People for the Ethical Treatment of Animals, Inc. v. Department of Agricultural Resources , 477 Mass. 280 ( 2017 )


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    SJC-12207
    PEOPLE FOR THE ETHICAL TREATMENT OF ANIMALS, INC. vs.
    DEPARTMENT OF AGRICULTURAL RESOURCES & another.1
    Suffolk.       February 6, 2017. - June 14, 2017.
    Present:     Gants, C.J., Lenk, Gaziano, Lowy, & Budd, JJ.
    Public Records.        Agriculture.   Animal.   Statute, Construction.
    Privacy.
    Civil action commenced in the Superior Court Department on
    October 14, 2014.
    The case was heard by Christopher J. Muse, J.
    The Supreme Judicial Court on its own initiative
    transferred the case from the Appeals Court.
    David Milton for the plaintiff.
    Amy Spector, Assistant Attorney General, for the
    defendants.
    Laura Rótolo & Jessie Rossman, for American Civil Liberties
    Union of Massachusetts, amicus curiae, submitted a brief.
    Jessica White, for Prisoners' Legal Services of
    Massachusetts, amicus curiae, submitted a brief.
    1
    Commissioner of the Department of Agricultural Resources.
    2
    LENK, J.   This case concerns the scope of two exemptions
    from the statutory definition of "public records."
    Specifically, it probes whether information, such as names,
    addresses, telephone numbers, and other information, contained
    on animal health certificates in the custody of the Department
    of Agricultural Resources, is subject to disclosure in response
    to a public records request.   A Superior Court judge determined
    that such information is protected from disclosure under
    statutory exemptions G. L. c. 4, § 7, Twenty-sixth (n) and (c),
    implicating, respectively, public safety and privacy.     For the
    reasons that follow, we vacate that order and remand for further
    proceedings consistent with this opinion.2
    Background.   1.   Public records framework.   At all times
    relevant to this case, two statutes governed access to public
    records:   G. L. c. 66, § 10, and G. L. c. 4, § 7, Twenty-sixth.3
    2
    We acknowledge the amicus briefs of the American Civil
    Liberties Union of Massachusetts and Prisoners' Legal Services
    of Massachusetts.
    3
    Since the entry of judgment in this case, G. L. c. 66,
    § 10, has been substantially revised, with the changes taking
    effect on January 1, 2017. Compare G. L. c. 66, § 10, as
    amended by St. 2010, c. 256, §§ 58-59, with G. L. c. 66,
    §§ 10, 10A, as amended by St. 2016, c. 121. General Laws c. 4,
    § 7, Twenty-sixth (n) (exemption [n]), also has been revised,
    albeit in a less substantial way. See St. 2016, c. 121, §§ 1-3
    (inserting phrase "cyber security" into exemption [n]). This
    opinion refers to the versions of G. L. c. 66, § 10, and G. L.
    c. 4, § 7, that existed through 2015, the time period relevant
    to the adjudication of the plaintiff's public records request.
    3
    General Laws c. 66, § 10, sets forth the conditions under which
    government entities, through their records custodians, must
    provide access to public records.   "The primary purpose of G. L.
    c. 66, § 10, is to give the public broad access to governmental
    records."   Worcester Tel. & Gazette Corp. v. Chief of Police of
    Worcester, 
    436 Mass. 378
    , 382-383 (2002).
    The term "public records," in turn, is defined by G. L.
    c. 4, § 7, Twenty-sixth.   The definition sweeps in a wide array
    of documents and data made or received by employees, agencies,
    or other instrumentalities of the Commonwealth.   See Hull Mun.
    Lighting Plant v. Massachusetts Mun. Wholesale Elec. Co., 
    414 Mass. 609
    , 614 (1993), citing G. L. c. 4, § 7, Twenty-sixth
    (1990 ed.).   This expansive definition of "public records" is
    statutorily limited by twenty enumerated exemptions in G. L.
    c. 4, § 7, Twenty-sixth (a)-(u).
    Together, these statutes, and our cases interpreting them,
    favor disclosure of public records in two primary ways.     First,
    G. L. c. 66, § 10, imposes a presumption that the record sought
    is public and places the burden on the records custodian to
    "prove with specificity" that an exemption applies.   G. L.
    c. 66, § 10 (c).   To that end, "a case-by-case review is
    Although not raised by the parties and while the point need not
    be settled today, it appears that, going forward, such revisions
    would not significantly alter our analysis as to the exemptions
    and their application.
    4
    required to determine whether an exemption applies."     Matter of
    a Subpoena Duces Tecum, 
    445 Mass. 685
    , 688 (2006).     Second, the
    statutory exemptions in G. L. c. 4, § 7, Twenty-sixth, are to be
    "strictly construed."    Hull Mun. Lighting Plant, 
    414 Mass. at 614
    .
    The two statutory exemptions at issue in this case are
    found in subsections (n) (exemption [n]) and (c) (exemption [c])
    of G. L. c. 4, § 7, Twenty-sixth.    Exemption (n) concerns
    records related to public safety.    Specifically, it allows a
    records custodian to withhold an otherwise public record if the
    record is sufficiently related to the safety or security of
    persons or infrastructure, and if disclosure of the record, in
    the "reasonable judgment of the record custodian," is "likely to
    jeopardize public safety."     G. L. c. 4, § 7, Twenty-sixth (n).
    Exemption (c) concerns records related to privacy.     It
    permits a records custodian to withhold an otherwise public
    record if it is a personnel or medical file, or if it relates to
    a specifically named individual and its disclosure may
    constitute an unwarranted invasion of personal privacy.       G. L.
    c. 4, § 7, Twenty-sixth (c).
    These two exemptions share a common characteristic in that
    they both require consideration of the likely consequences of
    releasing the record sought.    Exemption (n), however, is unique
    among the statutory public records exemptions in including the
    5
    "reasonable judgment of the record custodian" as part of the
    calculation.    See generally G. L. c. 4, § 7, Twenty-sixth.
    2.   Facts.   In February, 2014, People for the Ethical
    Treatment of Animals, Inc. (PETA), submitted two requests under
    G. L. c. 66, § 10, to the Department of Agricultural Resources
    (department).   The first sought access to "any and all permits,
    licenses, health certificates, and other documentation related
    to the export and/or import of nonhuman primates in
    Massachusetts during 2013."    The second sought access to "all
    records referencing, reflecting, or relating to alleged or
    claimed safety risks posed to animals (including but not limited
    to nonhuman primates), people and buildings involved with
    housing and transporting non-human primates."
    The department responded in April, 2014.     With respect to
    the first request, the department provided copies of eleven
    pages of interstate health certificates for nonhuman primates.
    The department redacted from the certificates three categories
    of information:   (1) the names and addresses of consignors and
    consignees, (2) United States Department of Agriculture license
    or registration numbers, and (3) the names, addresses, telephone
    numbers, and license numbers of all veterinarians whose
    6
    information appeared on the health certificates.4   The department
    expressed its view that disclosing such information "could
    compromise the security of locations housing non-human primates,
    thus increasing the risk to public safety of the animals as well
    as the people and buildings involved with housing and
    transporting the animals."   As a result, the department believed
    the information was exempt from the definition of "public
    records" pursuant to exemption (n).
    The department's response also referenced, and provided a
    copy of, a 2013 memorandum from the United States Department of
    Veterans Affairs (VA memorandum).   In the VA memorandum, the
    Freedom of Information Act (FOIA) Office of the Veterans Health
    Administration advised its FOIA field officers "not to release
    any personal information" about "personnel engaged in any way in
    animal research in response to requests for that information."
    With respect to PETA's second request, the department
    stated that it did not have any records regarding alleged or
    claimed safety risks posed to animals, people, or buildings
    involved with the housing and transport of nonhuman primates.
    PETA appealed from the department's response to the
    supervisor of public records, pursuant to G. L. c. 66, § 10 (b).
    4
    Although not specified in this initial response, the
    Department of Agricultural Resources (department) later asserted
    that the redacted information encompassed information pertaining
    to both facilities and specifically named individuals.
    7
    In June, 2014, the supervisor of public records resolved the
    appeal in the department's favor, noting its reliance on the VA
    memorandum and upholding its redactions.    The supervisor of
    public records stated that "[a]lthough the FOIA exemptions cited
    in the [VA] memorandum are not available to the [d]epartment as
    a means of responding to [PETA's] request, the manner in which
    this information is treated by the [F]ederal government is
    persuasive when examining the [d]epartment's [e]xemption (n)
    claim."
    3.     Procedural history.   In October, 2014, PETA filed a
    complaint in the Superior Court challenging the department's
    redactions and seeking injunctive and declaratory relief, per
    G. L. c. 66, § 10 (b).    In essence, the complaint alleged that
    the department had failed to meet its burden of showing that the
    sole exemption it relied on in making the redactions --
    exemption (n) -- applied to the redacted information, and
    therefore that the department's refusal to provide unredacted
    copies of the health certificates violated G. L. c. 66, § 10.
    After answering the complaint, the department filed an
    emergency motion for a protective order to stay discovery.        The
    department argued that discovery was unnecessary because it had
    relied on only three documents in determining that exemption (n)
    applied:   (1) the VA memorandum, discussed supra; (2) a 2013
    decision of the supervisor of public records applying exemption
    8
    (n) to an earlier, similar public records request from PETA; and
    (3) a 2013 memorandum from the department's legal division
    explaining its view that exemption (n), as well as the privacy
    exemption under FOIA, 
    5 U.S.C. § 552
    (b)(6) (2012), authorized
    the withholding of much, but not all, of the information
    redacted from PETA's 2014 request.5    PETA opposed the motion,
    arguing primarily that exemption (n) requires a fact-intensive
    inquiry that justified its discovery requests.    After a hearing,
    the Superior Court judge deferred ruling on the motion in order
    to allow the department to file a "comprehensive statement in
    support of its reasons" for claiming that exemption (n) applied,
    as well as an anticipated dispositive motion.
    The department then filed a memorandum in support of its
    motion.   In it, the department argued that it properly relied on
    exemption (n) in redacting the information described above.       It
    also argued, for the first time, that exemption (c) authorized
    the redaction of names, addresses, and telephone numbers
    pertaining to individuals (as opposed to facilities), which also
    appeared on the health certificates.    PETA argued in opposition
    that neither exemption applied.   Both sides attached numerous
    exhibits to their memoranda.
    5
    Specifically, this memorandum expressed the view that the
    name, address, and telephone number of the consignor "can be
    disclosed" under State and Federal law. With respect to PETA's
    2014 request, however, such information was redacted.
    9
    After another hearing, the judge ruled largely in the
    department's favor.   He determined that because exemption (n)
    includes such "deferential language" as "reasonable judgment"
    and "likely to jeopardize public safety," it required the court
    to give "a heightened level of deference to the keeper and
    supervisor of public records."     Thus, based on the VA memorandum
    and other documents submitted by the department, the judge
    concluded that the department had demonstrated with sufficient
    specificity that, in the department's reasonable judgment,
    release of information on the health certificates pertaining to
    "persons and facilities located in the Commonwealth" was likely
    to jeopardize public safety, and therefore was protected under
    exemption (n).6   Further, the judge concluded that the names,
    addresses, and telephone numbers identifying individual persons
    as consignees, consignors, or veterinarians are protected from
    disclosure under exemption (c).7
    6
    The judge also concluded that similar information related
    to persons and facilities located outside of Massachusetts was
    not protected by exemption (n). Neither party appeals from this
    component of the judgment. Therefore, we do not review it.
    7
    The decision below does not discuss whether other
    information redacted from the certificates, such as license
    numbers, accreditation numbers, permit numbers, and premises
    identification numbers, fall within the scope of the claimed
    exemptions. Nor do the parties discuss those pieces of
    information in their briefs. Accordingly, we do not address
    them here.
    10
    PETA appealed, and we transferred the case to this court on
    our own motion.
    Discussion.   It is uncontested that the animal health
    certificates that PETA requested fall within the general
    definition of "public records."    Thus, despite its unusual
    procedural background,8 this appeal turns on two questions of
    statutory construction:    the scope of exemptions (n) and (c).9
    We exercise de novo review of such questions.    See Monell v.
    Boston Pads, LLC, 
    471 Mass. 566
    , 569–570 (2015).
    1.   Exemption (n).   Exemption (n) contemplates the
    withholding of:
    "records, including, but not limited to, blueprints, plans,
    policies, procedures and schematic drawings, which relate
    to internal layout and structural elements, security
    measures, emergency preparedness, threat or vulnerability
    assessments, or any other records relating to the security
    8
    Primarily, this appeal requires us to review the grant of
    judgment to the department. It is unclear on the record before
    us precisely which rule of the Massachusetts Rules of Civil
    Procedure the judge relied upon in granting judgment to the
    department. Even assuming, as the parties urge, that the judge
    effectively granted summary judgment to the department, our
    approach would be the same because, given our interpretation
    today of the scope of exemptions (n) and (c), it cannot be said
    that "the moving party is entitled to judgment as a matter of
    law" (citation omitted). Massachusetts Insurers Insolvency Fund
    v. Smith, 
    458 Mass. 561
    , 564 (2010).
    9
    PETA also argues that the judge abused his discretion by
    entering judgment in the department's favor without permitting
    PETA further development of the factual record through
    discovery. On remand, the judge should consider whether
    additional discovery may be necessary or appropriate in light of
    the scope of the relevant exemptions discussed in this opinion.
    11
    or safety of persons or buildings, structures, facilities,
    utilities, transportation or other infrastructure located
    within the commonwealth, the disclosure of which, in the
    reasonable judgment of the record custodian, subject to
    review by the supervisor of public records under [G. L.
    c. 66, § 10 (b)], is likely to jeopardize public safety."
    G. L. c. 4, § 7, Twenty-sixth (n).
    The parties essentially agree that applying this exemption
    requires a two-part analysis.   First, it requires a threshold
    determination concerning the nature of the requested record.
    Id.   Second, it requires the records custodian to exercise
    "reasonable judgment" in determining that disclosure of the
    requested record is "likely to jeopardize public safety."     Id.
    That being said, however, the parties disagree as to
    precisely what these two components mean, the relationship
    between them, and whether they were satisfied in this case.      In
    particular, they disagree about whether the animal health
    certificates that PETA requested are swept within the scope of
    the exemption by the "any other records" clause.   Further, they
    disagree about what constitutes "reasonable judgment" in
    predicting "jeopard[y] [to] public safety," terms that are not
    defined in the statute.
    Construing the scope of exemption (n) appears to be a
    question of first impression for this court.   "Our primary duty
    is to interpret a statute in accordance with the intent of the
    Legislature."   Pyle v. School Comm. of S. Hadley, 
    423 Mass. 283
    ,
    12
    285 (1996).   Discerning the intent of the Legislature with
    respect to exemption (n) requires us to examine the plain
    meaning of the statutory language, and to draw upon the canons
    of construction known as noscitur a sociis ("it is known by its
    associates") and ejusdem generis ("of the same kind or class"),
    as well as the legislative history of the enactment.    See
    Black's Law Dictionary 631, 1224 (10th ed. 2014).
    We begin by examining the plain meaning of the statutory
    language, for if that language is "clear and unambiguous, it is
    conclusive as to the intent of the Legislature."    Deutsche Bank
    Nat'l Trust Co. v. Fitchburg Capital, LLC, 
    471 Mass. 248
    , 253
    (2015).   Upon examining the language of exemption (n), however,
    it is immediately apparent that the language is neither clear
    nor unambiguous as to the scope of the exemption.
    With respect to the first part of exemption (n), we
    confront a general term ("records"), followed by a nonexhaustive
    list of specific examples, followed by the general phrase "or
    any other records relating to the security or safety of persons
    or buildings."   G. L. c. 4, § 7, Twenty-sixth (n).    As the
    department points out, if we focus too closely on the listed
    examples, we risk giving too little weight to the Legislature's
    decision to include the "any other records" clause, thereby
    improperly narrowing the scope of exemption (n).    On the other
    hand, as PETA points out, if we focus too closely on the breadth
    13
    suggested by the "any other records" clause, we risk giving too
    little weight to the list of examples that the Legislature saw
    fit to include, thereby improperly expanding exemption (n)
    beyond what the Legislature intended.     The latter approach also
    would contravene our usual practice of interpreting exemptions
    to the public records laws narrowly.     See Hull Mun. Lighting
    Plant, 
    414 Mass. at 614
    .   With respect to the second part of
    exemption (n), the language of the statute offers no specific
    guidance as to what the Legislature intended by the phrases
    "reasonable judgment" and "likely to jeopardize public safety."
    G. L. c. 4, § 7, Twenty-sixth (n).
    When faced with a similar interpretive issue in the past,
    we have, on occasion, applied the canon of noscitur a sociis,
    which counsels that "ordinarily the coupling of words denotes an
    intention that they should be understood in the same general
    sense."   Commonwealth v. Hamilton, 
    459 Mass. 422
    , 432 (2011),
    quoting 2A N.J. Singer, Sutherland Statutory Construction
    § 47:16, at 352–353 (7th ed. 2007).     In other words,
    "[a] general term in a statute or ordinance takes meaning
    from the setting in which it is employed. The literal
    meaning of a general term in an enactment must be limited
    so as not to include matters that, although within the
    letter of the enactment, do not fairly come within its
    spirit and intent."
    Kenney v. Building Comm'r of Melrose, 
    315 Mass. 291
    , 295 (1943).
    We also have applied a close relative of this doctrine known as
    14
    ejusdem generis.    See Banushi v. Dorfman, 
    438 Mass. 242
    , 244
    (2002).   This canon counsels that "[w]here general words follow
    specific words in a statutory enumeration, the general words are
    construed to embrace only objects similar in nature to those
    objects enumerated by the preceding specific words."      
    Id.,
    quoting 2A N.J. Singer, Sutherland Statutory Construction
    § 47:17, at 273–274 (6th ed. 2000).
    Applying those canons here suggests a narrow interpretation
    of exemption (n).   In particular, they caution against
    interpreting the general language regarding "any other records
    relating to the security or safety of persons or buildings" as
    enlarging the scope of the statute beyond the legislative raison
    d'etre evinced by the enumerated list of examples.     In other
    words, while the class of records that may qualify for
    exemption (n) is open, and not closed, we must interpret the
    "any other records" clause as embracing only those records that,
    when released, are "likely to jeopardize public safety" in a
    similar way to one of the examples listed in exemption (n).
    Where, as here, the language of a statute itself is not
    conclusive as to the Legislature's intent, we also may seek
    guidance from the legislative history.   ENGIE Gas & LNG LLC v.
    Department of Pub. Utils., 
    475 Mass. 191
    , 199–200 (2016).        Much
    of that history further supports a narrow interpretation of
    exemption (n).
    15
    Exemption (n) was enacted as one of twelve sections in "An
    Act providing protections against terrorism" (act).    See
    St. 2002, c. 313.     That title speaks for itself in terms of the
    Legislature's thinking at the time it adopted exemption (n).
    Its thrust is reinforced by other contextual clues, including
    the timing of the enactment and contemporaneous media coverage.
    Specifically, the act was passed by the Legislature and signed
    into law in September, 2002 -- the one-year anniversary of the
    September 11, 2001, attacks on the World Trade Center and the
    Pentagon.   See Anti-Terror Bill Sent to [then Acting Governor
    Jane M.] Swift's Desk, State House News Service, Sept. 3, 2002;
    Swift Signs Anti-Terrorism Legislation, Executive Department
    Press Release, Sept. 10, 2002.
    The preenactment history behind exemption (n) corroborates
    the notion that protecting the public from terrorist attacks in
    a post-September 11, 2001, world was the animating principle
    underlying its adoption.     Exemption (n) was proposed by Acting
    Governor Swift.     See Letter from Acting Governor Swift to Senate
    and House of Representatives, June 26, 2002.     The letter makes
    clear that the acting Governor believed that such an exemption
    was necessary following the events of September 11, 2001.     
    Id.
    She described the legislation as "carv[ing] out a very narrow
    exemption to the definition of public records for those
    materials pertaining to public safety including threat
    16
    assessments, security plans and certain records depicting
    critical infrastructure."   
    Id.
       The letter indicates that the
    acting Governor had in mind "certain records pertaining to state
    and local government's ability to protect its resources as well
    as other sensitive infrastructure" and hoped to "encourage
    private industries to share sensitive information regarding
    their respective security plans with law enforcement without the
    risk of automatic public disclosure."    
    Id.
       Similarly, the
    Executive Office of Public Safety described exemption (n) as
    encompassing records of "the type that terrorists would find
    useful to maximize damage, such as threat assessments, security
    plans and structural documents depicting critical
    infrastructure."10   Memorandum, Executive Office of Public
    Safety, September 5, 2002 (EOPS Memorandum).
    Given this legislative history and the canons of statutory
    construction operative here, we conclude that the following
    construction of exemption (n) strikes the appropriate balance.
    10
    The Legislature's only substantive change to the language
    that Acting Governor Swift proposed for exemption (n) was to
    modify the "reasonable judgment of the record custodian" by
    adding the phrase "subject to review by the supervisor of public
    records [G. L. c. 66, § 10 (b)]." See Amendment to House Doc.
    No. 5272 dated July 24, 2002. While any decision by a records
    custodian to withhold records already was subject to review by
    the supervisor of public records, see G. L. c. 66, § 10 (b), the
    Legislature's emphasis on the availability of such review
    indicates its understanding that exemption (n) was not an
    unbounded, unreviewable expansion of the discretion of records
    custodians.
    17
    The first prong of exemption (n) probes whether, and to
    what degree, the record sought resembles the records listed as
    examples in the statute.    The touchstone of this inquiry is
    whether, and to what degree, the record is one a terrorist
    "would find useful to maximize damage," EOPS Memorandum, and in
    that sense jeopardize public safety.11
    The second prong of exemption (n) probes the factual and
    contextual support for the proposition that disclosure of the
    record is "likely to jeopardize public safety."     G. L. c. 4,
    § 7, Twenty-sixth (n).     Because the records custodian must
    exercise "reasonable judgment" in making that determination, the
    primary focus on review is whether the custodian has provided
    sufficient factual heft for the supervisor of public records or
    the reviewing court to conclude that a reasonable person would
    agree with the custodian's determination given the context of
    the particular case.12
    11
    The statutory language makes clear that this jeopardy to
    public safety contemplates damage to "persons or buildings . . .
    or other infrastructure." G. L. c. 4, § 7, Twenty-sixth (n).
    12
    On this point, we observe that the Secretary of the
    Commonwealth, through regulations and a guide, appears to view
    exemption (n) as uniquely permitting a records custodian to
    inquire into the requestor's purpose for seeking a particular
    record before determining whether to release it. See 950 Code
    Mass. Regs. § 32.06(2)(h)(1) (2017); Secretary of the
    Commonwealth, Division of Public Records, A Guide to the
    Massachusetts Public Records Law 27 (updated Jan. 2017). We do
    not decide whether this inquiry is appropriate, as that issue is
    18
    These two prongs of exemption (n) must be analyzed
    together, because there is an inverse correlation between them.
    That is, the more the record sought resembles the records
    enumerated in exemption (n), the lower the custodian's burden in
    demonstrating "reasonable judgment" -- and vice versa.
    In some cases, the first prong of exemption (n) will yield
    a strong resemblance between the record sought and the types of
    records listed in the statute -- for instance, when a requestor
    seeks access to exactly one of the types of records listed in
    exemption (n), such as a blueprint or emergency preparedness
    plan.   In those cases, with respect to the second prong of
    exemption (n), the custodian still bears the burden of
    demonstrating that it exercised "reasonable judgment" in
    determining that disclosure of the record is "likely to
    jeopardize public safety," G. L. c. 4, § 7, Twenty-sixth (n).
    But this burden will be at its lowest.
    Conversely, as the resemblance between the record sought
    and the listed examples in exemption (n) decreases, the
    custodian's burden for demonstrating "reasonable judgment"
    increases.   Thus, when the requested record bears little or no
    not directly before us. We note, however, that nothing we
    discovered in our review of the legislative history indicated an
    intent to depart radically from the typical public records
    procedure, which would not permit such an inquiry. See 950 Code
    Mass. Regs. § 32.06(2)(h). See also note 10, supra.
    19
    resemblance to the listed examples, the custodian's burden for
    demonstrating that it exercised "reasonable judgment" in
    determining that disclosure of the record is "likely to
    jeopardize public safety" will be at its highest.
    We recognize that the Superior Court judge did not have the
    benefit of our construction of exemption (n) when he granted
    judgment to the department.   Therefore, we vacate the decision
    and remand the matter for consideration of PETA's request in
    light of this opinion.   See Blixt v. Blixt, 
    437 Mass. 649
    , 660,
    666 (2002), cert. denied, 
    537 U.S. 1189
     (2003) (reversing and
    remanding for further consideration in light of court's
    interpretation of governing statute).
    In this regard, it is well to note that exemption (n) is
    unique among the public records exemptions in its inclusion of
    the phrase "reasonable judgment of the record custodian."     See
    generally G. L. c 4, § 7, Twenty-sixth.     Such language neither
    requires or even invites any heightened level of deference to
    the records custodian's initial determination whether to
    disclose or withhold a record.   Rather, we agree with the
    department's concession at oral argument:    that a court should
    review the custodian's determination de novo.    Cf. Wakefield
    Teachers Ass'n v. School Comm. of Wakefield, 
    431 Mass. 792
    , 796
    (2000) (application of statutory exemption from definition of
    "public records" is question of statutory interpretation);
    20
    Champa v. Weston Pub. Sch., 
    473 Mass. 86
    , 89-90, 96 (2015)
    (following supervisor of public records' decision, court
    reviewed de novo order allowing judgment on pleadings).
    2.   Exemption (c).    The judge also approved the
    department's redaction of the names, addresses, and telephone
    numbers identifying individual persons as consignees,
    consignors, or veterinarians.   The judge concluded that
    exemption (c) protects such information from disclosure because
    the identified individuals "have a considerable privacy interest
    in their identities, addresses, and telephone numbers" that is
    not substantially outweighed by the public interest in releasing
    that information.
    Unlike exemption (n), exemption (c) previously has been the
    subject of our consideration in a number of different contexts.
    Exemption (c) permits the withholding of "personnel and medical
    files or information," as well as "any other materials or data
    relating to a specifically named individual, the disclosure of
    which may constitute an unwarranted invasion of personal
    privacy."   G. L. c. 4, § 7, Twenty-sixth (c).
    Exemption (c) requires a balancing test:     where the public
    interest in obtaining the requested information substantially
    outweighs the seriousness of any invasion of privacy, the
    private interest in preventing disclosure must yield.      See
    Champa, 473 Mass. at 96.   On one side of the scale, we have
    21
    looked to three factors to assess the weight of the privacy
    interest at stake:    (1) whether disclosure would result in
    personal embarrassment to an individual of normal sensibilities;
    (2) whether the materials sought contain intimate details of a
    highly personal nature;13 and (3) whether the same information is
    available from other sources.    Globe Newspaper Co. v. Police
    Comm'r of Boston, 
    419 Mass. 852
    , 858 (1995).    We have also said
    that "other case-specific relevant factors" may influence the
    calculus.   
    Id.
       On the other side of the scale, we have said
    that the public has a recognized interest in knowing whether
    public servants are carrying out their duties in a law-abiding
    and efficient manner.14   
    Id.
    13
    Looking to the Federal counterpart to exemption (c) as a
    guide, we have said that such "intimate details" may include
    "marital status, legitimacy of children, identity of fathers of
    children, medical condition, welfare payments, alcohol
    consumption, family fights, [and] reputation" (citations
    omitted). Attorney Gen. v. Assistant Comm'r of the Real Prop.
    Dep't of Boston, 
    380 Mass. 623
    , 626 n.2 (1980), and cases cited.
    We also have said that the "[n]ames and addresses of adults are
    not 'intimate details' of a 'highly personal nature'" (citation
    omitted). Cape Cod Times v. Sheriff of Barnstable County, 
    443 Mass. 587
    , 595 (2005).
    14
    PETA has not attempted to articulate a public interest in
    obtaining the information sought. Instead, it has argued that
    because there is no privacy interest whatsoever in business
    contact information, the burden has not yet shifted to PETA to
    articulate a public interest that might overcome the privacy
    interest. Accordingly, if the judge on remand finds some
    privacy interest does exist in the redacted information, PETA
    must be afforded an opportunity to articulate a public interest
    on the other side of the balancing test.
    22
    PETA argues that the judge erred by presuming that publicly
    available business contact information implicated a privacy
    interest, and thereby inappropriately shifted the burden to PETA
    to show that the public interest in disclosure substantially
    outweighed a nonexistent privacy interest.   The department did
    not advance a privacy rationale until well after it made the
    redactions in question.   Nevertheless, it now urges us to adopt
    the judge's reasoning that the information in question does
    implicate a measurable privacy interest (stemming from the
    purported safety risks associated with releasing such
    information), and that this privacy interest is not
    substantially outweighed by any public interest in the release
    of the information.
    Exemption (c) requires a nuanced analysis.   At the outset,
    the application of exemption (c) in this case must account for
    the difference between the privacy interest in one's home
    address and the privacy interest in one's business address.15
    15
    PETA appears to assume that the redacted information
    related to individuals (as opposed to facilities) pertains only
    to their place of business; the department does not directly
    refute this point. Because of the department's redactions, the
    record itself sheds no light on the subject. On remand, in
    order to allow the judge to calibrate the privacy balancing test
    properly, the parties may stipulate as to the precise nature of
    this information, or the judge may employ some other mechanism,
    such as in camera review, for discerning the nature of the
    information sought. See Worcester Tel. & Gazette Corp. v. Chief
    23
    Compare Federal Labor Relations Auth. v. United States Dep't of
    Navy, Naval Communications Unit Cutler, E. Machias, Me., 
    941 F.2d 49
    , 55–56 (1st Cir. 1991) (privacy interest in one's name
    and home address is "discernible" and "real enough to be worthy
    of recognition and protection in appropriate circumstances"),
    with Cape Cod Times v. Sheriff of Barnstable County, 
    443 Mass. 587
    , 595 (2005) ("Names and addresses of adults are not
    'intimate details' of a 'highly personal nature,'" therefore
    exemption [c] "does not bar inspection of records containing the
    names and addresses of individuals who serve as reserve deputy
    sheriffs" [citation omitted]); Pottle v. School Comm. of
    Braintree, 
    395 Mass. 861
    , 864 (1985) (public school employees'
    names and home addresses do not fall within exemption [c]); and
    Hastings & Sons Publ. Co. v. City Treasurer of Lynn, 
    374 Mass. 812
    , 818 (1978) (municipal payroll records, which included names
    and addresses of employees, "not the kind of private facts that
    the Legislature intended to exempt from mandatory disclosure"
    with exemption [c]).
    We acknowledge that cases like Cape Cod Times and Pottle
    dealt with the home addresses of public employees, whereas this
    case appears to implicate the business addresses of nonpublic
    employees.   See Georgiou v. Commissioner of the Dep't of Indus.
    of Police of Worcester, 
    436 Mass. 378
    , 384-385 (2002)
    (discussing various mechanisms for judicial inspection).
    24
    Accs., 
    67 Mass. App. Ct. 428
    , 435–436 (2006) (recognizing public
    employees' diminished expectation of privacy in certain
    information).     But exemptions to the public records laws must be
    applied on a case-by-case basis, Worcester Tel. & Gazette Corp.,
    436 Mass. at 383–384, and "the same information about a person,
    such as his name and address, might be protected from disclosure
    as an unwarranted invasion of privacy in one context and not in
    another."   Torres v. Attorney Gen., 
    391 Mass. 1
    , 9 (1984).
    Accordingly, the exemption (c) balancing test in this case
    should account for the different privacy interests in a home
    address versus a business address, and held by a public employee
    versus a private one.
    Relatedly, the exemption (c) balancing test must account
    for the fact that the gravity of any putative invasion of
    privacy resulting from disclosure of the records sought may be
    reduced if "substantially the same information is available from
    other sources."    Attorney Gen. v. Collector of Lynn, 
    377 Mass. 151
    , 157 (1979).     Indeed, one reason that a person's business
    address normally will give rise to a lower privacy interest than
    her home address is that business addresses typically are widely
    shared with others and, in this case at least, may well be
    exposed to scrutiny by researchers, government agencies,
    25
    shippers, and possibly others.16   See Brown v. Perez, 
    835 F.3d 1223
    , 1235 (10th Cir. 2016) ("It is not intuitive to us that the
    referee physicians possess a cognizable privacy interest in
    their business addresses -- after all, it is in their economic
    interests to make their office locations generally available to
    the public, so that patients can visit for evaluation and
    treatment").
    Finally, the department raises the suggestion that risks to
    the personal safety of individuals from the release of certain
    requested information should be factored into the exemption (c)
    balancing calculus.    Given the record and the briefs before us,
    it is a suggestion to be approached quite gingerly.
    On the one hand, we have not located any cases of this
    court interpreting or applying exemption (c) in the way the
    department proposes.   Indeed, our cases have cabined the scope
    of exemption (c) in a way that would seem to minimize the
    relevance of potential security concerns to the privacy
    16
    The department's observation that "PETA does not suggest
    that the identities of the same persons identified in the
    certificates at issue here have already been disclosed" rings
    somewhat hollow; PETA could not know the identities on the
    certificates because the department redacted them. If the
    department decides to pursue that point on remand, it carries
    the burden of showing that the exemption applies. See G. L.
    c. 66, § 10 (c). Consequently, as mentioned in note 15, supra,
    some type of stipulation or in camera inspection might be
    necessary to determine whether some or all of the information is
    already available in the public domain before a ruling on the
    privacy exemption is possible.
    26
    calculus.17   See, e.g., Hastings & Sons Publ. Co., 
    374 Mass. at 817-818
     (municipal police officers' names and addresses not
    protected by exemption [c]); Cape Cod Times, 443 Mass. at 594
    (same regarding names and addresses of reserve deputy sheriffs).
    On the other hand, we have said that "the same information about
    a person, such as his name and address, might be protected from
    disclosure as an unwarranted invasion of privacy in one context
    and not in another."     Torres, 
    391 Mass. at 9
    .   Accordingly, we
    are unwilling to eliminate wholly the possibility that, in very
    limited circumstances where the department can identify specific
    information demonstrating that a significant risk to an
    individual's personal safety is posed by the disclosure of a
    home address or telephone number, that non-dispositive factor
    can add weight to whatever privacy interest exists on that side
    of the balancing test.
    In sum, the exemption (c) analysis should be tailored to
    the several "case-specific relevant factors," Globe Newspaper
    17
    It appears that precisely such concerns motivated the
    adoption, in 1996, of G. L. c. 66, § 10 (d), third par., as
    amended through St. 2010, c. 256, §§ 58-59, which, at the time
    relevant to this case, exempted from the definition of "public
    records" the "home address and home telephone number of law
    enforcement, judicial, prosecutorial, . . . and any other public
    safety and criminal justice system personnel." See, e.g.,
    Memorandum, Office of the Governor's Legal Counsel, Mar. 12,
    1996 (subsection (d), third par., aimed "to protect persons
    whose employment might subject them or their family members to
    harassment or retaliation").
    27
    Co., 419 Mass. at 858, that PETA's request presents.   Among them
    are (1) whether the redacted information pertains to home or
    business addresses of public or private entities; (2) whether,
    and to what extent, that information is available from other
    sources; and (3) whether, and to what extent, the department can
    identify specific information demonstrating that a significant
    risk to an individual's personal safety is posed by the
    disclosure of a home address or telephone number that may be
    among the redacted information.
    Conclusion.   The entry of judgment for the defendant is
    vacated and set aside.   The matter is remanded to the Superior
    Court for further proceedings consistent with this opinion.
    So ordered.