Accel, Inc. v. Testa (Slip Opinion) , 152 Ohio St. 3d 262 ( 2017 )


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  • [Until this opinion appears in the Ohio Official Reports advance sheets, it may be cited as
    Accel, Inc. v. Testa, Slip Opinion No. 
    2017-Ohio-8798
    .]
    NOTICE
    This slip opinion is subject to formal revision before it is published in an
    advance sheet of the Ohio Official Reports. Readers are requested to
    promptly notify the Reporter of Decisions, Supreme Court of Ohio, 65
    South Front Street, Columbus, Ohio 43215, of any typographical or other
    formal errors in the opinion, in order that corrections may be made before
    the opinion is published.
    SLIP OPINION NO. 
    2017-OHIO-8798
    ACCEL, INC., APPELLEE AND CROSS-APPELLANT, v. TESTA, TAX COMMR.,
    APPELLANT AND CROSS-APPELLEE.
    [Until this opinion appears in the Ohio Official Reports advance sheets, it
    may be cited as Accel, Inc. v. Testa, Slip Opinion No. 
    2017-Ohio-8798
    .]
    Sales and use tax—R.C. 5739.02(B)(42)(a) and 5739.01(R)—Tax exemption for
    purchases of items used in “assembling” or “assembly”—R.C.
    5739.01(JJ)(3)—Tax exemption for employment-services transactions
    involving employees assigned “on a permanent basis”—Decision of Board
    of Tax Appeals affirmed.
    (No. 2015-1332—Submitted September 26, 2017—Decided December 6, 2017.)
    APPEAL from the Board of Tax Appeals, No. 2012-2840.
    ____________________
    Per Curiam.
    {¶ 1} The Ohio Tax Commissioner, appellant and cross-appellee,
    conducted a consumer-use-tax audit of certain purchases made by appellee and
    cross-appellant, Accel, Inc., during the period January 1, 2003, through December
    SUPREME COURT OF OHIO
    31, 2009, and the tax commissioner issued a tax assessment based on that audit. On
    appeal, the Board of Tax Appeals (“BTA”) affirmed the assessment in part and
    reversed the assessment in part.
    {¶ 2} The BTA reversed the imposition of use tax on materials Accel
    acquired to be used and incorporated into gift sets, holding that the purchases were
    entitled to exemption under R.C. 5739.02(B)(42)(a) and 5739.01(R) because the
    preparation of the gift sets involved “assembling” or “assembly.” The BTA also
    reversed the imposition of use tax on certain transactions by which Accel obtained
    “employment services” through one of its suppliers, holding that the transactions
    were exempt under R.C. 5739.01(JJ)(3), which exempts transactions involving the
    assignment of employees “on a permanent basis.” The tax commissioner appeals
    these findings and asserts in conjunction with his appeal that the BTA should have
    deferred to his own factual findings.
    {¶ 3} In its cross-appeal, Accel contests the BTA’s ruling that no portion of
    the assessment is time-barred by R.C. 5703.58(B). Accel also contends that the
    production of gift sets qualifies for exemption directly under the definition of
    “manufacturing operation” in R.C. 5739.01(S) and that the employment-services
    transactions with a different supplier should also have been exempted.
    {¶ 4} Finally, each party contests the BTA’s decision to admit into evidence
    the report and testimony of the opposing party’s expert witness.
    {¶ 5} Based on our review of the issues presented, the record before us, the
    briefs, and the relevant case law, we conclude that the BTA acted reasonably and
    lawfully with respect to all of the contested findings. We therefore affirm the
    decision of the BTA.
    COURSE OF PROCEEDINGS
    {¶ 6} The tax commissioner issued a use-tax assessment against Accel on
    January 18, 2011. Accel petitioned for reassessment, and the tax commissioner
    issued his final determination on June 26, 2012, stating the amount of unpaid use
    2
    January Term, 2017
    tax as $2,447,159.84, plus preassessment interest of $651,862.91 and a penalty of
    $122,357.99, for a total assessment of $3,221,380.74. Accel appealed to the BTA.
    {¶ 7} The BTA held a hearing at which Accel presented the testimony of its
    president, its cost-accounting manager, an expert on manufacturing, the tax
    department’s audit agent, Accel’s chief financial officer, and the chief financial
    officer of Resource Staffing, Inc., a company through which Accel obtained some
    of its workers. The tax commissioner presented the testimony of an expert on
    packaging. Numerous exhibits were introduced into evidence, some subject to
    objections to be resolved by the BTA in its decision.
    {¶ 8} The BTA found that those items purchased by Accel that, through
    “assembly,” became part of the gift sets qualified for exemption. BTA No. 2012-
    2840, 
    2015 WL 4410600
    , *3-4 (July 15, 2015). It arrived at this conclusion in two
    steps. First, the BTA stated that Accel was not engaged in “merely packaging
    products,” and it went on to find that “Accel’s activities do not involve packaging.”
    Id. at *3. Second, the BTA determined that Accel’s preparation of the gift sets did
    constitute “assembly.” Id. at *4.
    {¶ 9} Next, the BTA found that the evidence showed that the employees
    supplied to Accel by Resource Staffing were assigned “on a permanent basis,” with
    the result that Accel did not owe sales or use tax on the purchase of employment
    services from Resource Staffing. Id. at *5. In contrast, the BTA found that there
    was insufficient evidence for it to find that employees supplied to Accel by
    Manpower, Inc., were assigned on a permanent basis, so those transactions were
    found to be taxable. Id. at *6.
    {¶ 10} Finally, the BTA found that R.C. 5703.58(B) imposed no time bar
    on any aspect of the assessment, because that provision did not take effect until
    after the tax commissioner issued the assessment. Id.
    3
    SUPREME COURT OF OHIO
    ANALYSIS
    Standard of Review
    {¶ 11} In reviewing a decision of the BTA, we determine whether the
    decision is “reasonable and lawful.” Satullo v. Wilkins, 
    111 Ohio St.3d 399
    , 2006-
    Ohio-5856, 
    856 N.E.2d 954
    , ¶ 14.           Although the BTA is responsible for
    determining factual issues, this court “ ‘will not hesitate to reverse a BTA decision
    that is based on an incorrect legal conclusion.’ ” 
    Id.,
     quoting Gahanna-Jefferson
    Local School Dist. Bd. of Edn. v. Zaino, 
    93 Ohio St.3d 231
    , 232, 
    754 N.E.2d 789
    (2001).
    The BTA Reviews Tax-Commissioner Determinations De Novo
    {¶ 12} Under his second proposition of law, the tax commissioner argues
    that the BTA erred because it “merely substituted its own fact finding for that of
    the Tax Commissioner.” The tax commissioner relies on Hatchadorian v. Lindley,
    
    21 Ohio St.3d 66
    , 
    488 N.E.2d 145
     (1986), paragraph one of the syllabus, which
    articulates a “clearly unreasonable or unlawful” standard for rebutting the tax
    commissioner’s findings. We have mentioned that standard in subsequent cases.
    E.g., Am. Fiber Sys., Inc. v. Levin, 
    125 Ohio St.3d 374
    , 
    2010-Ohio-1468
    , 
    928 N.E.2d 695
    , ¶ 42; Newman v. Levin, 
    120 Ohio St.3d 127
    , 
    2008-Ohio-5202
    , 
    896 N.E.2d 995
    , ¶ 31; Nusseibeh v. Zaino, 
    98 Ohio St.3d 292
    , 
    2003-Ohio-855
    , 
    784 N.E.2d 93
    , ¶ 10. Although the “clearly unreasonable and unlawful” standard does
    imply that the BTA should accord deference to the tax commissioner’s findings of
    fact, two strands of case law establish that deference is not required.
    {¶ 13} First, longstanding case law unequivocally holds that the BTA’s
    standard for reviewing the tax commissioner’s findings is de novo, as to both facts
    and law. Key Servs. Corp. v. Zaino, 
    95 Ohio St.3d 11
    , 16, 
    764 N.E.2d 1015
     (2002),
    citing Higbee Co. v. Evatt, 
    140 Ohio St. 325
    , 332, 
    43 N.E.2d 273
     (1942); accord
    MacDonald v. Shaker Hts. Bd. of Income Tax Rev., 
    144 Ohio St.3d 105
    , 2015-Ohio-
    4
    January Term, 2017
    3290, 
    41 N.E.3d 376
    , ¶ 21. De novo review is, of course, the opposite of deferential
    review.
    {¶ 14} Second, our case law establishes—without any reference to a
    “clearly unreasonable” standard—that the tax commissioner’s findings are
    presumed valid subject to rebuttal: “The rule is well settled that a taxpayer
    challenging the assessment has the burden to ‘ “ ‘show in what manner and to what
    extent * * * the commissioner’s investigation and audit, and the findings and
    assessments based thereon, were faulty and incorrect.’ ” ’ ” Krehnbrink v. Testa,
    
    148 Ohio St.3d 129
    , 
    2016-Ohio-3391
    , 
    69 N.E.3d 656
    , ¶ 30, quoting Maxxim Med.,
    Inc. v. Tracy, 
    87 Ohio St.3d 337
    , 339, 
    720 N.E.2d 911
     (1999), quoting Federated
    Dept. Stores, Inc. v. Lindley, 
    5 Ohio St.3d 213
    , 215, 
    450 N.E.2d 687
     (1983), quoting
    Midwest Transfer Co. v. Porterfield, 
    13 Ohio St.2d 138
    , 141, 
    235 N.E.2d 511
    (1968).      Notably, under this standard, the burden for rebutting the tax
    commissioner’s findings is simply to prove that the findings were incorrect.
    {¶ 15} We recently invoked the Hatchadorian standard in the context of
    vacating a finding of the BTA that had contradicted the tax commissioner’s own
    finding that a trust was a “nonresident trust” for purposes of R.C. 5747.01(I)(3).
    T. Ryan Legg Irrevocable Trust v. Testa, 
    149 Ohio St.3d 376
    , 
    2016-Ohio-8418
    , 
    75 N.E.3d 184
    , ¶ 62-63. But close examination shows that our decision in that case
    did not require the BTA to defer to the tax commissioner as a finder of fact. To the
    contrary, we set forth two specific reasons for setting aside the BTA’s finding of
    the trust’s residency. First, the BTA’s finding was defective because the BTA
    failed to consider one essential statutory element of trust residency. Id. at ¶ 58.
    Second, the tax commissioner’s finding that the trust was a nonresident trust had
    not been contested at the BTA and no probative evidence had been presented to
    show that the tax commissioner’s original determination was factually incorrect.
    Id. at ¶ 62. These considerations did not cause us to reverse the BTA’s residency
    finding; instead, we vacated the BTA’s finding on the grounds that the presumptive
    5
    SUPREME COURT OF OHIO
    validity of the tax commissioner’s finding had not been rebutted because it had not
    been contested, with an offer of proof, at the BTA. Id. at ¶ 63. Thus, as relevant
    here, T. Ryan Legg Irrevocable Trust stands for nothing more than the proposition
    that the BTA must affirm a finding of the tax commissioner when the finding has
    not been shown to be incorrect.
    {¶ 16} For the foregoing reasons, we reject the tax commissioner’s second
    proposition of law.     We hold that the BTA owed no deference to the tax
    commissioner’s findings beyond placing the evidentiary burden on the taxpayer,
    Accel, to show them to be, by a preponderance of the evidence, incorrect. And in
    reviewing the BTA’s own factual findings, “[w]e must affirm * * * if they are
    supported by reliable and probative evidence, and we afford deference to the BTA’s
    determination of the credibility of witnesses and its weighing of the evidence
    subject only to an abuse-of-discretion review on appeal.” HealthSouth Corp. v.
    Testa, 
    132 Ohio St.3d 55
    , 
    2012-Ohio-1871
    , 
    969 N.E.2d 232
    , ¶ 10.
    Accel’s Preparation of Gift Sets Could Reasonably Be Found to Involve
    “Assembling” or “Assembly”
    {¶ 17} R.C. 5739.02(B)(42)(a) provides an exemption from taxation for
    “[s]ales where the purpose of the purchaser is to * * * incorporate the thing
    transferred as a material or a part into tangible personal property to be produced for
    sale by manufacturing, assembling, processing, or refining * * *.” (Emphasis
    added.) “Manufacturing” is not by itself defined, but “manufacturing operation” is
    defined in R.C. 5739.01(S):
    “Manufacturing operation” means a process in which
    materials are changed, converted, or transformed into a different
    state or form from which they previously existed and includes
    refining materials, assembling parts, and preparing raw materials
    and parts by mixing, measuring, blending, or otherwise committing
    6
    January Term, 2017
    such    materials   or   parts   to   the   manufacturing    process.
    “Manufacturing operation” does not include packaging.
    (Emphasis added.) R.C. 5739.01(R) defines “assembly” and “assembling” as
    “attaching or fitting together parts to form a product, but [assembly and assembling]
    do not include packaging a product.”
    {¶ 18} The BTA applied these interlocking definitions to find that Accel’s
    gift-set production involved “assembly” or “assembling” but not “manufacturing”
    per se. According to the BTA, Accel was attaching or fitting together components
    to create a new whole but it was not engaging in an operation producing the type
    of change of form that characterizes manufacturing per se. 
    2015 WL 44106005
     at
    *4, citing Sauder Woodworking Co. v. Limbach, 
    38 Ohio St.3d 175
    , 177, 
    527 N.E.2d 296
     (1988). The BTA also specifically found that Accel’s activities did not
    constitute “packaging.” Id. at *3.
    {¶ 19} Under his third proposition of law, the tax commissioner contests the
    BTA’s finding that Accel was not engaged in “packaging”; under his fourth
    proposition of law, the tax commissioner challenges the finding that “assembling”
    was involved. In its cross-appeal, Accel challenges the BTA’s finding that it was
    not engaged in “manufacturing.” Although we agree with the tax commissioner
    that the activity at issue did meet the definition of “packaging,” we reject his
    contention that the activity did not constitute “assembling.” And because we hold
    that the BTA reasonably and lawfully found that assembling was involved, we need
    not consider whether Accel was engaged in manufacturing per se.
    {¶ 20} At the outset, there was sufficient evidence to support the BTA’s
    finding that “Accel does more than merely package products,” 
    2015 WL 4410600
    at *3, and that Accel engaged in “assembling.” Accel’s cost-accounting manager
    testified that Accel produced its gift sets through a three-stage process—a design
    phase, a planning phase, and an assembly phase. In the design phase, Accel worked
    7
    SUPREME COURT OF OHIO
    with its clients “to brainstorm ideas on how to build that gift set, how that gift set
    is going to be presented in an aesthetic form so that it is sellable in a retail
    environment.” The design phase also involved drawing up a written “specification”
    document setting forth instructions for building the gift set and stating the materials
    to be used. Those instructions were then incorporated into an internal document
    for Accel’s use that set forth the production-line procedures it would employ. The
    initial two phases involved determining the costs of the items to be included in the
    gift set and the cost of the labor to do the assembly. The design and planning
    process usually took between two and six months to complete before the assembly
    phase began. According to its cost-accounting manager, Accel was engaging in
    approximately 217 such projects per year at the time of the BTA hearing.
    {¶ 21} The tax commissioner levels a four-pronged legal challenge to the
    BTA’s finding. First, the tax commissioner argues that a canon of statutory
    construction, noscitur a sociis, calls for construing “assembling” to involve a
    change in state or form in the same way “manufacturing,” “processing,” and
    “refining” would. The Latin phrase means “it is known by its associates,” Black’s
    Law Dictionary 1224 (10th Ed.2014); the tax commissioner maintains that the
    scope accorded to “assembling” must be limited by the other terms included in R.C.
    5739.02(B)(42)(a).
    {¶ 22} We disagree.       The fact that the legislature chose to define
    “assembling” in R.C. 5739.01(R) in accordance with its ordinary meaning indicates
    the intent that “assembling” adds an element to the listing in R.C.
    5739.02(B)(42)(a) that is otherwise absent. Under this reading, “assembling”
    extends the exemption to situations in which there is no transformation of
    substances but there is a putting together of components into a new functional (or
    in this case aesthetic) whole. See Webster’s Third New International Dictionary
    131 (2002) (defining “assemble” in part as “to fit together various parts of so as to
    8
    January Term, 2017
    make into an operative whole”). This is clear enough that we need not resort to the
    statutory canon noscitur a sociis.
    {¶ 23} Second, the tax commissioner argues that because the definition of
    “assembling” in R.C. 5739.01(R) excludes “packaging,” any activity that qualifies
    as “packaging” cannot constitute “assembling.”         Thus, according to the tax
    commissioner, even if an activity independently qualifies as manufacturing,
    assembling, processing, or refining, it does not trigger the exemption if it also
    constitutes “packaging.”
    {¶ 24} To consider this argument, it is necessary to consult the statutory
    definition of “packaging”; R.C. 5739.02(B)(15) defines “packages” and
    “packaging” in connection with the packaging exemption as follows:
    “Packages” includes bags, baskets, cartons, crates, boxes, cans,
    bottles, bindings, wrappings, and other similar devices and
    containers, but does not include motor vehicles or bulk tanks,
    trailers, or similar devices attached to motor vehicles. “Packaging”
    means placing in a package.
    (Emphasis added.)
    {¶ 25} The preparation of gift sets clearly involves “placing in a package”
    because the various items Accel included in the gift sets—manufactured soaps,
    lotions, and other accessory and toiletry items—were boxed, wrapped, and bound
    together in being made part of a gift set. Moreover, the activity satisfies the case-
    law consideration that “packaging” involves “restrain[ing] movement” of the items
    in the gift set “in more than one plane of direction.” Custom Beverage Packers,
    Inc. v. Kosydar, 
    33 Ohio St.2d 68
    , 73, 
    294 N.E.2d 672
     (1973). We accordingly
    disagree with the BTA’s conclusion that Accel’s activities did not constitute
    “packaging.”
    9
    SUPREME COURT OF OHIO
    {¶ 26} Although Accel’s operations did involve packaging, that fact alone
    does not disqualify its production of gift sets from constituting “assembling.” The
    issue here is how to treat an activity that is covered by both the assembling
    definition and the packaging definition, and the case law cuts against the tax
    commissioner’s position in this regard. In Cole Natl. Corp. v. Collins, 
    46 Ohio St.2d 336
    , 339, 
    348 N.E.2d 708
     (1976), this court effectively held that “packaging”
    can be an incidental function, meaning that even when the packaging definition
    applies, that is not determinative of the taxable status of the transactions.
    {¶ 27} In Cole Natl., a manufacturer sought to obtain the packaging
    exemption for display cases and racks that contained manufactured merchandise;
    the manufacturer shipped the initial order of merchandise to a retailer in the display
    cases or on display racks. Thus, the display cases and racks served as packages,
    but they were also designed to be used by retailers to store and display the
    merchandise for sale to customers. Id. at 336-337. This court affirmed the denial
    of the packaging exemption for the display cases and racks, holding that the
    function of the display cases and racks as packaging was “incidental to their use as
    a marketing aid.” Id. at 339. By the same logic, the fact that the gift sets here
    functioned as “packaging” for the included items is incidental to the fact that in
    assembled form, they constituted a new and differently marketable product.
    {¶ 28} Third, the tax commissioner contends that Accel’s own use of the
    words “package” and “packaging” in describing its business to the public cuts
    against its exemption claim. And the record contains promotional materials and
    news articles in which Accel’s executives and others refer to the company’s
    participation in the “contract packaging industry,” call the company a “contract
    packager,” and refer to its production as involving “packaging.” This is, of course,
    significant because the definitions of “assembling,” R.C. 5739.01(R), and
    “manufacturing operation,” R.C. 5739.01(S), both specifically exclude the mere
    “packaging” of a product. But the BTA’s rejection of this argument was not
    10
    January Term, 2017
    unreasonable—Accel’s promoting itself as a “packager” for business purposes did
    not necessarily preclude the conclusion that its operations involved “assembling”
    as that word is specially defined for purposes of tax exemption.
    {¶ 29} Fourth, the tax commissioner contends that case law of this court
    precludes the BTA’s finding that “assembling” occurred in this case.             This
    argument is unpersuasive because the cases the tax commissioner relies on did not
    involve a situation in which manufactured goods were (at least arguably) being
    “assembled” into a new, separately marketable whole. For example, Fichtel &
    Sachs Industries, Inc. v. Wilkins, 
    108 Ohio St.3d 106
    , 
    2006-Ohio-246
    , 
    841 N.E.2d 294
    , was a personal-property-tax-exemption case involving the issue whether
    putting clutch components into packages for shipment constituted “processing,”
    thereby defeating a claimed exemption for inventory held “for storage only” under
    R.C. 5701.08 and 5711.22. We did state that “[p]ackaging is not processing,” id.
    at ¶ 40, but the issue in Fichtel & Sachs is not apposite to the one presented in this
    appeal, which involves “assembling” manufactured items into a new aesthetic
    whole.
    {¶ 30} In Sauder Woodworking, 38 Ohio St.3d at 176, 
    527 N.E.2d 296
    , a
    manufacturer of “knock down” furniture—furniture that was sold in an
    unassembled state to consumers—sought a sales-and-use-tax exemption for boxes
    in which furniture components were shipped. Sauder Woodworking argued that
    the packaging material was exempt because it was used directly in manufacturing
    or processing its products; we agreed with the tax commissioner and the BTA in
    rejecting this contention, based on the principle that “the container is [not] an
    inherent part of the product, as the furniture was equally functional and usable prior
    to its packaging.” Id. at 177. By contrast, the gift sets in this case do constitute a
    new product of which the packaging materials are a component.
    {¶ 31} In Scholz Homes, Inc. v. Porterfield, 
    25 Ohio St.2d 67
    , 
    266 N.E.2d 834
     (1971), forklifts were used to move component parts that were later to be
    11
    SUPREME COURT OF OHIO
    assembled into homes from a plant’s “fabricating” area to an “expediting” area,
    where the items were packed for shipment. Id. at 68-69. Rejecting a claim that the
    forklifts were used as part of a process that involved “assembling,” we held that
    “assembling” means “more than the mere gathering together of fabricated
    materials”; “assembling” means fitting together various parts to make a new
    operative whole. Id. at 72. Quite simply, the BTA was justified in finding that the
    activity at issue in this case constituted “assembling,” as the word is described in
    Scholz Homes.
    {¶ 32} For the foregoing reasons, we reject the tax commissioner’s first
    through fourth propositions of law relating to the BTA’s finding that Accel was
    engaged in “assembling.” At oral argument, counsel for the tax commissioner
    advanced an alternative contention that “some of this stuff is not even [the
    production of] a gift set; it’s ‘I’m putting it in a box to send it off.’ ” But neither
    the notice of appeal nor the tax commissioner’s main brief argues that the case
    should be remanded with an instruction that transactions that involved
    “assembling” of gift sets should be segregated from those transactions that did not.
    Under these circumstances, the tax commissioner has abandoned the argument. See
    Navistar, Inc. v. Testa, 
    143 Ohio St.3d 460
    , 
    2015-Ohio-3283
    , 
    39 N.E.3d 509
    , ¶ 39,
    citing E. Liverpool v. Columbiana Cty. Budget Comm., 
    116 Ohio St.3d 1201
    , 2007-
    Ohio-5505, 
    876 N.E.2d 575
    , ¶ 3.
    Accel’s Transactions with Resource Staffing Could Reasonably Be Found
    Exempt under R.C. 5739.01(JJ)(3)
    {¶ 33} “Employment service” is subjected to sales and use tax pursuant to
    R.C. 5739.02 and 5739.01(B)(3)(k). Pursuant to R.C. 5739.01(JJ):
    “Employment service” means providing or supplying
    personnel, on a temporary or long-term basis, to perform work or
    labor under the supervision or control of another, when the
    12
    January Term, 2017
    personnel so provided or supplied receive their wages, salary, or
    other compensation from the provider or supplier of the employment
    service or from a third party that provided or supplied the personnel
    to the provider or supplier. “Employment service” does not include:
    ***
    (3)   Supplying personnel to a purchaser pursuant to a
    contract of at least one year between the service provider and the
    purchaser that specifies that each employee covered under the
    contract is assigned to the purchaser on a permanent basis.
    {¶ 34} The BTA found that Accel’s dealings with Resource Staffing
    qualified under the permanent-assignment exemption of R.C. 5739.01(JJ)(3), while
    Accel’s dealings with Manpower did not. Under his fifth proposition of law, the
    tax commissioner contests the first finding; on cross-appeal, Accel contests the
    latter finding.
    The BTA made no formal finding concerning the “supervision or control” of
    personnel supplied by Resource Staffing
    {¶ 35} After determining that Accel’s arrangements with Resource Staffing
    triggered the permanent-assignment exemption, the BTA stated:
    Moreover, Accel argues that the employees provided by
    Resource Staffing were not “under the supervision or control of
    another,” as is required to meet the definition of “employment
    service” in R.C. 5739.01(JJ). The testimony of [Moises Lluberes]
    indicated that Resource Staffing supplied supervisors, on its own
    payroll, not Accel’s, to supervise and direct the employees provided
    for Accel’s production activities.
    13
    SUPREME COURT OF OHIO
    
    2015 WL 4410600
     at *6. The BTA’s decision then starts a new paragraph
    addressing a totally different subject: whether Accel’s arrangement with Manpower
    triggered the permanent-assignment exemption.
    {¶ 36} In his notice of appeal and his brief, the tax commissioner treats the
    statement quoted above as if it were a finding and then argues that the BTA erred
    in making that finding. The tax commissioner points out that the contract between
    Resource Staffing and Accel itself recited that the employees would be under
    Accel’s supervision and control. In its brief, Accel also treats the BTA’s statement
    as if it were a finding that the personnel did not act under Accel’s own supervision
    and control.
    {¶ 37} We conclude that the quoted passage from the BTA’s decision does
    not constitute a formal finding.    The passage recites an additional argument
    advanced by Accel and alludes to its evidentiary significance, but it does not
    explicitly draw any conclusion as to the argument’s validity. And making such a
    finding was unnecessary, because the BTA had already found that the permanent-
    assignment exemption applied to Accel’s dealings with Resource Staffing.
    Because there was no formal finding regarding the supervision of the employees,
    we decline to address this contention.
    The tax commissioner raises legal arguments that have been rejected by the case
    law
    {¶ 38} On its face, the permanent-assignment exemption of R.C.
    5739.01(JJ)(3) appears to turn on the content of the employment-services contract
    underlying the transaction.     And consistent with that plain reading, the tax
    commissioner’s fifth proposition of law asserts that the BTA erred by finding that
    the permanent-assignment exemption applied regarding employees supplied to
    Accel by Resource Staffing: “When an employment services contract fails to
    provide an express term for ‘permanent’ employees, the [BTA] cannot supply the
    missing terms by inquiring into facts and circumstances of the employment
    14
    January Term, 2017
    relationship.” The tax commissioner then focuses his argument on the content of
    the written employment-services agreement between Accel and Resource Staffing.
    {¶ 39} But the tax commissioner is reviving an argument that this court has
    rejected in previous cases. This court has twice declined to adopt an analysis that
    narrowly focuses on whether an employment-services contract “specifies”
    permanent assignment and has instead applied a broader facts-and-circumstances
    test. First, in H.R. Options, Inc. v. Zaino, 
    100 Ohio St.3d 373
    , 
    2004-Ohio-1
    , 
    800 N.E.2d 740
    , the tax commissioner had argued to the BTA that H.R. Options’s
    contracts with its clients contained “no contractual provision that ‘specifies
    permanent’ assignment” and that its “practice of continuous employment cannot be
    offered as evidence when no written contract provision exists.” See BTA No. 2001-
    M-808, 
    2002 WL 1813907
    , *3 (Aug. 2, 2002). Neither the BTA nor this court
    accepted the tax commissioner’s contract-centered approach. Indeed, this court’s
    analysis placed greater emphasis on the individual employment contracts between
    the employees and the employment-services provider that were in the record than
    on the overarching employment-services contracts between the provider and its
    clients. H.R. Options at ¶ 23-25.
    {¶ 40} In H.R. Options, we articulated a test that does not emphasize the
    wording of the employment-services contract, as advocated by the tax
    commissioner here. Instead, the test for permanent assignment has two elements:
    (1) the employee must be assigned for an indefinite period, i.e., the contract stating
    the employee’s assignment does not specify an ending date, and (2) the employee
    must not be provided as a substitute for a current employee who is on leave or to
    meet seasonal or short-term-workload needs. Id. at ¶ 21. In applying the test, “both
    the contract and the facts and circumstances of the employee’s assignment are
    factors that must be reviewed to determine whether the employee is being assigned
    on a permanent basis.” Id. Most significantly, we then approved the exemption
    from taxation for some of the employees based on the facts and circumstances when
    15
    SUPREME COURT OF OHIO
    the employment-services contract between the provider and the client plainly did
    not specify that they were assigned on a permanent basis. Id. at ¶ 23-24. And we
    remanded transactions involving certain other employees to the BTA for further
    review to determine whether they were purely seasonal, i.e., nonexempt,
    assignments. Id. at ¶ 26.
    {¶ 41} In Bay Mechanical & Elec. Corp. v. Testa, 
    133 Ohio St.3d 423
    ,
    
    2012-Ohio-4312
    , 
    978 N.E.2d 882
    , ¶ 19, we explained that in H.R. Options, we had
    “construed the exemption as turning on the facts of each employee’s assignment
    rather than on the presence of ‘magic words’ in the employment-service agreements
    themselves.” We then took the additional step of holding that the presence of the
    “magic words” in the employment-services contracts could not, in light of H.R.
    Options, be dispositive in favor of exemption. Bay Mechanical at ¶ 22.
    {¶ 42} The tax commissioner tries to bolster his emphasis on R.C.
    5739.01(JJ)(3)’s “specifies” language with a contract-law argument. The tax
    commissioner contends that an approach that determines the exemption’s
    applicability based on facts-and-circumstances evidence violates principles of
    contract law by allowing course of performance to supply a contract term that is
    not present in the actual contract. The tax commissioner maintains that because
    under contract law, a contract term that is not set forth in the contract itself is
    “deemed to have no existence,” Aultman Hosp. Assn. v. Community Mut. Ins. Co.,
    
    46 Ohio St.3d 51
    , 53, 
    544 N.E.2d 920
     (1989), and therefore cannot be shown by
    extrinsic evidence, R.C. 5739.01(JJ)(3) cannot properly be construed to support
    application of a facts-and-circumstances test to establish that the employees here
    were “assigned * * * on a permanent basis” when the employment-services contract
    failed to specify permanent assignment.
    {¶ 43} This argument also is at odds with the case law. It cannot be
    reconciled with the facts-and-circumstances test set forth in H.R. Options and
    explained by Bay Mechanical. Indeed, the tax commissioner’s argument had been
    16
    January Term, 2017
    rejected by the BTA at the time H.R. Options was decided, and those earlier
    decisions formed the basis for the approach taken in H.R. Options. See Bay
    Mechanical at ¶ 23 (“H.R. Options adopts a consistent theme sounded by the BTA
    itself when reviewing exemption claims: when ‘determining whether an exception
    or exemption to taxation applies, it is not just the form of a contract that is
    important,’ but instead, the ‘crucial inquiry becomes a determination of what the
    seller is providing and of what the purchaser is paying for in their agreement’ ”),
    quoting Excel Temporaries, Inc. v. Tracy, BTA No. 97-T-257, 
    1998 WL 775284
    ,
    *2 (Oct. 30, 1998).
    {¶ 44} For the foregoing reasons, the tax commissioner’s objections based
    on his proposed interpretation of R.C. 5739.01(JJ)(3) to the BTA’s finding
    regarding permanent assignment of the Resource Staffing employees are without
    merit.
    The BTA’s finding of permanent assignment is neither unreasonable nor unlawful
    {¶ 45} In his brief, the tax commissioner then turns away from his contract-
    centered argument based on R.C. 5739.01(JJ)(3)’s wording and delves into the facts
    and circumstances of this case. Most importantly, he points to substantial evidence
    in the record that the employee assignments at issue here may have been seasonal
    or designed to meet “short-term workload conditions,” H.R. Options, 
    100 Ohio St.3d 373
    , 
    2004-Ohio-1
    , 
    800 N.E.2d 740
    , at ¶ 21. Under H.R. Options, neither of
    those types of assignment transactions qualifies for the permanent-assignment
    exemption.      The tax commissioner in his final determination had found
    “compelling” evidence that Accel’s “labor force fluctuates with the seasons,”
    noting the nature of its business and the fact that invoices from Manpower and
    Resource Staffing demonstrated fluctuating payroll dollar amounts with heaviest
    spending on employee labor from August through December, and therefore had
    determined that the employees were “seasonal in nature.”
    17
    SUPREME COURT OF OHIO
    {¶ 46} In arriving at a contrary conclusion regarding employees supplied by
    Resource Staffing, the BTA relied primarily on the testimony of Accel’s chief
    financial officer, Daniel Harms, and Moises Lluberes, the chief financial officer of
    Resource Staffing. The gist of their testimony was that Accel sought to have
    employees return for job after job once they had been trained and that during
    periods when less work was available, Resource Staffing would reduce the hours
    the employees worked rather than discharging them. Lluberes specifically testified
    that Resource Staffing supplied 647 persons to Accel as employees from 2006
    through 2011 (when its contract with Accel ended) and that about 358 of those
    employees worked more than one year at Accel.1 Lluberes also testified that
    Resource Staffing would not reassign personnel placed with Accel to other clients
    when the workload at Accel decreased. The BTA relied on this testimony to
    conclude that the personnel supplied by Resource Staffing were “assigned on a
    permanent basis.” 
    2015 WL 4410600
     at *5.
    {¶ 47} Although there is no question that the number of Resource Staffing
    workers at Accel fluctuated significantly throughout the year and was greatest
    during the fall as the holidays approached, the BTA concluded that the retention of
    the same personnel through high-activity and low-activity periods negated their
    status as seasonal employees. This is best viewed as an aspect of the BTA’s factual
    determination that merits our deference.
    {¶ 48} Ultimately, the distinction between seasonal or short-term-workload
    employment and more regular employment is one of degree, not of kind. In every
    enterprise, the workload may experience periods of ebb and flow. It seems entirely
    1
    Lluberes testified in part based on an exhibit that the BTA in its decision ultimately struck from
    the record. The exhibit was a document stating the names and tenures of employees supplied by
    Resource Staffing to Accel and was prepared at Lluberes’s direction by Resource Staffing’s
    accounting department. But even if he had not stated precise numbers, Lluberes’s testimony
    explained the nature of the permanent-assignment relationship, as to which he was not cross-
    examined. And the tax commissioner did not move to strike Lluberes’s general testimony regarding
    the employees’ tenures, which appeared to rely on a foundation beyond that of the excluded exhibit.
    18
    January Term, 2017
    reasonable, therefore, that what matters in an ebb-and-flow business for purposes
    of R.C. 5739.01(JJ)(3) and our precedents is the continuity of the workforce, i.e.,
    are the same workers having their hours adjusted or are new workers being brought
    in to handle the extra work during the busy season only? Based on Lluberes’s
    testimony, the BTA found the former to be true. Under H.R. Options, bringing back
    the same workers each time with differing hours is consistent with permanent
    assignment; using new workers just for a brief workload spike is not.
    {¶ 49} The tax commissioner argues that Lluberes’s testimony was so
    biased that the BTA could not have reasonably relied on it. But as discussed, we
    review the BTA’s weighing of evidence and determinations of witness credibility
    under an abuse-of-discretion standard, meaning that we will reverse a decision of
    the BTA only if we detect an arbitrary or unconscionable attitude. HealthSouth
    Corp., 
    132 Ohio St.3d 55
    , 
    2012-Ohio-1871
    , 
    969 N.E.2d 232
    , at ¶ 10; NWD 300
    Spring, L.L.C. v. Franklin Cty. Bd. of Revision, ___ Ohio St.3d ___, 2017-Ohio-
    7579, ___ N.E.3d ___, ¶ 14. Although Lluberes undeniably had a business interest
    in relation to his testimony, the BTA did not abuse its discretion by crediting that
    testimony in spite of any possible bias.
    The BTA Reasonably Concluded that Accel Did Not Show that Manpower
    Personnel Were Permanently Assigned
    {¶ 50} On cross-appeal, Accel argues that the BTA erred by regarding the
    evidence as insufficient to establish that the personnel supplied by Manpower were
    also permanent-assignment employees. See 
    2015 WL 4410600
     at *6. Accel
    challenges that finding by pointing to the affidavit of its president, David Abraham.
    {¶ 51} Abraham’s affidavit summarily recited that no written agreement
    existed with Manpower but that the parties contemplated “a long term relationship
    of at least one year” and that Accel requested that the employees be assigned
    indefinitely because they would have been trained and exposed to confidential
    manufacturing processes. The affidavit also detailed some types of work performed
    19
    SUPREME COURT OF OHIO
    by the employees. Notably, the affidavit did not even address the question of
    seasonal labor.
    {¶ 52} We reject Accel’s contention that the BTA erred by failing to grant
    exemption based on the affidavit. Accel bore the burden of proof to show that it
    was entitled to a tax exemption, but it adduced a much smaller quantum of proof
    with respect to the Manpower transactions than it did regarding the transactions
    involving Resource Staffing, failing to even address central concerns regarding the
    applicability of the exemption for the transactions involving Manpower. Under
    these circumstances, Accel has failed to demonstrate an abuse of discretion.
    R.C. 5703.58(B) Is Inapplicable Because It Became Law after the Issuance of
    the Assessment at Issue
    {¶ 53} R.C. 5703.58(B) prohibits the tax commissioner from “mak[ing] or
    issu[ing] an assessment against a consumer for any tax due under Chapter 5741 of
    the Revised Code, or for any penalty, interest, or additional charge on such tax, if
    the tax was due before January 1, 2008.” Accel argues on cross-appeal that this
    provision applies to this case. If the provision is applicable, it would bar a
    considerable portion of the tax commissioner’s assessment.
    {¶ 54} But the provision was enacted as part of 2011 Am.Sub.H.B. No. 153,
    and it became effective on September 29, 2011. The tax commissioner issued his
    assessment on January 18, 2011. Because the provision was not in effect when the
    tax commissioner issued his assessment, it did not bar the issuance of that
    assessment. We therefore affirm the BTA’s ruling on this point.
    The BTA Did Not Abuse Its Discretion Regarding the Expert Testimony and
    Experts’ Reports
    {¶ 55} On various grounds, each party contests the other party’s expert
    testimony and expert’s written report offered into evidence at the BTA hearing.
    Our starting point for evaluating the arguments is that we accord the BTA wide
    discretion in evaluating proffered expert testimony. Steak ‘n Shake, Inc. v. Warren
    20
    January Term, 2017
    Cty. Bd. of Revision, 
    145 Ohio St.3d 244
    , 
    2015-Ohio-4836
    , 
    48 N.E.3d 535
    , ¶ 20
    (“the proper use of expert opinions [lies] within the sound discretion of the BTA,”
    and this court “defer[s] to the BTA’s determination of the competency as well as to
    the board’s determination of the credibility of the evidence presented to it”
    [emphasis sic]); accord Johnston Coca-Cola Bottling Co., Inc. v. Hamilton Cty. Bd.
    of Revision, 
    149 Ohio St.3d 155
    , 
    2017-Ohio-870
    , 
    73 N.E.3d 503
    , ¶ 32, 36. It
    follows that the deferential abuse-of-discretion standard is applicable to the
    arguments advanced regarding the experts.
    {¶ 56} The need for considering those arguments, however, is obviated by
    the fact that the BTA’s decision sets forth extensive analysis in support of its
    conclusions without relying on evidence offered by either expert. When “nothing
    in the BTA’s decision” indicates that exhibits “were given any weight,” we have
    held that “any error in admitting [the] exhibits” constitutes “harmless error.”
    Higbee Co. v. Cuyahoga Cty. Bd. of Revision, 
    107 Ohio St.3d 325
    , 
    2006-Ohio-2
    ,
    
    839 N.E.2d 385
    , ¶ 30. The same is true regarding the experts’ opinions and
    testimony here, and we accordingly find no merit to the arguments.
    CONCLUSION
    {¶ 57} For the foregoing reasons, we affirm the decision of the BTA.
    Decision affirmed.
    O’CONNOR, C.J., and O’DONNELL, KENNEDY, FRENCH, O’NEILL, FISCHER,
    and DEWINE, JJ., concur.
    _________________
    Corsaro & Associates Co., L.P.A., Joseph G. Corsaro, Christian M. Bates,
    Steven B. Beranek, and Scott R. Poe, for appellee and cross-appellant.
    Michael DeWine, Attorney General, and Daniel W. Fausey, Assistant
    Attorney General, for appellant and cross-appellee.
    _________________
    21