably” with “vaguely”). We
    find it hard to believe that a state court would be baffled by application
    of a reasonableness standard in the federal context and would feel the
    need to resort to legislative-like hearings, see infra ¶ 175, given that we
    frequently are called upon to apply a federal standard of
    reasonableness in other contexts, such as interpreting the Fourth
    Amendment of the U.S. Constitution. State v. Maxwell, 
    2011 UT 81
    , ¶ 14,
    
    275 P.3d 220
    (discussing “reasonableness” in Fourth Amendment
    context); State v. Simons, 
    2013 UT 3
    , ¶ 40, 
    296 P.3d 721
    (Lee, J.,
    concurring) (noting that “the touchstone under the Fourth Amendment
    is reasonableness, and that standard affords flexibility”). And although
    states may differ in their interpretation of “reasonableness,” see
    generally State v. Martinez, 
    2017 UT 43
    , ¶ 18, __ P.3d __ (rejecting New
    Mexico Court of Appeals’ holding on “reasonable Fourth Amendment
    privacy considerations of passengers” (citation omitted)), the country
    (cont.)
    42
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                    Himonas, J., Opinion of the Court in part
    ¶ 72 This approach is consistent with ICWA’s liberal
    administration. Guidelines for State Courts; Indian Child Custody
    Proceedings, 44 Fed. Reg. 67,584, 67,586 (Nov. 26, 1979) (stating that
    ICWA “shall be liberally construed”); see also Brenda O. v. Ariz. Dep’t of
    Econ. Sec., 
    244 P.3d 574
    , 577 (Ariz. Ct. App. 2010) (“ICWA is to be
    interpreted ‘liberally in favor of the Indians’ interest in preserving
    family units.’” (citation omitted)); In re Esther V., 
    248 P.3d 863
    , 869
    (N.M. 2011) (noting that ICWA is a remedial statute that must be
    interpreted “liberally to facilitate and accomplish [its] purposes and
    intent” (citation omitted)). The BIA guidelines also support a federal
    reasonableness standard.28 Indeed, courts assessing paternity by unwed
    has not devolved into “chaos and unpredictability” as “each court faced
    with the . . . question . . . offer[s] its own subjective assessment of what
    is . . . ‘reasonable.’” Infra ¶ 200.
    28   The BIA considered including a federal standard for what
    constitutes acknowledgement or establishment of paternity. Some
    commenters for the BIA’s proposed rule “recommended language
    requiring an unwed father to ‘take reasonable steps to establish or
    acknowledge paternity’” and requested clarification on time limits for
    acknowledging or establishing paternity. Indian Child Welfare Act
    Proceedings, 81 Fed. Reg. 38,778, 38,795–96 (June 14, 2016). The BIA
    responded by stating that “[t]he Supreme Court and subsequent case
    law has already articulated a constitutional standard regarding the
    rights of unwed fathers” and that many states have held that, under
    ICWA, an unwed father “must make reasonable efforts to establish
    paternity, but need not strictly comply with State laws.” 
    Id. (citing Bruce
    L., 247 P.3d at 978
    –79). Based on these holdings that a reasonableness
    standard for acknowledging or establishing paternity applies under
    ICWA—a set of holdings we join today—the BIA “d[id] not see a need
    to establish an ICWA-specific Federal definition for this term.” 81 Fed.
    Reg. at 38,796.
    The U.S. Supreme Court relied on similar language from BIA
    guidelines in Holyfield. The guidelines declined to articulate a federal
    standard on the basis that “[t]here is no indication that these state law
    definitions [of “residence” and “domicile”] tend to undermine in any
    way the purposes of the Act.” Guidelines for State Courts; Indian Child
    Custody Proceedings, 44 Fed. Reg. 67,584, 67,585 (Nov. 26, 1979). From
    this, the Supreme Court concluded that “[t]he clear implication is that
    (cont.)
    43
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    putative fathers under other federal statutes have also looked to “the
    history and tradition of liberal administration of benefits” in rejecting
    “[a]pplication of rigorous state law schemes for proof of paternity.”
    St. John Stevedoring Co. v. Wilfred, 
    818 F.2d 397
    , 399 (5th Cir. 1987). Put
    another way, the BIA guidelines did not adopt a uniform standard of
    reasonableness because the BIA correctly presumed that state courts
    already understood that strict compliance with state law was not
    necessary.
    ¶ 73 By contrast, the dissent’s proposed standard would lead to
    absurd situations where an unwed father who clearly has
    acknowledged or established paternity under ICWA would not qualify
    under Utah law. Take, for example, a situation where a biological
    mother abandons a child with the unmarried biological father. If the
    father acted as the sole caretaker for his child, that would surely be a
    clear-cut case of acknowledgement of paternity. But under Utah law,
    the father would not have acknowledged paternity if he did not have a
    written agreement that the mother had also signed. Supra ¶ 67. This
    would provide the father with fewer rights than a reasonability
    standard under ICWA. We believe a common-sense reading of ICWA
    prohibits the dissent’s strict interpretation. See In re Adoption of Baby
    E.Z., 
    2011 UT 38
    , ¶ 40; In re J.S., 
    321 P.3d 103
    , 110 (Mont. 2014)
    (applying a “[c]ommon sense construction of the meaning of ‘active
    efforts’” in ICWA (alteration in original)); see also In re Adoption of Sara
    J., 
    123 P.3d 1017
    , 1036 (Alaska 2005) (applying “[c]ommon sense” to
    interpret ICWA’s placement preferences); In re T.S.W., 
    276 P.3d 133
    ,
    144 (Kan. 2012) (same).
    ¶ 74 Thus, we hold that Birth Father’s actions satisfied the
    requirements for acknowledging paternity under ICWA using a
    reasonability standard. Birth Father and Birth Mother resided together
    at the time of conception and for the first six months of Birth Mother’s
    pregnancy. During that time, Birth Father supported Birth Mother,
    paying for their rent, utilities, and groceries and Birth Mother’s phone
    bill. When Birth Mother moved to Utah six months into the pregnancy,
    the plan was for Birth Father to join her later, once she was settled into
    their new apartment. Birth Father stayed in contact with Birth Mother
    state law that did tend to undermine the ICWA’s purposes could not be
    taken to express Congress’ intent.” 
    Holyfield, 490 U.S. at 51
    n.26.
    44
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                   Himonas, J., Opinion of the Court in part
    over the phone for the first few weeks after her move, until Birth
    Mother cut off communication with him. Birth Father was then told by
    family friends that Birth Mother was fine and would return to South
    Dakota soon. Birth Father indicated that he believed Birth Mother
    needed some space and that she would either return to South Dakota to
    deliver their baby or that she would return with the baby after the
    delivery. Instead, Birth Mother placed their child for adoption. Upon
    learning of the proceedings shortly after the September 25, 2014 order
    terminating parental rights was issued, Birth Father informed the tribe
    of the situation and consulted with Dakota Plains Legal Services. After
    being referred to Utah Legal Services, Birth Father filed a motion to
    intervene, a motion for paternity testing, and a paternity affidavit
    expressly acknowledging that he was the Child’s biological father. He
    also filed an Answer, Objection, and Verified Counterpetition to the
    Verified Petition for Adoption. When new ICWA guidelines were
    released on the day of the hearing on his motions, Birth Father acted
    immediately: the very same day, he submitted those guidelines to the
    court with a motion requesting the court to review them and drawing
    the court’s attention to pertinent provisions in the guidelines. In the
    April 21, 2015 order denying Birth Father’s motion to intervene on the
    basis that he was not a parent under ICWA, the district court itself
    stated that Birth Father
    has filed numerous documents with the Court in this
    case asserting paternity. In connection with this case,
    [Birth Father] has filed an affidavit setting forth his
    willingness and ability to parent the Child, his plans for
    care of the Child, and his willingness to pay child
    support and expenses related to the pregnancy and birth.
    He has filed a notice, with the Utah Department of
    Health, Office of Vital Records and Statistics, indicating
    that he has filed a paternity action regarding the Child
    (identifying this case as the paternity action). Thus, if one
    construes this action as a ‘paternity action,’ then [Birth
    Father] has now accomplished all of the tasks required by
    Utah’s statute.
    45
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    ¶ 75 These actions, we hold, were both timely and sufficient for
    Birth Father to acknowledge paternity under ICWA, making Birth
    Father a “parent” for purposes of section 1914.29
    C. Birth Father Is a Parent Under Utah Law
    ¶ 76 As an alternative basis, I would hold that Birth Father also
    timely acknowledged and established his paternity under Utah law. As
    the district court indicated, Birth Father “accomplished all of the tasks
    required” by Utah Code section 78B-6-121(3), which relates to the
    consent of an unmarried biological father. And Birth Father
    accomplished these tasks within the timeframe required by Utah law.
    See UTAH CODE § 78B-6-121(3) (requiring the unmarried biological
    father to accomplish those tasks “prior to the time the mother executes
    her consent for adoption or relinquishes the child for adoption”). The
    district court concluded that Birth Father’s actions were untimely
    because he “completed these tasks no earlier than January 26, 2015,”
    which the court determined was after “the time the mother execute[d]
    her consent for adoption or relinquishe[d] the child for adoption.” 
    Id. However, because
    Birth Mother never gave valid consent, supra ¶ 44,
    and because Birth Father has accomplished all the necessary actions,
    Birth Father timely established paternity even under Utah law. Thus,
    even if Utah law applied to define how to acknowledge or establish
    paternity under ICWA, Birth Father satisfies the statutory definition of
    a “parent.”
    ¶ 77 The actions Birth Father took illustrate that this case is a poster
    child for application of ICWA. Against the backdrop of 25 U.S.C.
    section 1902’s declaration of policy stating that ICWA is designed “to
    promote the stability and security of Indian tribes and families” and
    29  The dissent’s skepticism that “the actions [Birth Father] took prior
    to the custody proceedings satisfied” a reasonability standard, infra
    ¶ 171 n.37, echoes socioeconomic and cultural assumptions that ICWA
    itself aims to uproot. See 25 U.S.C. § 1901(5) (stating “that the States . . .
    have often failed to recognize the essential tribal relations of Indian
    people and the cultural and social standards prevailing in Indian
    communities and families”); H.R. REP. No. 95-1386, at 10 (1978)
    (discussing how “many social workers [are] ignorant of Indian cultural
    values and social norms” and therefore “make decisions that are
    wholly inappropriate in the context of Indian family life”).
    46
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    guard against state courts’ unnecessary removals of Indian children
    from their families, the majority would hold that an Indian father who
    took every necessary action to acknowledge paternity of his Indian
    child did too little, too late. I disagree. Because Birth Father
    acknowledged his paternity under both a federal reasonableness
    standard and a stricter Utah standard, he is a “parent” for purposes of
    ICWA. This status as a parent gives him standing under section 1914 to
    challenge the order terminating Birth Mother’s parental rights due to
    her invalid consent. 25 U.S.C. § 1914 (“[A]ny parent . . . may petition
    any court of competent jurisdiction to invalidate such action upon a
    showing that such action violated any provision of sections 1911, 1912,
    and 1913 of this title.”).
    D. Birth Father’s Status as a Parent, Along with His Custody
    of the Child, Gives Him the Right to Intervene
    ¶ 78 Because we conclude that Birth Father is a “parent” under
    ICWA, we now look to language in section 1914 that arguably requires
    not just that a person bringing a challenge to a termination action be a
    “parent” but also that he be a parent “from whose custody such child
    was removed.” Birth Father may bring an action under this section
    because, as a parent, he had legal custody of the Child, and to the
    extent he did not have physical custody of the Child, it was because of
    Birth Mother’s misrepresentations.
    ¶ 79 We first note that legal custody alone suffices for section 1914
    purposes. To hold otherwise would exclude a large number of fathers
    who were unable to obtain physical custody through circumstances
    that are out of their control. We believe that result would be seriously
    troubling, especially given that ICWA should be “liberally construed.”
    Guidelines for State Courts; Indian Child Custody Proceedings, 44 Fed.
    Reg. at 67,586.
    ¶ 80 Our approach is consistent with how courts have interpreted
    “custody” in other ICWA settings. For example, section 1912(f), which
    states that “[n]o termination of parental rights may be ordered in such
    proceeding in the absence of a determination . . . that the continued
    custody of the child by the parent or Indian custodian is likely to result
    in serious emotional or physical damage to the child,” refers to either
    physical or legal custody. D.J. v. P.C., 
    36 P.3d 663
    , 670 (Alaska 2001); see
    also Adoptive Couple v. Baby Girl, 
    133 S. Ct. 2552
    , 2562 (2013) (addressing
    whether unwed father had “legal or physical custody” of the child
    (emphasis added)).
    47
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    ¶ 81 In this case, Birth Father had legal custody of the Child by
    virtue of his paternity. “[A] parent possesses a fundamental liberty
    interest in the care, custody, and management of the parent’s child.”
    UTAH CODE § 78A-6-503(1).30 This includes not just physical custody,
    but also legal custody, which is defined as a relationship including “the
    right to physical custody,” 
    id. § 78A-6-105(22)(a),
    “the right and duty to
    protect, train, and discipline” the child, 
    id. § 105(22)(b),
    and “the right
    to determine where and with whom the minor shall live,” 
    id. § 105(22)(d).
    And Utah law appears to presume that a parent
    automatically enjoys legal custody, stating that the “fundamental
    liberty interest of a parent concerning the care, custody, and
    management of the parent’s child is recognized, protected, and does
    not cease to exist simply because a parent may fail to be a model parent
    or because the parent’s child is placed in the temporary custody of the
    state,” 
    id. § 78A-6-503(4),
    and that “a parent has the right, obligation,
    responsibility, and authority to raise, manage, train, educate, provide
    for, and reasonably discipline the parent’s children,” 
    id. § 503(10)(a).
    Thus, as a parent under ICWA, Birth Father had legal custody of the
    Child.
    ¶ 82 Although Birth Father’s legal custody of the Child is
    sufficient, we also note that his lack of physical custody was due to
    Birth Mother’s misrepresentations, which we will not hold against him
    for section 1914 purposes. We believe there is a meaningful distinction
    between a father who, albeit unsuccessfully, attempts to obtain physical
    custody and one who makes no such efforts. Compare In re Adoption of
    Baby Girl B., 
    67 P.3d 359
    , 366 (Okla. Civ. App. 2003) (stating that, in
    keeping with “the policies and purposes” of ICWA, where “a father has
    no reasonable notice of fatherhood, then [federal and state versions of
    ICWA] do not preclude him from asserting rights under those Acts
    simply because he had not been, through no fault of his own, a
    custodial parent”), with In re J.S., 
    321 P.3d 103
    , 113 (Mont. 2014)
    (holding that father never had custody of child where he “was not
    30 Under ICWA, “legal custody” is defined by reference to tribal or
    state law. See 25 U.S.C. § 1903(6) (defining “Indian custodian” as “any
    Indian person who has legal custody of an Indian child under tribal law
    or custom or under State law”); Indian Child Welfare Act Proceedings,
    81 Fed. Reg. at 38,792 (stating that a parent may have legal custody
    “under any applicable Tribal law or Tribal custom or State law”).
    48
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    involved in the child’s life for the significant part of 15 years and only
    became interested in the action ten years after significant State
    involvement refocused his attention to the matter”); see also Adoptive
    
    Couple, 133 S. Ct. at 2571
    (Breyer, J., concurring) (stating that majority’s
    conclusion that father lacked physical and legal custody did not
    address situations where a father has paid “all of his child support
    obligations” or “was deceived about the existence of the child or . . .
    prevented from supporting his child”). In this case, Birth Father lacked
    physical custody of the Child only because Birth Mother left the state,
    refused to communicate with him, and did not tell him when or where
    the Child was born. Until Birth Mother left, however, Birth Father had
    taken significant steps to care for his unborn child, including providing
    financial support during Birth Mother’s pregnancy. And after Birth
    Father found out about the Child’s birth, he filed numerous documents
    with the district court stating his willingness to care for and support the
    Child. Where, as here, a father took every reasonable step to obtain
    physical custody but was thwarted by the mother’s misrepresentations,
    we hold that he is not barred from challenging an action under section
    1914.
    ¶ 83 We also note that the majority of courts, including our court of
    appeals, have adopted a similar view in rejecting the idea that ICWA’s
    language about “the removal of Indian children from their families”
    requires an existing Indian family for the child to be removed from.
    State ex rel. D.A.C., 
    933 P.2d 993
    , 999–1000 (Utah Ct. App. 1997) (stating
    that ICWA’s policies support application of the Act even where there
    was no existing Indian family); see also In re Baby Boy Doe, 
    849 P.2d 925
    ,
    932 (Idaho 1993) (calling “existing Indian family” exception an
    inappropriate “judicially created exception” that “circumvent[s] the
    mandates of ICWA”); In re A.J.S., 
    204 P.3d 543
    , 549 (Kan. 2009) (stating
    that the exception “appears to be at odds with the clear language of
    ICWA”); In re Baby Boy C., 
    805 N.Y.S.2d 313
    , 323 (App. Div. 2005)
    (noting that “the word ‘existing’ is not found anywhere in ICWA’s
    definitions sections and appears to have been supplied by judicial
    interpretation”). These courts have held that interpreting the “removal”
    language to mean that ICWA does not apply where there was no
    existing Indian family would frustrate the policies of ICWA.31 State ex
    31  We see important parallels between the rise and fall of the
    “existing Indian family” doctrine and the case before us today. In the
    (cont.)
    49
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    rel. 
    D.A.C., 933 P.2d at 1000
    ; In re Baby Boy 
    C., 805 N.Y.S.2d at 324
    (“Since ICWA was passed, in part, to curtail state authorities from
    making child custody determinations based on misconceptions of
    Indian family life, the [“existing Indian family”] exception, which
    necessitates such an inquiry, clearly frustrates this purpose[.]”). To hold
    that a parent who has never had physical custody—through no fault of
    his own—could not bring an action under section 1914 would have the
    same baffling effect of barring the very people the Act is intended to
    benefit.
    ¶ 84 Thus, we hold that Birth Father was a parent who had
    custody of the Child. But we are split on the implications of this
    holding. A minority of the court would hold that he has statutory
    standing to raise the subject matter jurisdictional issues of Birth
    Mother’s consent, and, because he has standing to place them before
    our court, we have a responsibility to reach them.32 But, aside from the
    “existing Indian family” context, several courts at first relied heavily on
    the plain language of “removal” in various sections of ICWA, thereby
    denying Indian children ICWA’s heightened protections. But such a
    strangled view of ICWA was widely abandoned after the U.S. Supreme
    Court’s decision in Holyfield, as state courts recognized the “existing
    Indian family” doctrine’s “deviation from ICWA’s core purpose of
    ‘preserving and protecting the interests of Indian tribes in their
    children.’” In re A.J.S., 
    204 P.3d 543
    , 550 (Kan. 2009) (citation omitted);
    see also In re Adoption of Baade, 
    462 N.W.2d 485
    , 489 (S.D. 1990) (“Such a
    practice fails to recognize the legitimate concerns of the tribe that are
    protected under the Act.”). We therefore reject the dissent’s idea that
    giving force to ICWA’s stated purpose is a “purposivist approach” that
    will lead us on “an endless journey.” Infra ¶ 197 n.51. Rather, our
    opinion today is a recognition that the plain language of ICWA is
    informed by its “core purpose of preserving and protecting the interests
    of Indian tribes in their children,” In re Baby Boy C., 
    805 N.Y.S.2d 313
    ,
    323 (App. Div. 2005), and that this purpose argues for an interpretation
    that embraces a minimum federal standard—reasonableness—for an
    Indian father’s acknowledgement or establishment of paternity.
    32 Because I believe that Birth Mother’s consent was invalid, I would
    hold that this should result in a remand for a lack of subject matter
    jurisdiction. I reject the majority’s notion that a lack of subject matter
    jurisdiction would bind the court to an order of vacatur and dismissal.
    (cont.)
    50
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                    Himonas, J., Opinion of the Court in part
    subject matter jurisdictional implications of Birth Father’s status as a
    parent, the majority holds that he was entitled to intervene in the
    adoption proceedings. We therefore remand on that basis.
    ¶ 85 In remanding for the district court to allow Birth Father to
    intervene, we are not blind to “the potential traumatic impact of a
    sudden, precipitous separation of a child from the only parents [he] has
    ever known.” In re Adoption of Baby Girl P., 
    242 P.3d 1168
    , 1176 (Kan.
    2010). But “[w]hatever feelings we might have as to where [the Child]
    should live, . . . it is not for us to decide that question.” 
    Holyfield, 490 U.S. at 53
    . It is our task to decide whether the district court exercised
    proper jurisdiction, but we are not tasked with deciding “what the
    outcome of that determination should be.” 
    Id. And we
    hope that our
    guidance to district courts in adoption proceedings will prevent future
    heart-wrenching situations. See 
    id. at 53–54
    (“Had the mandate of the
    ICWA been followed [by the district court], much potential anguish
    might have been avoided, and in any case the law cannot be applied so
    as automatically to ‘reward those who obtain custody, whether
    lawfully or otherwise, and maintain it during any ensuing (and
    protracted) litigation.’” (quoting In re Adoption of Halloway, 
    732 P.2d 962
    ,
    972 (Utah 1986))).33
    See infra ¶ 154. The district court lacked jurisdiction to proceed with the
    adoption, but it had proper jurisdiction to obtain consent from the birth
    parents and terminate their rights if appropriate. Therefore, I would
    hold that a remand to that stage of the court’s proceedings is
    appropriate. See In re Adoption of L.D.S., 
    155 P.3d 1
    , 8–9 (Okla. 2006), as
    supplemented on reh’g, No. 250 (Mar. 6, 2007) (finding decree of adoption
    void and directing the trial court on remand “to return the parties to
    the legal status they held before the erroneous declaration that the child
    was available for adoption without parental consent”). Among other
    outcomes, this could include Birth Mother’s providing valid consent, in
    which event Birth Father may be able to timely petition to intervene, or
    Birth Father, Birth Mother, and the prospective adoptive parents may
    file petitions for custody.
    33 The majority notes possible procedural due process problems if
    Birth Mother does not receive notice. Infra ¶ 110. But Birth Mother had
    both notice and an opportunity to be heard on this appeal when her
    motion to withdraw her consent was denied. See Nelson v. Jacobsen, 
    669 P.2d 1207
    , 1211 (Utah 1983) (“Timely and adequate notice and an
    (cont.)
    51
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    III. THE DISTRICT COURT ERRED IN HOLDING
    THAT THE ADOPTION PROCEEDINGS WERE
    VOLUNTARY AS TO BIRTH FATHER
    ¶ 86 Under ICWA, a parent has a right to receive notice of and to
    intervene in any proceeding involving the involuntary termination of
    his or her parental rights. 25 U.S.C. § 1912(a) (“In any involuntary
    proceeding in a State court, where the court knows or has reason to
    know that an Indian child is involved, the party seeking the . . .
    termination of parental rights to[] an Indian child shall notify the
    parent or Indian custodian and the Indian child’s tribe . . . of the
    pending proceedings and of their right of intervention.”). As we
    discussed above, Birth Father is a “parent” under ICWA. Supra ¶¶ 74–
    77. The district court held that the proceeding was voluntary as to Birth
    Father, which meant he was not entitled to notice and intervention. We
    reverse and hold that the proceeding was involuntary as to Birth
    Father.
    ¶ 87 Originally, these proceedings appeared to be voluntary on the
    part of both parents because Birth Mother misrepresented her brother-
    in-law as the biological father and had him sign a consent form for
    termination of parental rights in order to make the adoption go faster.
    Even after Birth Father filed a motion to intervene to establish paternity
    and after Birth Mother filed an affidavit informing the court that Birth
    Father was the biological parent and a member of the Cheyenne River
    Sioux Tribe, the court still believed the case to be “undoubtedly a
    voluntary proceeding” because it was “initiated not by the State but by
    Petitioners after the child’s mother indicated her (at the time) voluntary
    desire to relinquish her parental rights and place the child for
    adoption.” While we recognize that the proceedings were voluntary
    as to Birth Mother, it is clear that Birth Father never sought to
    opportunity to be heard in a meaningful way are the very heart of
    procedural fairness.”). I am also confident that were we to reinstate
    Birth Mother’s rights, any due process concerns could be addressed by
    requiring Birth Father to provide Birth Mother with notice that her
    parental rights have been reinstated and that she possesses the ability
    to waive her parental rights in compliance with ICWA’s timing
    requirements.
    52
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                   Himonas, J., Opinion of the Court in part
    voluntarily terminate his parental rights. We disagree with the district
    court’s characterization of “involuntary proceedings” as “state-
    sponsored proceedings” and “voluntary proceedings” as “proceedings
    initiated by an Indian parent seeking to terminate her parental rights.”
    Rather, we hold that proceedings to terminate a parent’s parental rights
    against his or her will are involuntary proceedings under ICWA.
    ¶ 88 ICWA does not define “involuntary proceeding” as used in
    25 U.S.C. section 1912(a), so we look to the plain meaning of the term
    instead. The plain language in section 1912(a) refers to “any
    involuntary proceeding in a State court.” Black’s Law Dictionary defines
    “involuntary” as “[n]ot resulting from a free and unrestrained choice;
    not subject to control by the will.” Involuntary, BLACK’S LAW
    DICTIONARY (10th ed. 2014). When a parent’s rights are terminated
    against his or her will, the termination does not “result[] from a free
    and unrestrained choice” by that parent. 
    Id. And if
    the proceedings are
    involuntary as to one parent, a plain language analysis leads to the
    conclusion that they are involuntary proceedings under ICWA,
    regardless of whether those proceedings are initiated by the state or by
    the other parent. Additionally, in light of ICWA’s policy “to protect the
    best interests of Indian children and to promote the stability and
    security of Indian tribes and families,” 25 U.S.C. § 1902, it would be
    inconsistent to deny a parent the right to receive notice and to intervene
    in proceedings for the termination of his or her parental rights just
    because the termination of the other parent’s rights was voluntary.
    Thus, we conclude that the proceedings in this case are involuntary as
    they pertain to Birth Father.34 Birth Father therefore was entitled to
    notice of the proceedings and the opportunity to intervene.
    34 Regardless of whether the proceedings are voluntary, because
    Birth Father is a parent for purposes of ICWA, see supra ¶¶ 74–77, he
    was “entitled to the protections under [25 U.S.C. sections] 1912(d) and
    (f) and other applicable provisions.” Bruce L. v. W.E., 
    247 P.3d 966
    , 979
    (Alaska 2011). But nothing in the record indicates that Birth Father was
    provided with, for example, any “remedial services and rehabilitative
    programs designed to prevent the breakup of the Indian family[.]” 25
    U.S.C. § 1912(d). And the district court has made no “determination,
    supported by evidence beyond a reasonable doubt, including testimony
    of qualified expert witnesses, that the continued custody of the child by
    (cont.)
    53
    Adoption of B.B.
    Himonas, J., Opinion of the Court in part
    CONCLUSION
    ¶ 89 Because the proceedings in this case were involuntary as to
    Birth Father, and because he acknowledged paternity as required under
    ICWA, he had a right to receive notice of and to intervene in the
    adoption proceeding. Consequently, we reverse the district court’s
    denial of Birth Father’s motion to intervene and remand for further
    proceedings consistent with this opinion.
    ¶ 90 In addition, I would hold that (a) Birth Mother did not give
    valid consent to the termination of her parental rights, (b) the district
    court therefore lacked jurisdiction to proceed with the adoption of the
    Child, and (c) the issue is properly before us. I dissent from the
    majority’s holding to the contrary on issues (b) and (c).
    the parent or Indian custodian is likely to result in serious emotional or
    physical damage to the child.” 
    Id. § 1912(f).
        Adoptive Couple v. Baby Girl, 
    133 S. Ct. 2552
    (2013), is not to the
    contrary. Adoptive Couple held that sections 1912(d) and (f) do not apply
    where “an Indian parent abandons an Indian child prior to birth and
    that child has never been in the Indian parent’s legal or physical
    custody,” such that “the Indian parent never had custody of the Indian
    child.” 
    Id. at 2560,
    2562. But, as the deciding vote in the case averred, it
    did not “involve special circumstances such as a father who was
    deceived about the existence of the child or a father who was prevented
    from supporting his child.” 
    Id. at 2571
    (Breyer, J., concurring). There is
    thus no controlling precedent on the precise issue before this court. 
    Id. (noting that
    Adoptive Couple “need not, and in my view does not, . . .
    decide whether or how [sections] 1912(d) and (f) apply where those
    [special] circumstances are present”).
    54
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                    Lee, A.C.J., Opinion of the Court in part
    ASSOCIATE CHIEF JUSTICE LEE authored the opinion of the Court as to
    Part I, in which CHIEF JUSTICE DURRANT and JUSTICE PEARCE joined; and
    a dissenting opinion as to Part II, in which CHIEF JUSTICE DURRANT
    joined:
    ¶ 91 Contested adoption proceedings are difficult. They cut at the
    heart of the most sacred, essential institution of our society—the family.
    And the disposition of such a case has profound effects on the lives of
    many—on the child in question and on all who assert an interest in the
    child’s parentage or upbringing.
    ¶ 92 The sensitivity of these issues is heightened when one or more
    of the interested parties hails from another state. And the difficulty is
    compounded further when, as here, a party claiming rights as a
    putative father is a member of an Indian tribe, protected by the Indian
    Child Welfare Act (ICWA).
    ¶ 93 For these and other reasons Justice Himonas is right to urge a
    course of caution. I could not agree more with the admonition that the
    “‘best interests’” of children and others involved in adoption
    proceedings require careful “obedience to the policies and procedures
    mandated by law.’’ Supra ¶ 1 (citation omitted).
    ¶ 94 That’s about as far as my agreement with the lead opinion
    goes, however. The lead opinion claims to be following the “majority”
    approach on a range of the issues it addresses. See supra ¶ 30 (asserting
    that its jurisdictional analysis is consistent with “the great majority of
    states’ views on the issue”); supra ¶ 71 (stating that the majority’s
    federal “reasonableness” standard of establishing or acknowledging
    “paternity” under ICWA “is consistent with ICWA case law” in other
    states). But the cited cases are easily distinguishable. And Justice
    Himonas’s approach is quite unique. No court that I am aware of
    (Justice Himonas cites none) has ever held that a timing defect in an
    earlier consent order is the sort of subject-matter jurisdictional defect
    that must be considered sua sponte by the court presiding over an
    adoption. And the court’s analysis of the ICWA standard of
    establishing or acknowledging “paternity” is equally novel. No court
    that I am aware of (and again the lead opinion cites none) treats the
    notion of “paternity” in ICWA as a purely federal standard—a
    standard of “reasonableness” to be developed on a case-by-case basis
    by the courts, and not by reference to standards established as a matter
    of state law.
    55
    Adoption of B.B.
    Lee, A.C.J., Opinion of the Court in part
    ¶ 95 On these and other points the lead opinion stretches existing
    law beyond recognition. Justice Himonas claims fealty to existing
    precedent but his approach is a novel one. It threatens to unsettle this
    important field on numerous points of heretofore settled law.
    ¶ 96 The question presented in this case is a simple one. We are
    asked to decide whether the district court erred in denying a motion to
    intervene filed by E.T., a member of an Indian tribe who asserts an
    interest in B.B. as a putative father. The district court denied that
    motion on the ground that E.T. could not qualify as a “parent” under
    Utah law or under ICWA, which excludes an unwed father whose
    “paternity has not been acknowledged or established.” 25 U.S.C.
    § 1903(9). The ICWA notion of acknowledgement or establishment of
    paternity, in the district court’s view, was an invocation of state law
    principles of paternity. And the district court denied E.T.’s motion to
    intervene because E.T. had not acknowledged or established his
    paternity as a matter of state law.
    ¶ 97 I would affirm that decision, which is entirely in line with the
    terms of ICWA and with established case law in other jurisdictions. I
    would hold that E.T. does not qualify as a “parent” because he did not
    acknowledge or establish his paternity under Utah law. While a
    majority of the court disagrees with my analysis on this point, a
    majority nonetheless rejects the lead opinion’s subject-matter
    jurisdiction analysis. Thus, the court concludes that there is no subject-
    matter jurisdiction defect in this case.
    ¶ 98 Justice Himonas’s contrary conclusions are premised on a
    series of distortions of settled principles of law. First, the lead opinion
    distorts the law of appellate procedure and subject-matter jurisdiction.
    The root of its jurisdictional analysis is its decision to question a final
    order finding that the birth mother (C.C.) consented to the adoption
    more than ten days after the birth of the child as required by ICWA.
    That order was a final, appealable one when entered. But no one ever
    challenged it. Not C.C. And not even E.T.1 And that should have
    1 Justice Himonas posits that E.T. lacked an opportunity to challenge
    C.C.’s consent because he was never a party to the proceedings. But
    E.T. had every opportunity when he moved to intervene. At that point
    he had a full and fair opportunity to identify any grounds for his
    intervention. Yet he never challenged the validity of the consent
    (cont.)
    56
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                    Lee, A.C.J., Opinion of the Court in part
    rendered the merits of that decision final, foreclosing our prerogative of
    second-guessing it, under settled rules of finality and appellate
    procedure.
    ¶ 99 The lead opinion would unsettle our law of appellate
    procedure in reopening an order that no party ever sought to challenge.
    And it would distort the law of subject-matter jurisdiction by treating a
    purported defect in the consent order as a matter going to the adoption
    court’s subject-matter jurisdiction.
    ¶ 100 Second, the court distorts the standard set forth in ICWA. It
    does so by interpreting the statute’s reference to the acknowledgement
    or establishment of “paternity” to call for a wholly federal standard of
    paternity—a standard the court declines to define except to say that it
    calls for a case-by-case evaluation of “reasonableness.” Supra ¶¶ 71–72.
    This unsettles the law in this important field. No court to date has
    interpreted ICWA to call for a wholly federal standard of establishing
    paternity. By declaring the existence of such a standard without
    ultimately defining it, the court ensures chaos and unpredictability for
    years to come.
    ¶ 101 I find all of the above untenable. And easily avoidable. All
    we have to do is follow settled rules of procedure and jurisdiction and
    the plain text of ICWA. I would do so here. While a majority of the
    court holds that there is no defect in the district court’s subject-matter
    jurisdiction, I would also affirm the district court’s denial of the motion
    to intervene because E.T. did not timely acknowledge or establish his
    paternity.
    order—neither in the proceedings below nor on appeal. In resting on
    other grounds, E.T. accepted the validity of the consent order both
    before the district court and in his briefs on appeal. For this reason the
    court concludes that E.T. has waived any opportunity to challenge the
    consent and termination order. And the court’s analysis of the
    procedural impropriety of the lead opinion’s review of the consent and
    termination order is premised on the fact that E.T. failed to bring this
    issue within the scope of our review.
    57
    Adoption of B.B.
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    I. SUBJECT-MATTER JURISDICTION
    ¶ 102 We have no quarrel with Justice Himonas’s assertion that our
    court has a duty to make a sua sponte assessment of our own subject-
    matter jurisdiction. See supra ¶ 19. But upon review of the supplemental
    briefing, we see no basis for the conclusion that the district court lacked
    jurisdiction to decide E.T.’s motion to intervene. We see at least four
    independent grounds for rejecting Justice Himonas’s determination of a
    subject-matter jurisdiction defect.
    A. The Consent Order Is Not Properly Before Us
    ¶ 103 The heart of Justice Himonas’s jurisdictional analysis is his
    determination that the district court erred in concluding that C.C.’s
    consent complied with ICWA’s timing requirements. Because Justice
    Himonas would reverse the district court’s conclusions on this issue, he
    would determine that the district court lacked jurisdiction to proceed
    with the adoption.
    ¶ 104 But Justice Himonas cites no authority for the power to
    revisit a final order in a collateral termination proceeding not
    challenged by any of the parties at any stage of these proceedings—
    below or on appeal. When a court enters a final order stating its
    findings of fact and conclusions of law, that order is binding unless and
    until a litigant successfully challenges the order’s validity. See Snell v.
    Cleveland, Inc., 
    316 F.3d 822
    , 825–28 (9th Cir. 2002) (reversing district
    court’s sua sponte decision to vacate a final judgment in an earlier case
    on the basis of an alleged defect in diversity jurisdiction). This is true
    even in the context of subject-matter jurisdiction. See 
    id. We have
    a
    sua sponte responsibility to raise issues of subject-matter jurisdiction
    during the pendency of an action. See 
    id. at 826;
    UTAH R. CIV. P. 12(h)(2).
    But we do not have power to sua sponte reconsider the premises of
    jurisdiction of a final judgment that has not been collaterally attacked
    by a litigant. See 
    Snell, 316 F.3d at 825
    –28; UTAH R. Civ. P. 60(b); Yanow
    v. Weyerhaeuser S.S. Co., 
    274 F.2d 274
    , 279–80 & n.8 (9th Cir. 1958) (citing
    Noble v. Union River Logging R. Co., 
    147 U.S. 165
    , 171–74 (1893)).
    ¶ 105 Granted, E.T. was unaware of the termination proceedings in
    which C.C. voluntarily relinquished her rights and consented to the
    adoption of B.B. Yet he had every opportunity to raise a rule 60(b)
    challenge to that final judgment in the context of his motion to
    intervene. And he failed to do so at any time prior to the court’s final
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    adjudication of his motion to intervene. E.T.’s decision not to raise such
    a challenge constituted a waiver of the issue before the district court.
    ¶ 106 E.T.’s waiver is equally clear on appeal. His notice of appeal
    identifies only the order denying his motion to intervene and
    subsidiary orders. See Amended Notice of Appeal (June 8, 2015). It makes
    no mention of the consent order. And the consent order, as a distinct
    final judgment, was not a subsidiary order. That is fatal. An order not
    identified in the notice of appeal falls beyond our appellate jurisdiction.
    And the failure to identify an order is a non-waivable (jurisdictional)
    defect.2
    ¶ 107 “[T]he object of a notice of appeal is to advise the opposite
    party that an appeal has been taken from a specific judgment in a
    particular case. Respondent is entitled to know specifically which
    judgment is being appealed.” Jensen v. Intermountain Power Agency, 
    1999 UT 10
    , ¶ 7, 
    977 P.2d 474
    (quoting Nunley v. Stan Katz Real Estate, Inc.,
    
    388 P.2d 798
    , 800 (Utah 1964)). We decline to disregard this rule of
    appellate procedure in this case. Accordingly, we do not review the
    order adjudicating C.C.’s consent under ICWA because E.T. did not
    raise a rule 60(b) challenge to this order below and likewise did not
    identify this order in his notice of appeal.
    ¶ 108 We see no basis for the notion of a free-ranging duty to
    search the record to “ensure” that an adoption case is “as free as
    possible” from any “defects” we deem “fatal.” Supra ¶ 1. That premise
    runs counter to our settled rules of appellate procedure, which are
    rooted in the adversary system. Our law leaves it to the parties to
    identify legal deficiencies undermining the legality or finality of a
    judgment rendered in a collateral matter. Under our longstanding rules
    the appellant bears the burden of identifying any and all orders being
    challenged on appeal.
    2 See Jensen v. Intermountain Power Agency, 
    1999 UT 10
    , ¶¶ 6–9,
    
    977 P.2d 474
    (notice of appeal must identify orders for review, orders
    not identified are beyond the jurisdiction of the court to review);
    Holbrook v. Hodson, 
    466 P.2d 843
    , 845 (Utah 1970) (untimely notice of
    appeal is a defect in appeal requiring dismissal); Utah Down Syndrome
    Found., Inc. v. Utah Down Syndrome Ass’n, 
    2012 UT 86
    , ¶ 13, 
    293 P.3d 241
    (non-parties have no appeal of right).
    59
    Adoption of B.B.
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    ¶ 109 We follow that pattern here. We hold that the consent order
    in question is not properly presented for our review because it was not
    identified in the notice of appeal.
    ¶ 110 The effects of the lead opinion’s contrary conclusion would
    be substantial. In proposing the reversal of an order not identified in
    the notice of appeal and the sua sponte reconsideration of factual and
    legal conclusions underpinning a final judgment, the lead opinion
    would undermine the rights of a party who has not been heard at any
    point in the proceedings on appeal (C.C.). To our knowledge, C.C. has
    not received any notice that the termination order is under review on
    appeal. And were the lead opinion’s decision to control, we have no
    reason to believe that C.C. would receive formal notice that her rights
    had been reinstated by the lead opinion’s proposed vacatur of the
    termination order. This would be deeply problematic—and an apparent
    violation of C.C.’s right to procedural due process.
    ¶ 111 The proposal to disregard our settled rules of appellate
    procedure would come at a cost to the legitimacy of our judicial system.
    It would also threaten the certainty and predictability that are essential
    to a well-functioning adoption system.
    ¶ 112 Justice Himonas’s approach would inject uncertainty of an
    indefinite duration into the lives of those who place their children for
    adoption. This uncertainty is wide-ranging. A mother who consents to
    an adoption would never be certain that the child’s placement would
    be final. She would be left with the risk that a court might peer down
    long after judgment has become final and identify an error missed by
    the district court, counsel, and all parties.
    ¶ 113 Under Justice Himonas’s approach, such a mother need not
    even receive notice that the validity of her consent is being reviewed.
    Yet there would always be the possibility that lives might be turned
    upside down by a judicial decision vacating consent and re-imposing
    the obligations of parenthood. This would be more than unfair. It
    would be fundamentally at odds with our adoption statute. See UTAH
    CODE § 78B-6-102(5)(b) (“[A]n unmarried mother, faced with the
    responsibility of making crucial decisions about the future of a
    newborn child, is entitled to privacy, and has the right to make timely
    and appropriate decisions regarding her future and the future of the
    child, and is entitled to assurance regarding the permanence of an
    adoptive placement.”).
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    ¶ 114 Justice Himonas’s approach would also jeopardize the
    security and reliance interests of adoptive children and adoptive
    parents.3 We do not positively countenance C.C.’s conduct in this case.
    But the lead opinion’s proposal to cast aside settled rules of law
    governing appellate procedure would impact more than this case. It
    would disrupt a system that, while imperfect, is carefully tailored to
    protect the interests in certainty and finality of all persons who come
    before our courts.
    ¶ 115 This would be deeply problematic. In the field of adoption,
    clear legal rules, finality, and certainty align with the best interests of
    children. See UTAH CODE § 78B-6-102(5)(a). And all of those principles
    are undermined by the lead opinion’s proposal to sua sponte reconsider
    the validity of the order accepting C.C.’s consent and terminating her
    parental rights.
    B. Invalid Consent Under ICWA Section 1913 Is Not Void Ab Initio
    ¶ 116 Justice Himonas seeks to avoid the finality of the consent and
    termination order by concluding that a violation of section 1913 renders
    an untimely consent void ab initio. See supra ¶¶ 31–32, 44. But that
    conclusion is inconsistent with the text of the statute and with settled
    case law.
    ¶ 117 Section 1913(a) states that “[a]ny consent given prior to, or
    within ten days after, birth of the Indian child shall not be valid.”
    25 U.S.C. § 1913(a). In isolation, this language does not answer the
    critical question—whether parties may waive an objection to a defect in
    3   See, e.g., UTAH CODE § 78B-6-102(5)(a) (identifying the state’s
    “compelling interest” in both “providing stable and permanent homes
    for adoptive children in a prompt manner” and “preventing the
    disruption of adoptive placements”); 
    id. § 78B-6-102(5)(c)
    (finding that
    “adoptive children have a right to permanence and stability in adoptive
    placements”); Wells v. Children’s Aid Soc. of Utah, 
    681 P.2d 199
    , 203 (Utah
    1984) (“The state has a strong interest in speedily identifying those
    persons who will assume the parental role over [adoptive] children, not
    just to assure immediate and continued physical care but also to
    facilitate early and uninterrupted bonding of a child to its parents. . . .
    To serve its purpose for the welfare of the child, a determination that a
    child can be adopted must be final as well as immediate.”), abrogated on
    other grounds by In re Adoption of J.S., 
    2014 UT 51
    , 
    358 P.3d 1009
    .
    61
    Adoption of B.B.
    Lee, A.C.J., Opinion of the Court in part
    the timing of consent by failing to timely challenge it. But section 1914
    provides strong evidence that any defect in ICWA compliance is subject
    to waiver. It provides that “[a]ny Indian child . . . , any parent or Indian
    custodian . . . , and the Indian child’s tribe may petition any court of
    competent jurisdiction to invalidate such action upon a showing that
    such action violated any provision of sections 1911, 1912, and 1913 of
    this title.” 
    Id. § 1914.
    The permissive “may petition” clearly implies a
    choice—to petition or not. To give meaning to that choice, the statute
    cannot be interpreted to void orders that have not been challenged
    under section 1914. The term “invalidate” also carries a negative
    implication. It suggests that unless a party affirmatively challenges a
    proceeding’s compliance with ICWA section 1913, the consent and
    resulting termination order are valid.
    ¶ 118 This conclusion is consistent with case law in other
    jurisdictions.4 A few courts have held that section 1914 preempts rules
    governing preservation. But no court has ever raised an ICWA consent
    issue sua sponte.5 Surely it is even more problematic to reconsider a
    consent order not identified in the notice of appeal.6
    ¶ 119 Where, as here, a district court expressly holds that its order
    complies with ICWA requirements, the courts have held that the
    time to challenge that determination under section 1914 expires upon
    the running of the time for an appeal. See In re Adoption of A.B., 
    2010 UT 55
    , ¶¶ 22–25, 
    245 P.3d 711
    ; cf. Kiowa Tribe of Okla. v. Lewis, 
    777 F.2d 587
    ,
    592 (10th Cir. 1985) (“We cannot read § 1914’s reference to ‘any court of
    competent jurisdiction’ as the type of clear and manifest authorization
    4 See, e.g., In re of Petition of Phillip A.C., 
    149 P.3d 51
    , 60 n.44 (Nev.
    2006) (noting that “a voluntary proceeding that violates § 1913(a) is
    merely voidable, not automatically void”); In re Adoption of Erin G., 
    140 P.3d 886
    , 892–94 (Alaska 2006) (holding that section 1914 challenge was
    subject to state statute of limitations).
    5 See generally In re Enrique P., 
    709 N.W.2d 676
    , 684–90 (Neb. Ct.
    App. 2006) (collecting ICWA cases raising challenges under section
    1914).
    6 Henry M. v. Ariz. Dep’t of Econ. Sec., No. 2 CA-JV 2011-0146, 
    2012 WL 2859979
    , at *3–4 (Ariz. Ct. App. July 12, 2012) (declining to review
    an ICWA compliance issue under section 1914 where the order was not
    identified in the notice of appeal).
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                    Lee, A.C.J., Opinion of the Court in part
    that federal courts need before they upset the ordinary principles of
    federal-state comity embodied in 28 U.S.C. § 1738 and the Full Faith
    and Credit Clause. It seems rather to state simply where such actions
    may initially be brought. Regardless of whether we agree with the
    Kansas Supreme Court’s construction of the ICWA, here we must honor
    the judgment it has rendered on the subject.” (emphasis added)).
    ¶ 120 Accordingly, we hold that violations of ICWA subject to
    challenge under section 1914 do not render those actions void ab initio.
    Justice Himonas’s contrary conclusion is not just unprecedented; it
    would threaten the interests of the very population ICWA was
    intended to protect. By voiding an action not challenged by the Indian
    child, his mother, putative father, or his tribe, the lead opinion would
    slight the autonomy of the stakeholders Congress empowered by
    enacting section 1914. That smacks of paternalism. And it would
    disrupt finality and inject greater uncertainty into already complicated
    proceedings—at great cost to all involved. See supra ¶¶ 111–15.
    C. Consent to Adoption Is Not Jurisdictional
    ¶ 121 Even if a violation of section 1913 rendered consent void ab
    initio, we find no basis for the majority’s conclusion that a defect in
    consent deprives a district court of subject-matter jurisdiction. The
    concept of subject-matter jurisdiction encompasses (a) statutory limits
    on the “authority of the court to adjudicate a class of cases,” Johnson v.
    Johnson, 
    2010 UT 28
    , ¶ 10, 
    234 P.3d 1100
    ; and (b) timing and other limits
    on the “justiciability” of the proceeding before the court (such as
    standing, ripeness, and mootness), see Carlton v. Brown, 
    2014 UT 6
    ,
    ¶¶ 29–30, 
    323 P.3d 571
    . In extending the principle of subject-matter
    jurisdiction to include a mere legal prerequisite to the issuance of an
    order granting the relief sought by the plaintiff, the lead opinion would
    unsettle our law and open the door to any of a wide range of issues
    being injected sua sponte by the court—or by a party long after a case is
    otherwise finally decided.
    ¶ 122 In opening the door to reconsider the legal basis for an order
    that our law deems final and jurisdictionally insulated from review, the
    lead opinion would threaten the principles of efficiency and finality at
    the heart of our adoption system. And its novel conception of subject-
    matter jurisdiction would sow the seeds of uncertainty that would
    threaten the finality of cases in other fields as well.
    ¶ 123 The adoption cases cited by Justice Himonas are all
    distinguishable on grounds mentioned above. Supra ¶ 121. None of
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    Adoption of B.B.
    Lee, A.C.J., Opinion of the Court in part
    them supports the lead opinion’s novel theory. The cited Utah cases, see
    supra ¶ 25, are also distinguishable. Those cases go to a principle of
    justiciability and the propriety of a case being heard in a particular
    forum at a particular time (before a governmental entity has a chance to
    rule on a notice of claim, or before a party exhausts administrative
    avenues for relief). That is not at all what is at issue here. So the lead
    opinion’s view does not follow from existing cases. The lead opinion
    would open up a broad new category of subject-matter jurisdictional
    issues that would undermine the efficient operation of our justice
    system and the finality of our judgments for years to come.
    ¶ 124 We accordingly reject the notion that any defect in the timing
    of the mother’s consent deprived the district court of subject-matter
    jurisdiction. The timeliness of the entry of consent under ICWA has
    nothing to do with subject-matter jurisdiction as that term is
    understood in our law. Valid consent is just one of many statutory
    prerequisites to the issuance of a valid adoption decree. See UTAH CODE
    §§ 78B-6-101 et seq. (identifying a host of statutory requirements for the
    issuance of an adoption in varying circumstances). And a deficiency in
    this or any other prerequisite falls outside the traditional scope of
    subject-matter jurisdiction.
    1. Theory
    ¶ 125 The notion of “jurisdiction” is a slippery one.7 This is a word
    that means different things in different circumstances. Sometimes it is
    used to characterize the scope of a court’s power to issue a certain form
    of relief.8 In that sense we may speak of a court lacking “jurisdiction” to
    7 See, e.g., Steel Co. v. Citizens for a Better Env’t, 
    523 U.S. 83
    , 90 (1998)
    (quoting United States v. Vanness, 
    85 F.3d 661
    , 663 n.2 (D.C. Cir. 1996)
    (“‘Jurisdiction,’ it has been observed, ‘is a word of many, too many,
    meanings . . . .’”)); Chen v. Stewart, 
    2004 UT 82
    , ¶ 35, 
    100 P.3d 1177
    (“Jurisdiction is ‘a many-hued term.’”), abrogated on other grounds by
    State v. Nielsen, 
    2014 UT 10
    , 
    326 P.3d 645
    .
    8 See, e.g., Bank of Am., N.A. v. Kuchta, 
    21 N.E.3d 1040
    , 1046 (Ohio
    2014) (“A court’s jurisdiction over a particular case refers to the court’s
    authority to proceed or rule on a case that is within the court’s subject-
    matter jurisdiction. This latter jurisdictional category involves
    consideration of the rights of the parties. If a court possesses subject-
    matter jurisdiction, any error in the invocation or exercise of
    (cont.)
    64
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                     Lee, A.C.J., Opinion of the Court in part
    award relief that is precluded by the substantive law under the facts of
    a particular case. And we may identify legal preconditions to the
    availability of such relief as bars on the exercise of a court’s
    “jurisdiction.”9
    ¶ 126 Another conception of “jurisdiction” goes to the territorial
    authority of the court that issues a decision. This is the notion of
    personal jurisdiction. It may be invoked in a case in which a judgment is
    entered against a party lacking in a sufficient connection to the state in
    which the court sits.10 This is another instance in which we may speak
    jurisdiction over a particular case causes a judgment to be voidable
    rather than void.” (citation omitted)).
    9  See, e.g., Commonwealth v. Steadman, 
    411 S.W.3d 717
    , 724 (Ky. 2013)
    (“[T]he questions Steadman has raised do not go to subject-matter
    jurisdiction and instead concern only whether the trial court had
    particular-case jurisdiction. Or, more precisely, as ‘challenges to [the
    trial court’s] subsequent rulings and judgment,’ they ‘are questions
    incident to the exercise of jurisdiction rather than to the existence of
    jurisdiction.’ In other words, they are allegations of pure legal error and
    not of a failure of the court’s power to act at all. And particular-
    case jurisdiction is subject to waiver.” (alterations in original) (citation
    omitted)); In re Adoption of M.A., 
    930 A.2d 1088
    , 1091 (Me. 2007)
    (reversing a district court’s dismissal of an adoption case for lack of
    subject-matter jurisdiction and distinguishing authority to issue an
    adoption under the governing statute from subject-matter jurisdiction
    which is determined solely on the basis of whether the case is within
    the class of cases over which a court has authority); Heath v. W.C.A.B.
    (Pa. Bd. of Prob. & Parole), 
    860 A.2d 25
    , 29 (Pa. 2004) (“[W]e have no
    quarrel with the Commonwealth Court’s asking sua sponte whether the
    ‘personal animus’ exception implicated its subject matter jurisdiction.
    Rather, we disagree with the Commonwealth Court’s ultimate
    conclusion that the exception is indeed jurisdictional. . . . [W]e
    determine whether the court had power to enter upon the inquiry, not
    whether it might ultimately decide that it was unable to grant the relief
    sought in the particular case.” (citation omitted) (internal quotation
    marks omitted)).
    10E.g., Fenn v. Mleads Enters., Inc., 
    2006 UT 8
    , ¶ 10, 
    137 P.3d 706
    (“[A]
    Utah state court may assert specific personal jurisdiction over a foreign
    defendant only if (1) the defendant has minimum contacts with Utah
    (cont.)
    65
    Adoption of B.B.
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    of a court lacking “jurisdiction” to enter an award against a particular
    party.
    ¶ 127 Yet neither of these notions of jurisdiction goes to a court’s
    subject-matter jurisdiction. Both of these forms of jurisdiction, moreover,
    are subject to the rules of preservation and waiver. A failure to raise
    them at the appropriate time results in a forfeiture of the issue. 11 It is
    accordingly improper for a court to raise these “jurisdictional” matters
    sua sponte.
    ¶ 128 Subject-matter jurisdiction is special. It is distinct from other
    notions of jurisdiction in that we require our courts to consider such
    issues sua sponte, or in other words we do not allow the parties to waive
    or forfeit them from consideration.12 The distinction is crucial, as it cuts
    and (2) the assertion of jurisdiction would not offend the traditional
    notions of fair play and substantial justice.”).
    11See, e.g., State v. All Real Prop., Residence & Appurtenances, 
    2005 UT 90
    , ¶¶ 8–11, 
    127 P.3d 693
    (holding that a failure to raise an objection to
    personal jurisdiction or defective notice at first opportunity in a
    proceeding results in waiver or forfeiture of the claim); State v. Holgate,
    
    2000 UT 74
    , ¶ 11, 
    10 P.3d 346
    (“As a general rule, claims not raised
    before the trial court may not be raised on appeal.”).
    12 See, e.g., Petersen v. Utah Bd. of Pardons, 
    907 P.2d 1148
    , 1151 (Utah
    1995) (“[S]ubject matter jurisdiction is an issue that can and should be
    addressed sua sponte when jurisdiction is questionable.”); see also
    
    Steadman, 411 S.W.3d at 722
    (recognizing that subject-matter
    jurisdiction cannot be waived or forfeited); 
    Heath, 860 A.2d at 29
    (“We
    begin with the well-established principle that subject matter jurisdiction
    is a question that is not waivable and may be raised by a court on its
    own motion.”); Estate of Brown, 
    402 S.W.3d 193
    , 198–99 (Tenn. 2013)
    (distinguishing subject-matter jurisdiction, which cannot be waived,
    from other statutory prerequisites to relief like a statute of limitations,
    which may be waived or forfeited); Bd. of Supervisors of Fairfax Cty. v.
    Bd. of Zoning Appeals of Fairfax Cty., 
    626 S.E.2d 374
    , 379 (Va. 2006)
    (identifying the “fundamental distinction between the element of
    subject matter jurisdiction and the other jurisdictional elements” as the
    inability of this issue to be waived or forfeited and a court’s obligation
    to raise it sua sponte (citation omitted) (internal quotation marks
    omitted)); CSC Grp. Holdings, LLC v. Automation & Elecs., Inc., 368 P.3d
    (cont.)
    66
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                     Lee, A.C.J., Opinion of the Court in part
    at the heart of our adversary system. If an issue is subject-matter
    jurisdictional, the general rules of finality and preservation are off the
    table. So for each such issue we undermine the premises of efficiency,
    speedy resolution, and finality that generally undergird our justice
    system.
    ¶ 129 That is why our law has been careful to cabin the notion of
    subject-matter jurisdiction.13 We limit this concept carefully because an
    302, 307 (Wyo. 2016) (“[Subject-matter jurisdiction] cannot be created or
    destroyed by procedural irregularities, such as, for example, a defect in
    the process by which intervention effectively adds a new party to a
    case. The rules of civil procedure cannot extend or limit subject matter
    jurisdiction, even though such rules may establish the proper method
    of invoking the jurisdiction of the court in particular cases. A court’s
    subject matter jurisdiction lies dormant until it is called upon to
    exercise it by some sort of initiating procedural mechanism, such as a
    pleading, complaint, or information. At that point, the court ‘acquires
    jurisdiction’ in the limited sense of procedurally having the authority to
    proceed and exercise its subject matter jurisdiction in a particular case.
    Consequently, a failure to adhere to the requirements governing the
    proper nature and filing of such case-initiating documents, even to the
    extent they may be characterized as substantive requirements, will not
    necessarily deprive a court of subject matter jurisdiction.” (citation
    omitted)).
    13  See In re Adoption of Baby E.Z., 
    2011 UT 38
    , ¶¶ 31–34, 
    266 P.3d 702
    ;
    Johnson, 
    2010 UT 28
    , ¶¶ 9–10; In re Estate of McLaughlin, 
    754 P.2d 679
    ,
    681–82 (Utah Ct. App. 1988). This is by no means a unique feature of
    Utah law. Courts far and wide have long cabined the concept of
    subject-matter jurisdiction in this way. See, e.g., Reed Elsevier, Inc. v.
    Muchnick, 
    559 U.S. 154
    , 160–61 (2010) (“‘Jurisdiction’ refers to a court’s
    adjudicatory authority. Accordingly, the term ‘jurisdictional’ properly
    applies only to prescriptions delineating the classes of cases (subject-
    matter jurisdiction) and the persons (personal jurisdiction) implicating
    that authority.” (citation omitted) (internal quotation marks omitted));
    Amodio v. Amodio, 
    724 A.2d 1084
    , 1086 (Conn. 1999) (“Answering this
    certified question requires us to review the distinction between a trial
    court’s ‘jurisdiction’ and its ‘authority to act’ under a particular statute.
    Subject matter jurisdiction involves the authority of a court to
    adjudicate the type of controversy presented by the action before it.”
    (cont.)
    67
    Adoption of B.B.
    Lee, A.C.J., Opinion of the Court in part
    (citation omitted) (internal quotation marks omitted)); Cunningham v.
    Standard Guar. Ins. Co., 
    630 So. 2d 179
    , 181 (Fla. 1994) (“[S]ubject-matter
    jurisdiction concerns the power of the trial court to deal with a class of
    cases to which a particular case belongs. Stated differently:
    ‘Jurisdiction,’ in the strict meaning of the term, as applied to judicial
    officers and tribunals, means no more than the power lawfully existing
    to hear and determine a cause. It is the power lawfully conferred to
    deal with the general subject involved in the action. It does not depend
    upon the ultimate existence of a good cause of action in the plaintiff, in
    the particular case before the court. It is the power to adjudge
    concerning the general question involved, and is not dependent upon
    the state of facts which may appear in a particular case.”) (citation
    omitted) (internal quotation marks omitted)); Troupis v. Summer, 
    218 P.3d 1138
    , 1140–41 (Idaho 2009) (“Jurisdiction over the subject matter is
    the right of the court to exercise judicial power over that class of cases;
    not the particular case before it, but rather the abstract power to try a
    case of the kind or character of the one pending; and not whether the
    particular case is one that presents a cause of action, or under the
    particular facts is triable before the court in which it is pending, because
    of some of the inherent facts that exist and may be developed during
    trial.” (citation omitted) (internal quotation marks omitted)); McCormick
    v. Robertson, 
    28 N.E.3d 795
    , 802 (Ill. 2015) (“So long as a claim meets the
    requirements for justiciability, it will be sufficient to invoke the court’s
    subject matter jurisdiction, even if the claim is defectively stated. The
    only consideration is whether it falls within the general class of cases
    that the court has the inherent power to hear and determine. If it does,
    then subject matter jurisdiction is present.” (emphasis in original)
    (citation omitted)); Holding v. Franklin Cty. Zoning Bd. of Adjustment, 
    565 N.W.2d 318
    , 319 (Iowa 1997) (“For several years we have sought to
    correct a formerly widespread misimpression that often confused a
    court’s lack of subject matter jurisdiction with a court’s lack of authority
    to act in a particular matter. . . . We hope the distinction is now clear as
    it is important: the term subject matter jurisdiction refers to the power
    of a court to hear and determine the class of cases to which the
    proceedings in question belong. Where subject matter jurisdiction
    exists, it does not necessarily follow that a court has authority to act in a
    specific case included within that general class.”); Duvall v. Duvall, 
    80 So. 2d 752
    , 754 (“Jurisdiction of the subject matter is the power of the
    court to hear and determine cases of the general class to which the
    (cont.)
    68
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    expansive notion of subject-matter jurisdiction will undermine the basic
    premises of our justice system. And that is why the law has long
    defined the concept of subject-matter jurisdiction to consist of the two
    categories noted above—statutory limits on the class of cases assigned
    to the authority of a certain court, and other limits that go to the
    concept of justiciability.
    ¶ 130 These principles are well-embedded in our law. And cases in
    Utah and elsewhere have long warned of the perils of expanding these
    categories to encompass mere preconditions to the availability of a
    particular form of judicial relief.14 We heed that warning here. We do
    particular case belongs. . . . But if a court has jurisdiction of the subject
    matter, it has the power to decide the case according to its own view of
    the law and the facts; the test of jurisdiction is whether the court has the
    right to enter on the inquiry, and not whether its methods were regular,
    its findings right, or its conclusions according to law.”), overruled on
    other grounds, 
    81 So. 2d 695
    (Miss. 1955); In re Expungement of Arrest
    Records Related to Brown v. State, 
    226 S.W.3d 147
    , 150 (Mo. 2007)
    (“Subject matter jurisdiction is a tribunal’s statutory authority to hear a
    particular kind of claim. The court must have cognizance of the class of
    cases to which the one to be adjudged belongs. The failure to
    distinguish between the erroneous exercise of jurisdiction and the want
    of jurisdiction is a fruitful source of confusion and errancy of decision.”
    (citation omitted) (internal quotation marks omitted)).
    14 We have routinely rebuffed attempts by litigants to recast merits
    arguments as issues of subject-matter jurisdiction. See, e.g., Johnson, 
    2010 UT 28
    , ¶ 10 (warning that “[b]ecause parties can raise subject matter
    jurisdiction at any time during a proceeding, it makes sense to cabin the
    issues that fall under the category” and rejecting just such an attempt in
    the divorce context); Chen, 
    2004 UT 82
    , ¶ 36 (concluding that the parties
    had mischaracterized a merits claim as an issue of subject-matter
    jurisdiction in an effort to avoid waiver). The same is true in other
    jurisdictions. See, e.g., In re Adoption of D.P.P., 
    158 So. 3d 633
    , 636–37
    (Fla. Dist. Ct. App. 2014) (“We disagree with the lower court’s
    determination concerning subject matter jurisdiction in the adoption
    proceeding. A court has subject matter jurisdiction when it has the
    authority to hear and decide the case. . . . Because the finality of
    judgments is favored, it is well established that errors, irregularities
    and even wrongdoing in the proceeding do not render a judgment void
    (cont.)
    69
    Adoption of B.B.
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    not treat a defect in a birth mother’s consent as a defect in an adoption
    court’s subject-matter jurisdiction.
    ¶ 131 Clearly our district courts have the statutory authority to
    issue an adoption decree. UTAH CODE § 78A-5-102(1); 
    id. § 78B-6-105;
    In
    re Adoption of Baby E.Z., 
    2011 UT 38
    , ¶ 34, 
    266 P.3d 702
    (“Utah district
    courts clearly have subject matter jurisdiction over adoption
    proceedings as a class of cases.”). Because there are no grounds for
    questioning the justiciability of this proceeding (no standing, ripeness,
    or mootness problem),15 moreover, we find that there is no subject-
    matter jurisdictional issue presented by this case.
    when the court has jurisdiction and the parties had an opportunity to
    be heard.”); 
    Troupis, 218 P.3d at 1140
    (“Subject matter jurisdiction is a
    key requirement for the justiciability of a claim and cannot be waived
    by consent of the parties. Because of the serious ramifications of a court
    acting without subject matter jurisdiction, namely that the judgments of
    that court are void, the concept must be clearly defined.” (citation
    omitted)); Najera v. Chesapeake Div. of Soc. Servs., 
    629 S.E.2d 721
    , 723 (Va.
    Ct. App. 2006) (“Whether a judicial order can be attacked as void turns
    on the subtle, but crucial, difference between the power of a court to
    adjudicate a specified class of cases, commonly known as ‘subject
    matter jurisdiction,’ and the authority of a court to exercise that power
    in a particular case. This distinction guards against the faux elevation of
    a court’s failure to comply with the requirements for exercising its
    authority to the same level of gravity as a lack of subject matter
    jurisdiction. In making that distinction, we focus on the statutory
    language delegating power to the courts to decide the issue and the
    legislative design it reveals.” (citation omitted) (internal quotation
    marks omitted)).
    15 Justice Himonas disagrees. He asserts that without valid consent
    “there is no justiciable matter and therefore nothing for the district
    court to exercise jurisdiction over.” Supra ¶ 20. But this is just a
    restatement of the lead opinion’s proposed holding. Justice Himonas
    offers no support for the proposition that a failure of consent—the
    failure of a mere precondition to the issuance of certain relief—is a
    matter that goes to “justiciability.” And it certainly does not. Or, more
    properly, if it does then the exception has swallowed the rule, and any
    (cont.)
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    2. Cases on Adoption and Jurisdiction
    ¶ 132 Justice Himonas claims to find support for his contrary
    conclusion in a line of adoption cases in other states. Those cases, in his
    view, establish the well-settled general rule that courts lack subject-
    matter jurisdiction over adoption proceedings predicated on invalid
    consent. See supra ¶ 30 n.10. Justice Himonas also proffers support for
    his analysis in Utah precedent—in this court’s decision in Deveraux’
    Adoption v. Brown, 
    268 P.2d 995
    (Utah 1954), and in cases requiring a
    notice of claim under the Governmental Immunity Act and the
    exhaustion of administrative remedies as prerequisites to jurisdiction.
    See supra ¶ 25. Yet none of the cited cases supports the lead opinion’s
    framework. Here, a court rendered a final judgment that C.C.’s consent
    was valid and complied with ICWA. And no one has challenged that
    final judgment—either via direct appeal or collateral attack. No court
    that we are aware of—and Justice Himonas cites none—has ever
    revisited the factual or legal underpinnings of a mother’s consent
    sua sponte in a subsequent proceeding.
    ¶ 133 All of the cases cited by Justice Himonas are distinguishable.
    First, nearly all of them fit within the two categories of subject-matter
    jurisdiction identified above. And the few that do not fit this paradigm
    bear no resemblance to the facts of this case, as they involve statutory
    prerequisites to jurisdiction that are not present in our code.
    ¶ 134 Justice Himonas’s cases generally fall into three categories. In
    one category the courts are simply stating that a defect in a mother’s
    consent is a legal barrier to the issuance of an adoption order.16 No one
    legal defect in a court’s decision goes to “justiciability” (and must be
    raised sua sponte and may be considered at any time).
    16 See, e.g., L.T. v. W.L., 
    159 So. 3d 1289
    , 1291 (Ala. Civ. App. 2014)
    (vacating adoption on biological mother’s petition to set aside
    judgment because Alabama statute requires that minors be represented
    by a guardian ad litem prior to giving consent; finding lack of
    jurisdiction to issue the adoption decree because mother, a minor at the
    time, was not represented by a guardian ad litem at any point in the
    proceedings); Westerlund v. Croaff, 
    198 P.2d 842
    , 845 (Ariz. 1948) (noting
    that district court had concluded that father was unwilling to consent
    and that his consent was required; concluding that writ of prohibition
    was appropriate to enjoin further adoption proceedings); Arnold v.
    (cont.)
    71
    Adoption of B.B.
    Lee, A.C.J., Opinion of the Court in part
    doubts that conclusion. A birth mother’s consent is undeniably a
    prerequisite to the issuance of an adoption decree. And in that sense it
    can certainly be said that the court lacks “jurisdiction” to issue an
    adoption decree. Yet these holdings appear in cases in which the birth
    parent appears and challenges the validity of the consent. So they tell us
    nothing useful about the question presented here—which is whether a
    failure of consent is a subject-matter jurisdictional defect that can be
    raised by the court sua sponte.17
    ¶ 135 Other cases cited in the lead opinion rest on principles of
    personal jurisdiction. In these cases courts have allowed a collateral
    Howell, 
    219 P.2d 854
    , 858 (Cal. Dist. Ct. App. 1950) (setting aside
    adoption on the ground that consent was obtained by fraud, noting that
    consent is a jurisdictional prerequisite in the sense that it is a basis for
    setting aside an adoption where the issue is raised by a party); In re
    Adoption of List, 
    211 A.2d 870
    , 873–74 (Pa. 1965) (using the term
    “jurisdiction” and “jurisdictional” to identify statutory requirements
    for adoption and identifying a “presumption of [the adoption decree’s]
    validity and regularity and an implication . . . that the court did find the
    necessary facts and did perform all the steps essential to the jurisdiction
    of the court” and placing the “burden . . . on the person attacking an
    adoption decree to establish its invalidity by clear and convincing
    evidence”).
    17 See In re JWT, 
    104 P.3d 93
    , 94 (Wyo. 2005) (distinguishing a failure
    to file all of the statutorily required documents with the adoption
    petition—a Wyoming statutory precondition to suit that if not followed
    will void the proceedings “ab initio”—from “a case where mother file[s]
    a false affidavit” which [on its face meets the statutory requirements],
    concluding that where the necessary documents are filed—albeit
    falsely—“the district court might have . . . jurisdiction to proceed with
    the adoption”); McGinty v. Jewish Children’s Bureau, 
    545 N.E.2d 1272
    ,
    1275 (Ohio 1989) (per curiam) (rejecting a habeas petition challenging
    the court’s subject-matter jurisdiction to issue an adoption where there
    was an alleged defect in consent; concluding that “once a final
    determination has been made that the parents validly consented to the
    adoption, that determination removes the basis for a habeas corpus
    attack on the ground that the court ordering the adoption lacked
    subject matter jurisdiction”).
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                    Lee, A.C.J., Opinion of the Court in part
    attack on a final order by a birth parent whose connection to or notice
    from the forum state was constitutionally defective.18 Occasionally the
    courts have offhandedly referred to such a defect as going to subject-
    matter jurisdiction.19 But, confusing terminology aside, this is decidedly
    18 G.M.D. v. M.D., 
    610 S.W.2d 305
    , 307 (Mo. Ct. App. 1980) (vacating
    adoption on petition of parent whose consent was required and who
    had not been given adequate notice of the proceedings); In re Jackson, 
    28 P.2d 125
    , 129 (Nev. 1934) (same); In re Holder, 
    10 S.E.2d 620
    , 622 (N.C.
    1940) (vacating adoption on petition from brother and legal heir of
    deceased biological mother on several grounds, including that the
    biological mother’s consent was required and she had not been given
    notice of the adoption proceedings and that the adoption order was
    never signed by the court); Adoption of Robin, 
    571 P.2d 850
    , 856 (Okla.
    1977) (setting aside an adoption on petition of a biological father whose
    consent was required for the issuance of an adoption and who was
    deprived of due process by the adoptive parents’ fraud on the court
    and finding that birth mother’s consent was obtained by fraud and
    duress); Hughes v. Aetna Cas. & Sur. Co., 
    383 P.2d 55
    , 60 (Or. 1963)
    (granting biological child’s petition declaring him the legal heir of his
    deceased mother where the biological mother was not given notice of
    the adoption proceedings nor was her consent obtained and no
    exception to such requirement was satisfied).
    19 C.T. v. J.S., 
    951 P.2d 1199
    , 1200 (Alaska 1998) (using the term
    subject-matter jurisdiction but reasoning only that the lower court
    ruling that mother was estopped from refusing consent was in error
    and reversing adoption on that basis); 
    G.M.D., 610 S.W.2d at 307
    (mentioning the term subject-matter jurisdiction in stating the rule 60(b)
    standard but making no reference to it thereafter in assessing the
    validity of a challenge raised by biological mother—not by the court
    sua sponte); In re 
    Holder, 10 S.E.2d at 622
    (using the terminology of
    subject-matter jurisdiction in reference to the fact that “neither parent
    was made a party” to the adoption proceeding); In re Adoption of L.D.S.,
    
    155 P.3d 1
    , 8 (Okla. 2006), as supplemented on reh’g, No. 250 (Mar. 6,
    2007) (holding district court was divested of jurisdiction during
    pendency of appeal and voiding adoption issued during the time when
    the district court lacked jurisdiction on account of a pending appeal);
    
    Hughes, 383 P.2d at 60
    –63 (using the term subject-matter jurisdiction in
    (cont.)
    73
    Adoption of B.B.
    Lee, A.C.J., Opinion of the Court in part
    not a matter of subject-matter jurisdiction. The lack of notice or
    connection to the forum goes to personal or territorial jurisdiction. And
    that sort of jurisdiction has long been understood as subject to the law
    of preservation and waiver—in that a failure to raise a personal
    jurisdiction defense at the first opportunity results in a forfeiture, and
    the matter is not the court’s to raise.20
    ¶ 136 Justice Himonas also cites a few cases where the states’
    adoption statutes require that specific documents be filed
    simultaneously with the petition for adoption as a precondition to the
    court’s acquisition of subject matter jurisdiction over the case.21 Even
    under this third category of cases, jurisdiction is determined as of the
    the context of a case that turned on the failure of the adoption court to
    give notice to the biological mother of the adoption proceeding).
    20 See, e.g., All Real Prop., Residence & Appurtenances, 
    2005 UT 90
    , ¶ 10
    (holding that a failure to raise an objection to personal jurisdiction or
    defective notice at first opportunity in a proceeding results in waiver or
    forfeiture of the claim).
    21  In re I.H.H-L., 
    251 P.3d 651
    , 656–57 (Kan. Ct. App. 2011)
    (interpreting the Kansas adoption statute to require attachment of
    consent to the petition as a precondition to a court’s jurisdiction to hear
    an adoption petition and concluding failure to do so precluded the
    district court from acquiring subject-matter jurisdiction over the
    adoption but also rejecting a rule where “subject matter jurisdiction
    could fluctuate moment to moment” and embracing the federal rule
    that subject-matter jurisdiction is determined at the time of filing of the
    complaint); In re Adoption of Kassandra B., 
    540 N.W.2d 554
    , 559 (Neb.
    1995) (“The fact that the statute is phrased in the past tense indicates
    that the requisite consents should be obtained prior to filing the
    petition.”); In re Ralph, 
    710 N.Y.S.2d 500
    , 502–03 (App. Div. 2000)
    (concluding that failure to file complete adoption applications
    precluded the court’s exercise of jurisdiction and dismissing the action);
    In re 
    JWT, 104 P.3d at 94
    (identifying Wyoming statutory requirements
    that required particular documents to be filed “with the petition to
    adopt” and concluding that their absence at the time of filing rendered
    the adoption “invalid ab initio,” but noting that had the documents been
    filed—even if their content were false—jurisdiction might properly be
    found).
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                    Lee, A.C.J., Opinion of the Court in part
    filing of the action. It is not divested by any subsequent interpretive
    error that may arise in the case.
    ¶ 137 Here Justice Himonas does not assert that there was any
    defect in jurisdiction at the time the case was initiated. He couldn’t. By
    statute, our Utah courts are expressly authorized to assume jurisdiction
    over adoption petitions and determine parental rights and consent at
    any time during the proceeding—prior to the issuance of the
    adoption.22 And there is no dispute that the district court did in fact
    terminate C.C.’s rights and determine that no father had established
    rights in the child prior to proceeding on the petition for adoption. See
    Order Allowing Relinquishment of Parental Rights, Terminating Birth
    Mother’s Parental Rights, and Determining Birth Father’s Rights at 2 (Sept.
    25, 2014).
    ¶ 138 The cases cited by Justice Himonas should also be viewed in
    historical perspective. Many of the cited cases are from a bygone era—
    in which adoption was disfavored and the rights of biological parents
    were elevated above the best interests of the child and the interests of
    adoptive parents.23
    22 See UTAH CODE § 78B-6-109(1)–(2) (allowing determination of
    parental rights to occur at any point in an adoption proceeding prior to
    issuance of the adoption); 
    id. § 78B-6-105
    (identifying the filing of an
    adoption petition as the only thing required to initiate an adoption
    proceeding); 
    id. § 78B-6-112(2)(a)
    (authorizing a court to terminate
    parental rights in the adoption proceeding).
    23  See, e.g., 
    Westerlund, 198 P.2d at 843
    –44 (“As adoption is in
    derogation of the common law, generally speaking it may be said that
    adoptive statutes should receive a strict construction, particularly with
    respect to the jurisdiction of the court or where the effect of the
    adoption would be to deprive a natural parent of the possession of his
    child.”); In re 
    Jackson, 28 P.2d at 127
    (“The act of adoption takes a child
    away from its parent by destroying the legal and natural relation
    between them and creating in its stead an artificial relation deemed by
    law to be for the best interests of the child. It is in derogation of the
    common law which regards the natural rights of the parents to be of a
    sacred and enduring character. As the statute confers a special power of
    this kind which may be exerted in opposition to the wishes, or without
    the consent of the parents, it should be strictly construed in their favor.
    (cont.)
    75
    Adoption of B.B.
    Lee, A.C.J., Opinion of the Court in part
    ¶ 139 But these principles have no application to Utah adoption
    law today. Our Utah Adoption Act was enacted in 2008. And in
    enacting this law our legislature made express findings rejecting the
    notion that adoption is disfavored because it disrupts biological family
    ties. See UTAH CODE § 78B-6-102. Our legislature has thus rejected the
    premises underlying many of the cases cited by Justice Himonas. In
    Utah the best interests of the child are paramount. 
    Id. § 78B-6-102(1).
    We also have recognized the fundamental interests of adoptive parents.
    
    Id. § 78B-6-102(5)(d).
    These are other grounds for suspicion of Justice
    Himonas’s reliance on the cited cases.
    ¶ 140 The issue presented in this case, moreover, is quite distinct
    from that presented in the cases cited by the majority. Here we are
    squarely presented with a question regarding subject-matter
    jurisdiction—whether we may consider a potential objection that no
    party has raised and that goes to an order that was rendered final and
    unappealable many months back. The lead opinion’s theory on this
    point is unprecedented. It has cited no authority for the proposal to
    review a final order that determined that valid consent was given and
    that was never challenged by the mother who gave the consent. Indeed,
    the district court’s order was not even challenged by the putative
    father—either below or on appeal. The lead opinion’s view that we
    have authority, indeed an obligation, to review the mother’s consent is
    without support in the cited cases.
    The courts are quite uniform in applying the rule of strict construction
    in favor of the parents’ natural rights in adoption proceedings.”);
    Adoption of 
    Robin, 571 P.2d at 855
    (“Adoption statutes are to be strictly
    construed in favor of the natural parents where the controversy is
    between the natural parents and persons seeking to destroy that
    status.”); 
    Hughes, 383 P.2d at 59
    (“[T]he right of adoption being in
    derogation of the common law, is a special power conferred by statute,
    and the rule is that such statutes must be strictly construed. . . . [T]he
    court in adoption proceedings is exercising a special statutory power
    not according to the course of the common law, and when its decree is
    called in question, even collaterally, no presumptions in favor of
    jurisdiction are indulged, but the facts necessary for jurisdiction must
    appear affirmatively, on the face of the record.” (citation omitted)
    (internal quotation marks omitted)).
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    ¶ 141 Utah law is likewise unhelpful to the lead opinion. The
    Deveraux’ Adoption case is similar to the line of adoption cases cited by
    Justice Himonas.24 Deveraux speaks of a court “never obtain[ing]
    jurisdiction to exercise the power to grant” an adoption in a case in
    which there was a defect in a birth mother’s consent. Deveraux’ Adoption
    v. 
    Brown, 268 P.2d at 998
    . But the Deveraux court’s notion of
    “jurisdiction” goes only to the legal authority of the court to award
    certain relief (to issue an adoption decree). Deveraux had no occasion to
    consider whether a defect in the birth mother’s consent deprived the
    court of subject-matter jurisdiction because the birth mother herself
    intervened in the adoption and “objected that her consent was never
    validly given.” Supra ¶ 21 (citing 
    Deveraux, 268 P.2d at 996
    ). So
    Deveraux likewise tells us nothing of relevance to the matter before us.
    3. Governmental Immunity Act and Administrative Exhaustion
    ¶ 142 That leaves only the governmental immunity and
    administrative exhaustion cases cited by Justice Himonas. The lead
    opinion cites those cases to support its view that “[t]here are often
    prerequisites individual litigants must meet to show that they have
    satisfied the requirements of subject matter jurisdiction even when we
    unquestionably have subject matter jurisdiction over” a general
    category of cases. Supra ¶ 25. We have no quarrel with that general
    proposition. The “categories” of cases over which our courts have
    subject-matter jurisdiction certainly have boundaries to them. And
    litigants must make a case-by-case showing as to whether they fall
    within the relevant boundaries. But that unobjectionable proposition is
    hardly a license for us to treat mere preconditions to the issuance of a
    given type of order as a bar to the exercise of subject-matter
    jurisdiction.
    24  Deveraux likewise suffers from the background principles
    problem. It long predates Utah’s current adoption act. And it identifies
    adoptions as disfavored and fails to mention principles of the best
    interests of the child or the rights of adoptive parents—elevating the
    rights of biological parents above all else. See Deveraux’ Adoption v.
    Brown, 
    268 P.2d 995
    , 997 (Utah 1954).
    77
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    ¶ 143 Conditions that go to subject-matter jurisdiction are clearly
    denominated as such.25 And they are, by necessity, conditions that can
    be established fairly easily at the outset of the litigation. Familiar
    examples in federal court are the existence of a federal question or the
    diversity of citizenship of the parties (and a sufficient amount in
    controversy). See 28 U.S.C. §§ 1331–32. But in Utah our district courts
    are courts of general jurisdiction. They have general power to hear “all
    matters civil and criminal” so long as they are “not excepted in the
    Utah Constitution and not prohibited by law.” UTAH CODE § 78A-5-
    102(1). The code, admittedly, places certain restrictions on the
    jurisdiction of our district courts. But they are expressly denominated
    as such—as jurisdictional limits.26 And they are matters that may be
    easily assessed at the outset of the litigation, unlike legal preconditions
    to the issuance of a given form of judicial relief.
    ¶ 144 It is true that the governmental immunity and administrative
    exhaustion cases identify “case-specific procedural facts” that have
    been deemed to go to subject-matter jurisdiction. Supra ¶ 24. But these
    cases provide no authority to treat any legal precondition to the
    issuance of a form of judicial relief as subject-matter jurisdictional.
    Instead these cases fit comfortably within the settled paradigm.
    25  See, e.g., Labelle v. McKay Dee Hosp. Ctr., 
    2004 UT 15
    , ¶ 8, 
    89 P.3d 113
    (“Article VIII, section 5 of the Utah Constitution vests in the district
    court ‘original jurisdiction in all matters except as limited by this
    constitution or by statute.’ We presume that our district courts retain
    their grant of constitutional jurisdiction in the absence of a clearly
    expressed statutory intention to limit jurisdiction.”); see also Arbaugh v.
    Y&H Corp., 
    546 U.S. 500
    , 515–16 (2006) (“If the Legislature clearly states
    that a threshold limitation on a statute’s scope shall count as
    jurisdictional, then courts and litigants will be duly instructed and will
    not be left to wrestle with the issue. But when Congress does not rank a
    statutory limitation on coverage as jurisdictional, courts should treat
    the restriction as nonjurisdictional in character.” (footnote omitted)
    (citation omitted)).
    26  See, e.g., UTAH CODE § 34A-2-407(12)(a)–(b) (identifying claims
    within the “exclusive jurisdiction” of the Labor Commission “[s]ubject
    to appellate review”); 
    id. § 78A-6-103(2)
    (identifying “exclusive
    jurisdiction” of juvenile courts over certain matters).
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    ¶ 145 It is also true that we have held that the filing of a notice of
    claim with the government is a statutory “prerequisite to vesting a
    district court with subject matter jurisdiction over claims against
    governmental entities.” Wheeler v. McPherson, 
    2002 UT 16
    , ¶ 9, 
    40 P.3d 632
    . But that does not at all mean that any statutory prerequisite to a
    successful tort claim is subject-matter jurisdictional. It means that our
    law treats the failure to file a notice of claim as a matter rendering the
    judicial proceeding unripe. This fits comfortably within the traditional
    notion of justiciability. A failure to file a claim with a non-judicial
    department of government can be understood to deem the judicial
    filing premature. And a premature filing can easily be viewed as a
    categorical defect that goes to subject-matter jurisdiction; it is subject-
    matter jurisdictional in that it deems the non-judicial department the
    appropriate body to resolve the matter, and accordingly holds that the
    filing in court is premature. That is ultimately what our cases say. See
    Rushton v. Salt Lake Cty., 
    1999 UT 36
    , ¶¶ 18–21, 
    977 P.2d 1201
    (“A notice
    of claim provides the entity being sued with the factual details of the
    incident that led to the plaintiff’s claim. Moreover, it ‘provide[s] the
    governmental entity an opportunity to correct the condition that caused
    the injury, evaluate the claim, and perhaps settle the matter without the
    expense of litigation.’” (alteration in original) (quoting Larson v. Park
    City Mun. Corp., 
    955 P.2d 343
    , 345–46 (Utah 1998)). We leave it at that,
    as doing so avoids the slippery slope introduced by the lead opinion.
    ¶ 146 The exhaustion cases are similar. They hold that a court lacks
    subject-matter jurisdiction where a plaintiff has failed to exhaust its
    avenues for relief in an administrative agency. See Hous. Auth. of Salt
    Lake v. Snyder, 
    2002 UT 28
    , ¶ 11, 
    44 P.3d 724
    . But again this is no broad
    conclusion that all legal preconditions to a successful claim are subject-
    matter jurisdictional. It goes to traditional justiciability in the sense of
    ripeness. So our exhaustion cases similarly identify a categorical defect
    that goes to subject-matter jurisdiction. They conclude that a non-
    judicial entity is the appropriate body to resolve the matter, and that a
    court lacks jurisdiction because the case belongs in an administrative
    proceeding and not in court.27
    27
    Our courts have not always framed this jurisdictional problem in
    these precise terms. But that is the conceptual essence of our cases. See
    Salt Lake City Mission v. Salt Lake City, 
    2008 UT 31
    , ¶ 14, 
    184 P.3d 599
    (equating ripeness requirements in federal law with the requirement of
    (cont.)
    79
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    ¶ 147 We follow these precedents but do not extend them in the
    manner devised by the lead opinion. Doing so would expand on
    traditional conceptions of subject-matter jurisdiction in a manner that
    jeopardizes some central tenets of our justice system.
    4. Systemic Costs and Slippery Slope
    ¶ 148 The lead opinion’s framework may appear to protect the
    interests of a sympathetic party. See supra ¶ 1 (expressing concerns
    about the “septic” nature of this case, infected by a birth mother who
    “perpetrated a fraud” and deprived a birth father of his chance to
    intervene to protect his interests). But it would do so at a substantial
    cost to the coherence of our law and to basic tenets of our judicial
    system—to the law of subject-matter jurisdiction, to rules of waiver and
    preservation, and to principles of finality and efficiency embedded
    deeply in our jurisprudence. Such costs are immediately apparent in
    administrative exhaustion); Tolman v. Logan City, 
    2007 UT App 260
    , ¶ 9,
    
    167 P.3d 489
    (“However, an as applied challenge does not become ripe
    until the challenging party has exhausted its administrative remedies
    and received a final decision from the relevant administrative
    agency.”). Our approach, moreover, is consistent with parallel case law
    in other jurisdictions. See Crow v. Penrose-St. Francis Healthcare Sys.,
    
    169 P.3d 158
    , 161 (Colo. 2007) (“Because the Hospital’s governing board
    has not rendered a final decision in his matter, Crow has not exhausted
    his available administrative remedies, and his case is not ripe for
    judicial review.”); Molo Oil Co. v. City of Dubuque, 
    692 N.W.2d 686
    , 693
    (Iowa 2005) (“Exhaustion of one’s administrative remedies is a
    condition precedent to ripeness.”).
    We do not mean to suggest that administrative exhaustion is on all
    fours with the doctrine of ripeness. There are certainly conceptual
    differences between the two sets of principles. See Ticor Title Ins. Co. v.
    F.T.C., 
    814 F.2d 731
    , 734–35 (D.C. Cir. 1987) (identifying the overlap as
    well as differences between administrative exhaustion requirements
    and the doctrine of ripeness). But this is a coherent way to understand
    administrative exhaustion as subject-matter jurisdictional. And the lead
    opinion’s contrary view—treating exhaustion as jurisdictional because
    it is a legal prerequisite to the issuance of relief—would open a perilous
    slippery slope.
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    the adoption setting; but the decision proposed in the lead opinion
    would also reverberate in other fields.
    ¶ 149 If Justice Himonas’s view prevailed, it would be the judge’s
    duty (both in the district court and on appeal) to search the record for
    statutory prerequisites to an adoption that may not have been fulfilled.
    And whenever such a defect was found, the subject-matter jurisdiction
    of the adoption court would be in jeopardy. Such jeopardy would last
    for at least a year beyond the entry of the adoption decree. See supra
    ¶ 32 n.11. And throughout such proceedings, both in the district court
    and during any appeal, the parties could expect a more sluggish and
    less efficient disposition—as judges would be required to make
    ongoing assessments on issues heretofore left to the adversary system.
    All interested parties would suffer as a result.
    ¶ 150 The lead opinion purports to limit its rule to a specific
    prerequisite to the issuance of an adoption decree—to the validity of
    the birth mother’s consent. But the logic of its analysis sweeps more
    broadly. Any and all “case-specific procedural facts” would be eligible
    for classification as subject-matter jurisdictional. See supra ¶ 24. All that
    matters under the lead opinion is that the matter in question be an
    important precondition to the availability of the relief sought by the
    plaintiff. The possibilities for inclusion are endless.28 And the timeframe
    for upsetting a final adoption is potentially unlimited.29
    28  Justice Himonas responds by insisting that we have identified “no
    situation in which a party would be able to use [his] opinion to ask a
    court to improperly expand subject matter jurisdiction to any statutory
    requirement.” Supra ¶ 29. But this misses our point—that the logic of the
    lead opinion sweeps broadly to encompass any “case-specific
    procedural fact[]” affecting the validity of the adoption decree. That
    premise forms the basis for the legal standard the lead opinion would
    apply in future cases. And lower courts would have to take the opinion
    seriously as long as it remained in place. So it’s possible that this court
    would hold the line—refusing to extend the standard Justice Himonas
    would announce today to other “case-specific procedural facts”
    affecting the validity of an adoption decree. But the lower courts would
    still be left to field any of a series of challenges to adoption decrees as
    long as the lead opinion’s theory remained.
    The lead opinion, after all, rests on no settled legal principle. It is
    based only on the insistence that consent is historically and logically
    (cont.)
    81
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    ¶ 151 Justice Himonas says that a defect in the mother’s consent
    deprives the district court of subject-matter jurisdiction because “absent
    consent,” the court is “without authorization to interfere with the
    fundamental right that is the parent-child relationship.” Supra ¶ 20. The
    lead opinion even goes so far as to say that without valid consent “no
    child has been made available for adoption.” Supra ¶ 27.
    ¶ 152 But that is an unvarnished judicial fiction. Of course there is a
    child to be adopted. We call him “B.B.” here to protect his anonymity.
    But he is a real child with a real interest in these proceedings. And he
    has been living with his would-be adoptive parents since just after his
    birth in 2014. Since that time all of these individuals have proceeded in
    important. And that would leave lower courts without any basis for
    discerning what other statutory requirements might properly be
    deemed a matter of equal importance.
    The slippery slope problem would remain, moreover, even
    assuming that “consent” problems are the only “case-specific
    procedural facts” that would be deemed to go to subject-matter
    jurisdiction. ICWA prescribes a range of requirements affecting a
    parent’s consent: that consent be given before a judge, 25 U.S.C.
    § 1913(a); that the judge engage in an adequate colloquy regarding the
    parent’s rights, id.; that the colloquy be fully understood, id.; that the
    judge certify that the colloquy was understood, id.; that the colloquy be
    interpreted where it might not be understood in English, id.; and that
    the consent not be improperly prohibited from being withdrawn, 
    id. § 1913(c).
    And state law of course also regulates consent—by mothers
    and fathers. See, e.g., UTAH CODE § 78B-6-120; 
    id. § 78B-6-120.1;
    id. § 78B-
    
    6-121; 
    id. § 78B-
    6-125. These and other elements of valid consent would
    seem to be “case-specific procedural facts” implicating subject-matter
    jurisdiction under the lead opinion’s theory. The lead opinion would
    thus invite litigation—and uncertainty and delay—on the question of
    whether these and other elements of “consent” may be questioned in a
    manner reopening an adoption that is otherwise final.
    29 See supra ¶ 32 n.11 (acknowledging the possibility that the one-
    year limitation on challenges to an adoption decree in Utah law, Utah
    Code section 78B-6-133(7)(b), may not apply in the face of a
    jurisdictional defect stemming from ICWA, and citing at least one case
    that supports that conclusion—Hughes v. Aetna Cas. & Sur. Co., 
    383 P.2d 55
    , 66 (Or. 1963)).
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    reliance on the finality of the order terminating the birth mother’s
    parental rights. They may not yet have an adoption decree. But they
    have rested easily on the conclusion that the birth mother no longer has
    a right to interfere with the adoption because her consent was deemed
    valid, her rights were terminated, and the time for questioning the basis
    for those decisions has long passed. So the lead opinion may say there
    is no child to be adopted, but all those who had anything to do with
    B.B. have long thought otherwise.
    ¶ 153 What the lead opinion is really saying is that it thinks the
    validity of a mother’s consent is particularly important. It says as much
    in asserting that the “requirement of consent is mandatory and
    jurisdictional because it goes to the soul of the adoption.” Supra ¶ 23.
    Fair enough. We don’t doubt that a mother’s consent is a crucial step in
    the proceedings. But subject-matter jurisdiction is different. Our law
    has long assessed subject-matter jurisdiction at the categorical level—
    encompassing only statutory limits on the classes of cases to be decided
    by the court and traditional limits on justiciability. A defect in consent
    fits in neither category. So if a consent problem is a jurisdictional
    problem then so are many other legal grounds for challenging the
    propriety of a district court’s decision. That cannot be—unless we are
    prepared to abandon the central tenets of finality and adversariness at
    the heart of our justice system. We are not. And we reject the lead
    opinion’s view that a defect in consent might deprive our courts of
    subject-matter jurisdiction over an adoption proceeding.
    D. Jurisdiction Is Proper Under the Lead Opinion’s Theory
    ¶ 154 If a defect in a birth mother’s consent really deprived the
    district court of subject-matter jurisdiction, then the proper course
    would be an order of vacatur and dismissal.30 Yet the lead opinion
    30 See, e.g., Ramsay v. Kane Cty. Human Res. Special Serv. Dist., 
    2014 UT 5
    , ¶ 17, 
    322 P.3d 1163
    (“[W]hen a court determines it lacks subject
    matter jurisdiction, it ‘retains only the authority to dismiss the action.’”
    (quoting Varian–Eimac, Inc. v. Lamoreaux, 
    767 P.2d 569
    , 570 (Utah Ct.
    App. 1989)); Salt Lake Cty. v. Bangerter, 
    928 P.2d 384
    , 386 (Utah 1996)
    (“When it is ascertained that there is no jurisdiction in the court because
    of the absence of a justiciable controversy, then the court can go no
    further, and its immediate duty is to dismiss the action. . . .” (internal
    quotation marks omitted) (quoting Baird v. State, 
    574 P.2d 713
    , 716
    (Utah 1978)).
    83
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    Lee, A.C.J., Opinion of the Court in part
    would not dismiss the case. It would remand to allow the mother to
    decide whether to enter a valid consent. See supra ¶ 84 n.32.
    ¶ 155 That is telling. What it tells us is that even the lead opinion
    would not ultimately conclude that the district court lacks subject-
    matter jurisdiction over any of the issues it undertakes to review—
    namely the adjudication of C.C.’s consent and the denial of the E.T.’s
    motion to intervene. Even taking the lead opinion’s view of the cases at
    face value, there isn’t a single case for the proposition that a district
    court lacks jurisdiction to decide whether consent was validly given or
    to determine whether a party claiming an interest in the child may
    properly intervene in the proceedings. These are pre-adoption issues
    that, under any view, a district court has power to decide.
    ¶ 156 The lead opinion tries to split the baby. It concludes that the
    court has jurisdiction to take “valid consent” but lacks jurisdiction to
    take “invalid consent.” See supra ¶ 84 n.32. But there is no such thing as
    a defect in subject-matter jurisdiction that arises only if the court
    decides an issue one way. What the lead opinion is really trying to do is
    reopen the merits of the termination order. But the merits of the
    termination order are foreclosed from our consideration here for all of
    the reasons set forth in Part I.A above.
    ¶ 157 We leave the matter there. The contrary path articulated in
    the lead opinion would upend the settled law of subject-matter
    jurisdiction in troubling ways. We decline to take that path.
    II. MOTION TO INTERVENE AND FEDERAL
    PATERNITY STANDARD
    ¶ 158 The lead opinion’s decision on the merits of E.T.’s motion to
    intervene is likewise problematic. Here a majority of the court expands
    the reach of ICWA in a manner that its plain language cannot bear—
    and that ignores a countervailing purpose that Congress was also
    balancing in enacting ICWA. I respectfully dissent.
    ¶ 159 ICWA, like most statutes, is not “aimed at advancing a single
    objective at the expense of all others.” Myers v. Myers, 
    2011 UT 65
    , ¶ 27,
    
    266 P.3d 806
    . It is a “result of a legislative give-and-take that balances
    multiple concerns.” 
    Id. A key
    countervailing purpose at stake under
    ICWA is the protection of the traditional jurisdiction of state courts
    over adoption proceedings. See 25 U.S.C. § 1901(5) (noting that states
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                      Lee, A.C.J., Opinion of the Court in part
    possess “recognized jurisdiction over Indian child custody
    proceedings”).31 ICWA does not oust the states of that traditional area
    of their authority. 
    Id. It recognizes
    it to a large degree—balancing
    against the interests of the integrity of Indian families the rights of the
    states to vindicate the important interests protected by their laws of
    adoption and parental rights.
    ¶ 160 In other words, ICWA does not create an independent
    federal adoption regime. Its substantive provisions function only
    within the context of a state or tribal adoption proceeding. See 
    id. §§ 1911–13.
    And Congress did not override the traditional jurisdiction
    inherent in adoption cases. It simply mandated some minimum
    standards that state adoption schemes must satisfy. See 
    id. § 1902.
        ¶ 161    This confirms that Congress understood the importance of
    state law   in this field. And it recognized the fundamental nature of the
    interests   protected by such law—including the welfare and best
    interests   of children, which are implicated whenever an adoption
    31 ICWA admittedly provides for a degree of federal “intervention”
    into state sovereignty in this field. See supra ¶ 62. But the Act also
    preserves “traditional” state sovereignty to some degree. That is
    reflected not only in the text of section 1901(5) but also in other
    statutory sections that make reference to mechanisms and terms of state
    law. See 25 U.S.C. § 1912(a) (identifying additional federal standards to
    apply to “any involuntary proceeding in a State court”); 
    id. § 1913(b)
    (identifying a right to “withdraw consent to a foster care placement
    under State law”); 
    id. § 1919(a)
    (authorizing the establishment of
    jurisdiction agreements between states and tribes); 
    id. § 1922
    (authorizing “emergency removal . . . under applicable State law”). To
    that extent there is no mistaking the fact that ICWA balances the
    protection of “the essential tribal relations of Indian people,” see supra
    ¶ 62, against the “traditional” sovereignty of the states.
    I am not advocating that we ignore the former, as the majority
    suggests. I am just urging that we keep both sets of interests in mind—
    and that we look to the text of the statute in deciding where Congress
    has intervened and where it has preserved traditional state sovereignty.
    Thus, I would give full effect to ICWA’s text where the statute identifies
    unique federal standards. But I would not go beyond the text of the
    statute to displace state law where Congress has not spoken.
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    Adoption of B.B.
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    proceeding is underway. Thus, ICWA does not guarantee an unfettered
    right of members of Indian tribes to intervene in or object to an
    adoption in any circumstance or at any time. It sets forth specific,
    limited rights of tribal members.
    ¶ 162 The provision at issue here is along these lines. It does not
    guarantee a right to notice and intervention to any tribal member with
    a claimed interest in a child in an adoption proceeding. It limits that
    right to a “parent.” 25 U.S.C. § 1912(a). And ICWA defines “parent” in
    a careful, limited way. It states that a “parent” is “any biological parent
    or parents of an Indian child,” not including “the unwed father where
    paternity has not been acknowledged or established.” 
    Id. § 1903(9).
        ¶ 163 To me this is an obvious invocation of state law. I say obvious
    because paternity has never been a creature of federal law. It has
    always been a matter within the exclusive sovereignty of the states. The
    longstanding rule in Utah and elsewhere is that an unwed father’s legal
    rights as a father—his “paternity”—is established by the law of the
    state in which his putative child’s adoption goes forward. See generally
    In re Adoption of Baby B., 
    2012 UT 35
    , 
    308 P.3d 382
    ; see also HOMER H.
    CLARK, JR., THE LAW OF DOMESTIC RELATIONS IN THE UNITED STATES, 309
    (2d ed. 1972). Admittedly, there are constitutional limitations on this
    general rule—circumstances in which the state law of paternity must
    give way to federal constitutional limitations (such as due process). See,
    e.g., Stanley v. Illinois, 
    405 U.S. 645
    , 649–58 (1972) (holding that “a
    presumption that distinguishes and burdens [only] all unwed fathers”
    was unconstitutional). But no one has suggested that any such
    limitation would apply here. So the obvious place to look to decide
    whether E.T. has “acknowledged” or “established” his “paternity” is
    Utah law.
    ¶ 164 I would decide this case on that basis. I would conclude, as
    have other courts confronting this question,32 that an Indian parent has
    32 See Jared P. v. Glade T., 
    209 P.3d 157
    , 161 (Ariz. Ct. App. 2009)
    (“ICWA does not, however, define how paternity can be acknowledged
    or otherwise detail any procedure to establish paternity. Consequently,
    we look to state law to determine whether paternity has been
    acknowledged or established.”); In re Daniel M., 708, 
    1 Cal. Rptr. 3d 897
    ,
    900 (Cal. Ct. App. 2003) (“Moreover, because the ICWA does not
    provide a standard for the acknowledgment or establishment of
    (cont.)
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    a right to notice and intervention under 25 U.S.C. section 1912(a) only if
    his paternity has been “acknowledged or established” as a matter of
    state law (or perhaps tribal law). And I would affirm the district court’s
    decision here because it was properly based on the Utah standard.
    ¶ 165 The majority’s contrary conclusions cannot stand. The
    statutory text undermines the majority’s approach. And Congress’s
    legislative purpose, as interpreted in Mississippi Band of Choctaw Indians
    v. Holyfield, 
    490 U.S. 30
    (1989), cannot properly be construed to support
    the court’s conclusions. Holyfield is easily distinguishable, as it involved
    a statutory term (domicile) of “generally uncontroverted” meaning. 
    Id. at 48.
        ¶ 166 That cannot be said of the notion of the acknowledgement or
    establishment of paternity. These are terms that impose varying
    standards throughout the fifty states (and the laws of Indian nations).
    We cannot possibly interpret this language of ICWA to prescribe a
    uniform federal standard. The only way to achieve uniformity would
    be to legislate a specific, binding federal standard. Yet even the majority
    declines to do that. It just says it thinks that a reasonability standard
    would work the best.33 And it provides no analysis under that standard
    paternity, courts have resolved the issue under state law.”); In re
    Adoption of a Child of Indian Heritage, 
    543 A.2d 925
    , 935 (N.J. 1988) (“We
    conclude, therefore, that Congress intended to defer to state or tribal
    law standards for establishing paternity, so long as these approaches
    are permissible variations on the methods of acknowledging and
    establishing paternity within the general contemplation of Congress
    when it passed the ICWA. . . .”); In re Adoption of Baby Girl B., 
    67 P.3d 359
    , 367 (Okla. Civ. App. 2003) (relying on state law but warning that
    its application cannot frustrate the purpose of ICWA).
    33 The majority seeks support for its approach in a supposed “canon
    of interpretation” presuming a “reasonability” standard in the face of
    statutory silence “as to the time or manner of a subject.” Supra ¶ 71.
    And it claims that such a canon is “consistent with ICWA case law.”
    Supra ¶ 71. I’m unsure of the basis or applicability of this supposed
    “canon” as a general matter. But whatever its merits in other settings, it
    is not consistent with the ICWA cases cited by the majority. Neither the
    Arizona Court of Appeals nor the Alaska Supreme Court adopted a
    federal reasonability standard for acknowledging or establishing
    paternity. To the contrary, both courts held that the undefined terms
    (cont.)
    87
    Adoption of B.B.
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    other than to say that E.T. has acknowledged or established paternity
    under any possible standard.
    ¶ 167 To me that suggests that we are not really interpreting the
    terms of the governing federal statute. If we are unable to state a
    meaningful legal standard, we are not really judging in accordance
    with a rule of law. We are only picking a winner in litigation. I cannot
    agree with this decision. And I respectfully disagree with the majority’s
    analysis for these reasons, which I explain in more detail below.
    A. ICWA Invokes State Law
    ¶ 168 The starting place for our analysis should be the statutory
    text. And that text strongly signals the congressional adoption of a state
    standard of paternity. It does so by employing legal terms of art with
    settled meaning in family law.
    ¶ 169 A person cannot qualify as a parent under ICWA if he is an
    “unwed father” whose “paternity has not been acknowledged or
    established.” 25 U.S.C. § 1903(9). Four elements of this phrasing cut
    against the majority’s conclusion that ICWA directs state courts to
    establish a uniform federal standard of paternity.
    ¶ 170 First, the words acknowledgement and establishment of paternity
    are long-established terms of art in state family law. All fifty states
    prescribe their own standards and procedures for acknowledging or
    establishing paternity.34 But the phrases employed in ICWA encompass
    invoked state law. Jared 
    P., 209 P.3d at 161
    (”ICWA does not, however,
    define how paternity can be acknowledged or otherwise detail any
    procedure to establish paternity. Consequently, we look to state law to
    determine whether paternity has been acknowledged or established.”
    (emphasis added)); Bruce L. v. W.E., 
    247 P.3d 966
    , 978 (Alaska 2011)
    (following courts that “have looked to state law . . . to determine
    whether paternity has been acknowledged or established under
    ICWA.”).
    Granted, both the Arizona and Alaska courts concluded that the
    putative father did not have to perfectly comply with applicable state
    law in some circumstances. But that is a far cry from the adoption of a
    uniform federal reasonability standard.
    “All states have programs under which birthing hospitals give
    34
    unmarried parents of a newborn the opportunity to acknowledge the
    (cont.)
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                     Lee, A.C.J., Opinion of the Court in part
    concepts that most all states share in common: (a) the notion of an
    acknowledgement of paternity, which generally refers to a writing by a
    father (with or without a requirement of consent by the mother), where
    the writing itself has the legal effect of sustaining a father’s parental
    rights to some degree;35 and (b) the concept of an establishment of
    father’s paternity of the child. States must also help parents acknowledge
    paternity up until the child’s eighteenth birthday through vital records
    offices or other offices designated by the state. Paternity can also be
    established at a court or administrative hearing or by default if the man
    was served notice of a paternity hearing but did not appear.”
    DEPARTMENT OF HEALTH AND HUMAN SERVICES ADMINISTRATION FOR
    CHILDREN AND FAMILIES OFFICE OF CHILD SUPPORT ENFORCEMENT,
    HANDBOOK ON CHILD SUPPORT ENFORCEMENT 14 (2008) (emphasis
    added).
    35  Even in 1978, when ICWA was enacted, “acknowledge” was a
    term of art that indicated a specific process under state law—though
    varying from state to state. No later than 1921, there was already debate
    about what steps an unwed father should be required to take to legally
    “acknowledge” paternity. WALTER C. TIFFANY, HANDBOOK ON THE LAW
    OF PERSONS AND DOMESTIC RELATIONS 302–03 (Roger W. Cooley ed., 3d
    ed. 1921) (“The courts are not in agreement as to what constitutes a
    sufficient acknowledgment of the child to legitimate it. In a few
    instances it has been held that the acknowledgment must be by an
    instrument executed for the express purpose, but the better rule seems
    to be that the writing need not be made for the express purpose of
    acknowledging the child, but that the acknowledgment is sufficient if
    made in any written instrument, collateral or otherwise.”). In the 1970s
    there was still “great variety in the methods prescribed [by the states]
    for making the acknowledgment.” HOMER H. CLARK, JR., THE LAW OF
    DOMESTIC RELATIONS IN THE UNITED STATES 173 (1987). “In some states,”
    the acknowledgement had to be “in writing and witnessed, in others it
    [had to] be executed before a notary or other officer, in others it [had to]
    be merely in writing, in others it [had to] be ‘general and notorious’ and
    in still others no formalities whatever [were] required.” 
    Id. In an
    effort
    to eliminate the inconsistency that stemmed from states’ exclusive
    jurisdiction to prescribe the acknowledgement process, the National
    Conference of Commissioners on Uniform State Laws published the
    Uniform Parentage Act of 1973. Pursuant to the Act, an unwed father
    (cont.)
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    paternity, which is initiated by a court filing and culminates in the
    issuance of a judicial order (sometimes contested but not necessarily)
    establishing the father’s parental rights and obligations.36 Surely it was
    no accident that Congress utilized terms with accepted meaning in state
    family law. And because it did, we should presume that ICWA
    embraced the principles embedded in these state law terms.
    ¶ 171 Second, the statute speaks in the past tense. It forecloses the
    right to notice and intervention for unwed fathers whose paternity “has
    not been acknowledged or established.” 25 U.S.C. § 1903(9). This
    backward-looking phrasing further underscores the state term-of-art
    premise of the ICWA definition. Congress made the putative father’s
    right to notice and intervention dependent on what had been
    acknowledged or established—past tense. And there is not and never
    has been any way for a father to “acknowledge” or “establish” his
    parental rights as a matter of federal law. There is no such thing as
    federal family law (see more on that below). And for that reason it
    would be very odd for Congress to be speaking of a federal
    could acknowledge paternity “in a writing filed with the appropriate
    court or Vital Statistics Bureau” if the mother “does not dispute the
    acknowledgment within a reasonable time after being informed
    thereof.” UNIF. ACT ON PARENTAGE § 4 (NAT’L CONFERENCE OF COMM’RS
    ON UNIF. STATE LAWS 1973). As of 2000, nineteen states had enacted the
    Uniform Parentage Act in its entirety and many others had enacted
    “significant portions of it.” Prefatory Note to UNIF. PARENTAGE ACT
    (NAT’L CONFERENCE OF COMM’RS ON UNIF. STATE LAWS 2002). But there
    is still no national, uniform standard. This is purely a matter of state
    law, and the standards vary widely across the fifty states.
    36  Even prior to ICWA, “statutes ha[d] been enacted in most if not
    all jurisdictions creating judicial proceedings to establish the paternity of
    an illegitimate child. . . .” 
    59 A.L.R. 3d 685
    (1974) (emphasis added); see
    also 14 C.J.S. Children Out-of-Wedlock § 111 (describing the different
    burdens of proof in suits to establish paternity); UNIF. ACT ON
    PARENTAGE §§ 3, 6 (NAT’L CONFERENCE OF COMM’RS ON UNIF. STATE
    LAWS 1973) (authorizing a “natural father” to establish his paternity
    through court action).
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    acknowledgement or establishment of paternity as a prerequisite to a
    right to notice and intervention.37
    ¶ 172 Third, the statutory duty to provide notice to those whose
    paternity has been acknowledged or established indicates that these are
    established, formal mechanisms. A family who wishes to adopt a child
    of Indian heritage has a statutory duty to provide notice to any parent.
    But if parent includes anyone who has vaguely acknowledged paternity in
    some informal way, the adopting family will have no way to know how
    to fulfill its obligations under ICWA. And an Indian mother would
    have no way of assuring that her child will actually be given to the
    adoptive couple, even after her own parental rights have been
    terminated. That is a further strike against the majority’s construction.
    Surely Congress didn’t mean to require biological mothers and
    37  The majority appears to ignore this point in its reasonableness
    analysis. Rather than focusing exclusively on E.T.’s actions prior to the
    termination order, it spends significant time on the actions E.T. took
    after the termination order. But E.T. could not possibly have been
    entitled to notice and intervention at the time the proceeding began—or
    even at the time of his motion to intervene—based on actions he took
    after that time.
    I am also skeptical that the actions he took prior to the custody
    proceedings satisfied even the majority’s reasonability standard for
    acknowledging paternity. My skepticism stems not from any
    “socioeconomic [or] cultural assumptions,” supra ¶ 75 n.29, but from
    the inherent difficulty of administering a “reasonability” standard that
    credits purely private conduct. The relevant “actions” boil down to E.T.
    providing for C.C. for the first six months of pregnancy and believing
    that C.C. would come back to South Dakota or that he would join C.C.
    in Utah after the baby was born. If this amounts to a reasonable
    acknowledgment of paternity, almost anything will. After all, E.T.
    appears to have provided for C.C. even before the child was conceived,
    and he does not assert that he articulated or documented his beliefs
    regarding future plans before the custody proceedings were initiated.
    Under those circumstances I cannot see how the adoptive parents or the
    district court would have any way of knowing that E.T. had an interest
    in the child—or of providing E.T. notice at the time the adoption
    petition was filed. And this only exacerbates the practical problems of
    the majority’s standard.
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    adoptive families to give notice to persons whose acknowledgement of
    paternity was so vague and informal that they cannot reasonably be
    identified. And the majority’s decision to require this only enhances the
    practical concerns identified above. See supra ¶¶ 111–15.
    ¶ 173 A fourth and related point builds on a series of established
    canons or norms of statutory construction in this field. When Congress
    passed ICWA, it was surely aware that (a) “[t]he whole subject of the
    domestic relations of husband and wife, parent and child” has long
    been understood to “belong[] to the laws of the states, and not to the
    laws of the United States,” Ex parte Burrus, 
    136 U.S. 586
    , 593–94 (1890);38
    (b) state courts have “virtually exclusive primacy” in the area of family
    law, while “federal courts, as a general rule, do not adjudicate issues
    of” family law “even when there might otherwise be a basis for federal
    jurisdiction,” United States v. Windsor, 
    133 S. Ct. 2675
    , 2691 (2013); and
    (c) for these and other reasons, family law terms in federal statutes are
    ordinarily deemed to be “determined by state, rather than federal law,”
    De Sylva v. Ballentine, 
    351 U.S. 570
    , 580 (1956).
    ¶ 174 These principles lend a heavy dose of skepticism to the view
    that Congress intended to delegate to state courts the power to prescribe
    a set of uniform federal standards of paternity. That would be an
    extraordinary delegation of federal policymaking power. To me it’s
    unimaginable that Congress would have meant to delegate that power
    to a judicial branch of another sovereign—fifty sovereigns, really—in a
    field traditionally left to that sovereign’s sole authority.39
    38 See also Haddock v. Haddock, 
    201 U.S. 562
    , 575 (1906) (“No one
    denies that the states, at the time of the adoption of the Constitution,
    possessed full power over the subject of marriage and divorce.”),
    overruled in part on other grounds by Williams v. North Carolina, 
    317 U.S. 287
    (1942); United States v. Windsor, 
    133 S. Ct. 2675
    , 2689–90 (2013) (“By
    history and tradition the definition and regulation of marriage . . . has
    been treated as being within the authority and realm of the separate
    States.”).
    39 My point is not to state a general objection to an inquiry into
    “reasonableness”—or even to “subjective standards generally.” See
    Oliver v. Utah Labor Comm’n, 
    2017 UT 39
    , ¶ 84 n.18, __ P.3d __ (Lee,
    A.C.J., concurring). It is to emphasize the need to tie our legal standards
    “to the statutory text,” and to urge caution for “fuzzy” legal inquiries
    (cont.)
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    ¶ 175 The exercise of this power is a matter of legislative
    policymaking. There is no “right” answer to the question of what it
    takes for an unwed father to acknowledge or establish paternity. So to
    make law on the appropriate standards, we would have to step into the
    role long held by our legislature. I have no idea how to do that. (Should
    we hold legislative hearings the way the legislature does when it
    adopts or amends laws in this field?) And I am certain Congress didn’t
    mean for the Utah Supreme Court to have the final say on the matter.
    We are one of fifty state courts of last resort. So to interpret ICWA to
    give this body the power to decide on an ideal standard for the
    acknowledgement or establishment of paternity is to assure a lack of a
    uniform standard. That cannot be what Congress had in mind—even
    under the majority’s strong purposivist view of ICWA. See supra ¶ 69
    (concluding that Congress’s purpose of assuring uniformity sustains
    the conclusion that this court should prescribe a federal standard of
    acknowledging or establishing paternity).
    ¶ 176 This is a strong indication that we are treading into a domain
    not meant for us under the terms of the governing statute. “When
    presented with alternative interpretations of a statutory scheme, we
    should choose the one that involves the judiciary least in the enterprise
    of legislative policymaking.” State v. Parduhn, 
    2011 UT 55
    , ¶ 72, 
    283 P.3d 488
    (Lee, J., dissenting). Courts should not go looking for
    opportunities to “become a policymaker instead of an interpreter.” 
    Id. “We should
    presume that the legislature intended to preserve the
    respective legislative and judicial roles, with the legislature making
    policy and the courts construing and applying that policy to cases that
    come before them.” 
    Id. “If one
    of two interpretations of a statute
    that “bear no relation” to the governing terms of the law. 
    Id. For that
    reason the majority’s Fourth Amendment example is beside the point.
    See supra ¶ 71 n.27. The text of the Fourth Amendment is framed in
    terms of “unreasonable searches and seizures.” U.S. CONST. amend. IV.
    So of course the Fourth Amendment test is framed as an inquiry into
    “reasonableness.” See supra ¶ 71 n.27. But that tells us nothing of
    relevance to the proper test under ICWA.
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    conflates those roles, it should accordingly be rejected as contrary to
    legislative intent.” Id.40
    ¶ 177 This should be doubly true in a case, like this one, where the
    statute we interpret is a federal law addressing a domain long
    governed exclusively by state law. I see no room for the conclusion that
    Congress meant for this court to put our policymaker hats on and
    decide on the best standard for the acknowledgement or establishment
    of paternity. Surely it’s more likely that its use of settled terms of state
    law was a signal that Congress was asking us to apply established state
    law.
    B. Response to Majority
    ¶ 178 The majority finds it “obvious that the plain language” of
    ICWA does not dictate the application of state law standards of
    paternity. Supra ¶ 50. It bases that conclusion on its sense of Congress’s
    “purpose” in enacting ICWA, and on analysis in Mississippi Band of
    Choctaw Indians v. Holyfield, 
    490 U.S. 30
    (1989), that it views as
    supportive of its holding. And it claims that my approach violates the
    traditional meaning of the phrase “term of art.” I find none of these
    points persuasive.
    ¶ 179 First, the purported “purpose” of ICWA cannot override the
    terms of the statute. ICWA, as noted, balances multiple purposes. And
    we overstep our bounds if we fail to credit the compromised balance of
    those purposes reflected in the statutory text. Myers v. Myers, 
    2011 UT 65
    , ¶ 27, 
    266 P.3d 806
    ; Olsen v. Eagle Mountain City, 
    2011 UT 10
    , ¶ 23 n.6,
    
    248 P.3d 465
    .
    ¶ 180 As noted above, ICWA, at a minimum, is also aimed at
    preserving the sovereignty of the state courts over adoption and
    paternity—and in protecting the children whose interests are so keenly
    implicated in adoption proceedings. Thus, it is entirely correct to say
    that ICWA was aimed at protecting the integrity of Indian families. But
    because the statutory purpose was not to advance that purpose at all
    costs, our inquiry cannot end at that high level of generality. We must
    40 See Ayotte v. Planned Parenthood of N. New Eng., 
    546 U.S. 320
    , 329–
    30 (2006); State v. Herrera, 
    895 P.2d 359
    , 362 (Utah 1995); Bastian v. King,
    
    661 P.2d 953
    , 956 (Utah 1983).
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    consider how Congress struck the balance at the specific level of the
    terms of the statute.41
    ¶ 181 The Holyfield opinion is not to the contrary. Nor does it
    support the majority’s holding in this case. In Holyfield, the court
    interpreted a provision in ICWA granting tribal courts the exclusive
    jurisdiction over custody proceedings involving an Indian child “who
    resides or is domiciled within” a tribe’s 
    reservation. 490 U.S. at 36
    (quoting 25 U.S.C. § 1911(a)). And, as the majority here indicates, the
    Holyfield court interpreted the term “domicile” to prescribe a federal
    standard. 
    Id. at 43
    –47. In so concluding, moreover, the Holyfield court
    stated a “general assumption that ‘in the absence of a plain indication
    to the contrary, . . . Congress when it enacts a statute is not making the
    application of the federal act dependent on state law.’” 
    Id. at 43
    (alteration in original) (quoting Jerome v. United States, 
    318 U.S. 101
    , 104
    (1943)).
    ¶ 182 Yet Holyfield announces no hard and fast rule. Indeed it
    acknowledges that “Congress sometimes intends that a statutory term
    be given content by the application of state law.” 
    Id. And the
    grounds
    for the court’s holding in Holyfield simply do not apply here. Holyfield is
    distinguishable.
    ¶ 183 Holyfield does not conclude that ICWA’s purpose of
    protecting Indian families mandates a uniform federal standard for all
    terms in the statute. It acknowledges the contrary. 
    Id. And it
    begins its
    analysis with “‘the assumption that the legislative purpose is expressed
    by the ordinary meaning of the words used.’” 
    Id. at 47
    (quoting Richards
    v. United States, 
    369 U.S. 1
    , 9 (1962)). Thus, the core holding in Holyfield
    41 The majority does refer to some textual provisions of the statute in
    support of its view. For one, it cites ICWA for the proposition that a
    parent of an Indian child is entitled to the “higher standard of
    protection” set forth in state or federal law when such laws “provide[] a
    higher standard of protection” than that set forth in ICWA. Supra ¶ 67
    (quoting 25 U.S.C. § 1921). And the majority says that this ensures “that
    parents of Indian children enjoy the highest level of protection of their
    parental rights available.” Supra ¶ 67. But this is circular. We cannot say
    whether a supposedly federal standard yields a higher level of
    protection than that set forth in state law until we know the contents of
    the federal standard. And, as noted below, the majority ultimately is
    unwilling to articulate a federal standard.
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    is different from the one described by the majority in this case. Holyfield
    is based on the statutory text. And it holds that “domicile” is a
    statement of a uniform standard not because ICWA’s broad purpose
    demands uniformity in all cases, but because “‘[d]omicile’ is . . . a
    concept widely used in both federal and state courts for jurisdiction
    and conflict-of-laws purposes, and its meaning is generally
    uncontroverted.” 
    Id. at 48
    (emphasis added). And the uncontroverted
    meaning includes the standards for demonstrating domicile that are
    almost universally accepted among federal and state jurisdictions. See
    
    id. ¶ 184
    Thus, the Holyfield opinion is quite different from the
    majority opinion in this case. The Holyfield court did not construct its
    own preferred standard of domicile—a standard informed only by a
    vague sense that Congress must have meant to provide “less exacting”
    requirements for Indian parents than the laws of many states. Supra
    ¶ 71. The Holyfield analysis is textual. It is rooted in the “generally
    accepted meaning of the term ‘domicile.’” 
    Holyfield, 490 U.S. at 47
    .
    ¶ 185 As noted above, there is no such thing as a “generally
    accepted meaning” of acknowledging or establishing paternity in the sense
    discussed in Holyfield. As a product of our federalism, the fifty states
    have adopted a range of procedures and standards for the
    acknowledgement or establishment of paternity.42 This could not have
    been a surprise for the Congress that enacted ICWA.
    ¶ 186 The majority takes issue with this analysis. It claims that I am
    relying on “an erroneous view of the definition of a term of art.” Supra
    ¶ 55. Thus, the majority insists that a term of art must have a single
    “core meaning.” Supra ¶ 56. And the majority rejects my approach on
    the ground that the state-by-state definitions of acknowledge and
    establish “do not share a common core.” Supra ¶ 56. From that premise,
    the majority proceeds to the conclusion that the words acknowledgement
    and establishment of paternity are ordinary (not legal) terms as used in
    ICWA. Supra ¶ 58. And the court cites a few cases that purportedly
    support this conclusion. Supra ¶ 58.43
    42   See supra ¶ 170 nn. 34–36.
    43  The cited cases say little or nothing of relevance to the
    interpretation of a federal statute regulating state custody proceedings.
    Two of the cited cases simply stand for the axiom that courts must not
    (cont.)
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    ¶ 187 None of this adds up in my view. The court’s starting
    premise is overbroad; it misses the obvious implications of our
    American federalism. The law of paternity is like many other pockets of
    state law, with substantial variation from state to state. State law varies
    widely on a wide range of questions, such as negligence, strict liability,
    breach of contract, divorce, child custody, and intestate succession. But
    a federal statute invoking legal terminology from one of these fields
    would not properly be understood as using the words of the law in an
    ordinary (non-legal) sense just because there are legal variations from
    state to state.44
    ¶ 188 The terms in question here—acknowledgement and
    establishment of paternity—moreover, are legal terms with a common
    “core meaning.” At the heart of every state’s standards for
    acknowledgement of paternity is the question whether the purported
    parents have shown that they accept responsibility for the child.
    read extratextual requirements into undefined terms. See State v. Wolfe,
    
    239 A.2d 509
    , 512 (Conn. 1968); Carpenter v. Hawley, 
    281 S.E.2d 783
    , 786
    (N.C. Ct. App. 1981). The other two cases are even less helpful to the
    majority’s cause. One was decided long before state paternity schemes
    were fleshed out, see Blythe v. Ayres, 
    31 P. 915
    , 922 (Cal. 1892), and the
    other is not a custody proceeding at all. See Estate of Griswold, 
    24 P.3d 1191
    , 1194–95 (Cal. 2001) (determining whether a father’s admission of
    paternity in a “bastardy proceeding” was sufficient to acknowledge
    paternity under a different state’s probate code). In any event, none of
    the cases interpret a federal statute. So none of them supports the
    majority’s conclusion that terms utilized by every state’s adoption
    scheme must be given an independent, ordinary (non-legal) meaning
    under a federal statute regulating those schemes.
    44 One example is evident in ICWA itself. ICWA recognizes as a
    parent “any Indian person who has lawfully adopted an Indian child,
    including adoptions under tribal law or custom.” 25 U.S.C. § 1903(9)
    (emphasis added). The reference to an adoption clearly invokes state
    law, as there is no such thing as a federal adoption. Yet under the
    majority’s approach, the term “adopt” would invoke a new federal
    standard incorporating the ordinary sense of adopt and ignoring state
    standards of adoption (which vary widely from state to state). That of
    course makes no sense. And it makes no more sense as applied to the
    acknowledgement or establishment of paternity.
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    Acknowledge, BLACK’S LAW DICTIONARY (9th ed. 2009) (defining
    “acknowledge” as “[t]o show that one accepts responsibility for
    ”). Establishment of paternity also
    has a core meaning. This is the legal notion that the purported parents
    “settle, make, or fix firmly” that they are the true parents of the child.
    Establish, BLACK’S LAW DICTIONARY (9th ed. 2009).45 There are variations
    across the fifty states as to the procedure or standards for
    acknowledging or establishing paternity. But those variations stem
    from each state’s policy preferences and prerogatives. They do not
    undefine these legal terms of art.
    ¶ 189 If a statute speaks the language of the law, then we interpret
    that term in accordance with established legal conventions. This is a
    settled tenet of the law of interpretation.46 And that tenet does not
    change just because we find a lack of a single, clear meaning of the legal
    term in question.47
    45  See also 14 C.J.S. Children Out-of-Wedlock § 111 (describing the
    different burdens of proof in suits to establish paternity); UNIF. ACT ON
    PARENTAGE §§ 3, 6 (1973) (authorizing a “natural father” to establish his
    paternity through court action).
    46 See F.A.A. v. Cooper, 
    566 U.S. 284
    , 292 (2012) (citing cases for the
    “cardinal rule of statutory construction” that “when Congress employs
    a term of art, it presumably knows and adopts the cluster of ideas that
    were attached to each borrowed word in the body of learning from
    which it was taken” (citation omitted) (internal quotation marks
    omitted); Maxfield v. Herbert, 
    2012 UT 44
    , ¶ 31, 
    284 P.3d 647
    (“When the
    legislature ‘borrows terms of art in which are accumulated the legal
    tradition and meaning of centuries of practice, it presumably knows
    and adopts the cluster of ideas that were attached to each borrowed
    word in the body of learning from which it was taken.’” (quoting
    Morissette v. United States, 
    342 U.S. 246
    , 263 (1952)).
    47 See 
    Cooper, 566 U.S. at 292
    –94 (noting that “the meaning of ‘actual
    damages’ [in the federal Privacy Act, 5 U.S.C. § 552a(g)(4)(A)] is far
    from clear,” in that it “is sometimes understood to include
    nonpecuniary harm” but also “has been used . . . more narrowly to
    authorize damages for only pecuniary harm,” but proceeding to find a
    legal definition based on the “particular context in which the term
    appears” in the statute).
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    ¶ 190 Where a legal term is employed, we can understand the term
    only by reference to the norms and conventions of that language. The
    language of the law is like a distinct dialect.48 And we will
    misunderstand the dialect if we ignore its norms and conventions.
    ¶ 191 Granted, it is possible to speak of acknowledging or establishing
    paternity without reference to the law. But a statutory reference to these
    established legal terms should be viewed against the backdrop of the
    law. And we will misunderstand or misuse the terminology if we
    ignore its legal context.49 The majority commits this fatal error in its
    approach.
    ¶ 192 In my view it is beside the point that “Utah law requires the
    birth mother’s signature in addition to the unmarried biological father’s
    signature” as a condition of an acknowledgement “through a
    declaration of paternity.” Supra ¶ 67. Surely that does not mean that
    “the unmarried biological father’s option to acknowledge paternity is
    . . . read out of ICWA.”50 Supra ¶ 67. It simply means that E.T. failed to
    48 See Michael B. Rappaport & John O. McGinnis, The Constitution
    and the Language of the Law (San Diego Legal Studies Paper No. 17-262,
    2017), https://ssrn.com/abstract=2928936.
    49  An acknowledgement or establishment of paternity is like a
    declaration of bankruptcy. We can speak of declaring bankruptcy in the
    ordinary sense of a mere utterance. But in so doing we will be misusing
    the language—by missing its clear legal connotation. Cf. The Office:
    Money (NBC television broadcast Oct. 18, 2007) (Michael Scott:
    “I DECLARE BANKRUPTCY!” Oscar: “Hey, I just wanted you to
    know, that you can’t just say the word bankruptcy and expect anything
    to happen.” Michael Scott: “I didn’t say it, I declared it.” Oscar: “Still …
    that’s … it’s not anything.”).
    50 I see nothing telling about the fact that the district court in this
    case did not “seriously analyze whether Birth Father acknowledged
    paternity under Utah law, instead focusing on whether he complied
    with the requirements for establishing paternity under Utah law.” Supra
    ¶ 67. Presumably, that is just a reflection of the parties’ advocacy—of
    the fact that E.T. didn’t argue that he secured his paternity through an
    acknowledgement because he knew he could not qualify under Utah
    law. That doesn’t tell us that acknowledgement of paternity is “read out
    (cont.)
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    secure his paternity through an acknowledgement under Utah law.
    ICWA’s bare reference to acknowledgement or establishment of paternity
    cannot properly be read as a guarantee that a given putative father will
    qualify under either. It is simply an indication that either means of
    securing rights of paternity in a given state’s law will suffice as a matter
    of federal Indian law. And certainly E.T. could have secured his
    paternity rights under Utah law; he simply failed to do so in any of the
    means required by our law.
    ¶ 193 There is likewise nothing “anomalous” about the notion that
    “an unmarried biological Indian father’s status as a parent under
    ICWA” depends on his compliance with the laws of the state where the
    child is born. Supra ¶ 69. That is not some unforeseen oddity of my
    reading of ICWA; it is an inherent feature of our longstanding system
    of federalism that was well-known to Congress—a system in which
    parental rights are a creature of state law, and thus may be established
    under the various laws of the fifty states.
    ¶ 194 The alternative, moreover, is a make-it-up-as-we-go
    standard—a standard without any real content, except the notion that a
    biological father must meet an undefined “reasonability standard” that
    is “less exacting” than the requirements of Utah law. Supra ¶ 71. That
    seems close to an admission that the court has no standard. And the
    lack of a standard assures that the majority cannot ultimately live up to
    its premises.
    ¶ 195 Instead the majority offers only a bare holding—that E.T.’s
    “actions satisfied the requirements for acknowledging paternity under
    ICWA using a reasonability standard.” Supra ¶ 74. And the court
    simply lists the facts it deems sufficient under the circumstances of this
    case. That is a further admission that we are not stating a legal standard
    but only a disposition of this case.
    ¶ 196 Perhaps that’s understandable. The logic of the court’s
    opinion, after all, is one that can lead only to the conclusion that any
    bare “acknowledgement” of paternity, however minimal, must suffice
    as a matter of federal Indian law. To support its holding, the majority
    points to hurdles set by Utah law that E.T. has not satisfied. See supra
    ¶ 67. And it concludes that Utah law is too “exacting.” Supra ¶ 71.
    of ICWA.” It says only that E.T. cannot secure his rights through such a
    filing.
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    Thus, it is unacceptable, in the court’s view, to allow “state law to
    determine who is a parent under ICWA” because that “would, in some
    cases, provide a lower level of protection of parental rights than ICWA
    intends.” Supra ¶ 67. With this in mind, the court sets forth a vague
    reasonability standard that purports to be more protective “of parental
    rights pertaining to Indian children.” Supra ¶ 71.
    ¶ 197 But why stop there? The logic of the court’s opinion will lead
    inevitably to the most minimally “exacting” acknowledgement of
    paternity imaginable. Anything less, after all, could sustain the same
    conclusion reached in this case—that ICWA’s purpose is to protect the
    rights of Indian tribal members, and that allowing state law (or any law
    except a minimalist acknowledgement) “to determine who is a parent
    under ICWA would . . . provide a lower level of protection of parental
    rights than ICWA intends.”51 Supra ¶ 67.
    ¶ 198 The majority apparently perceives the problem with that
    approach. If any bare acknowledgement by a putative father will do, then
    the statutory definition will be eviscerated: All unwed putative fathers
    will become entitled to notice and a right to intervene because any
    father can plausibly say he made a bare acknowledgement of paternity
    at some point. And that cannot be. See VCS, Inc. v. Utah Cmty. Bank,
    
    2012 UT 89
    , ¶ 18, 
    293 P.3d 290
    (noting that an interpretation that would
    “swallow” statutory language “runs afoul of the settled canon of
    preserving independent meaning for all statutory provisions”).
    ¶ 199 Presumably that is why the court stops short of stating a
    meaningful standard. Perhaps it acknowledges that we cannot
    defensibly pick a paternity standard out of the air. But unless we are
    willing to set the bar at the lowest imaginable level, the logic of the
    court’s opinion will always call for us to set it lower; otherwise we will
    have a standard that is too “exacting” to satisfy the purpose of ICWA.
    So the court, naturally, is left to state no meaningful standard at all.
    51 This is the problem with the purposivist approach to statutory
    interpretation. If we view statutes as aimed at accomplishing their
    perceived purpose at all costs, we are embarked on an endless journey.
    We may say that ICWA is aimed at articulating a uniform standard to
    protect the rights of Indian families. But if that’s all it is, then we must
    stop at nothing in our efforts to vindicate that purpose. And the only
    way to stop at nothing is to say that even the barest acknowledgement
    of paternity is enough to satisfy the statute.
    101
    Adoption of B.B.
    Lee, A.C.J., Opinion of the Court in part
    ¶ 200 And that is also untenable—and completely at odds with the
    core premise of the court’s opinion. The majority’s premise is that
    Congress could not have intended a state-law-based notion of
    acknowledgement or establishment of paternity because it intended a
    nationwide uniform standard. See supra ¶ 71. Yet the court’s holding
    assures the exact opposite. This court today says that Utah law has set
    the paternity bar too high. But absent any meaningful legal standard,
    our opinion today assures a complete lack of uniformity. If today’s
    opinion takes hold in other states, it will guarantee chaos and
    unpredictability—not uniformity. It will invite each court faced with
    the paternity question to offer its own subjective assessment of what is
    a “reasonable” acknowledgment of paternity and whether the state or
    tribal paternity laws in question are too “exacting.” Supra ¶ 71.
    ¶ 201 The majority’s approach may also produce devastating
    unintended consequences. By recognizing an unwed father’s right to
    notice and intervention upon a vague, informal “acknowledgement” of
    paternity, and ignoring the backward-looking requirement of paternity
    that “has . . . been acknowledged,” the court opens the door to the
    possibility that a putative Indian father will come forward months or
    even years later and assert a right to disrupt even a finalized adoption.
    If and when this eventuality arises, perhaps the courts will find a
    “reasonability” time bar or estoppel basis to avoid this disruption. But I
    see no basis for it on the face of ICWA. So as the law stands there is no
    assurance that an adoption of an Indian child will ever be truly final.
    The court’s approach leaves open the possibility of disruption of any
    adoption of an Indian child whose biological father might one day
    claim to have “acknowledged” his paternity.
    ¶ 202 This cannot be what Congress had in mind when it limited
    the rights of notice and intervention to unwed fathers who have had
    their paternity acknowledged or established. Surely Congress meant for
    courts to apply a fixed legal standard. And because ICWA uses settled
    terms of art from family law, I would interpret it to incorporate state
    (and tribal) law on this question. I would accordingly affirm the district
    court’s denial of E.T.’s motion to dismiss.
    III. CONCLUSION
    ¶ 203 For reasons stated in Part I of this opinion a majority of the
    court finds no defect in subject-matter jurisdiction. A different majority
    nonetheless reverses the denial of the motion to intervene. I dissent
    from that decision for reasons set forth in Part II of my opinion. I would
    102
    Cite as: 
    2017 UT 59
                   Lee, A.C.J., Opinion of the Court in part
    also affirm the district court’s denial of E.T.’s motion to dismiss and
    remand for finalization of the adoption.
    103
    

Document Info

Docket Number: Case No. 20150434

Citation Numbers: 2017 UT 59, 417 P.3d 1

Filed Date: 8/31/2017

Precedential Status: Precedential

Modified Date: 1/12/2023

Authorities (126)

Flannigan v. Jordan , 871 So. 2d 767 ( 2003 )

In Re the Adoption of Erin G. , 140 P.3d 886 ( 2006 )

In Re the Adoption of T.N.F. , 781 P.2d 973 ( 1989 )

In Re Adoption of Keith MW , 79 P.3d 623 ( 2003 )

Bruce L. v. W.E. , 247 P.3d 966 ( 2011 )

In Re the Adoption of Sara J. , 123 P.3d 1017 ( 2005 )

Ticor Title Insurance Company v. Federal Trade Commission , 814 F.2d 731 ( 1987 )

Jared P. v. Glade T. , 221 Ariz. 21 ( 2009 )

Kiowa Tribe of Oklahoma, Individually as Parens Patriae to ... , 777 F.2d 587 ( 1985 )

St. John Stevedoring Co., Inc., Employer, and Insurance ... , 818 F.2d 397 ( 1987 )

Donald L. Snell v. Cleveland, Inc., and Patricia Faber John ... , 316 F.3d 822 ( 2002 )

Brenda O. v. Arizona Department of Economic Security , 226 Ariz. 137 ( 2010 )

Arkansas State University v. Professional Credit Management,... , 299 S.W.3d 535 ( 2009 )

Westerlund v. Croaff , 68 Ariz. 36 ( 1948 )

United States v. Charles Lester Vanness , 85 F.3d 661 ( 1996 )

Cunningham v. Standard Guar. Ins. Co. , 630 So. 2d 179 ( 1994 )

In Re Daniel M. , 110 Cal. App. 4th 703 ( 2003 )

Estate of Griswold , 108 Cal. Rptr. 2d 165 ( 2001 )

Laurelle v. Bush , 17 Cal. App. 409 ( 1911 )

Arnold v. Howell , 98 Cal. App. 2d 202 ( 1950 )

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State v. Johnson , 416 P.3d 443 ( 2017 )

Widdison v. Widdison , 2022 UT App 46 ( 2022 )

Smith v. Smith , 2017 UT 77 ( 2017 )

State v. Rettig , 2017 UT 83 ( 2017 )

State v. Rettig , 2017 UT 83 ( 2017 )

State v. Rettig , 416 P.3d 520 ( 2017 )

State v. Hernandez , 428 P.3d 1023 ( 2018 )

In re Adoption of B.B. , 2020 UT 53 ( 2020 )

Utah Stream v. VR Acquisitions , 439 P.3d 593 ( 2019 )

Knight Adjustment v. Funaro , 2021 UT App 65 ( 2021 )

In re Adoption of B.N.A. , 438 P.3d 10 ( 2018 )

Faucheaux v. Provo City , 436 P.3d 104 ( 2018 )

Pulham v. Kirsling , 427 P.3d 261 ( 2018 )

In re L.L. , 2019 UT App 134 ( 2019 )

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