Code of Federal Regulations · Section
§ 1.163(j)-3 — (j)-3 Relationship Of The Section 163(j) Limitation To Other Provisions Affecting Interest
26 C.F.R. § 1.163(j)-3
(a) Overview. This section contains rules regarding the relationship between section 163(j) and certain other provisions of the Code. Paragraph (b) of this section provides the general rules concerning the relationship between section 163(j) and certain other provisions of the Code. Paragraph (c) of this section provides examples illustrating the application of this section. For rules regarding the relationship between sections 163(j) and 704(d), see § 1.163(j)-6(h)(1) and (2).
(b) Coordination of section 163(j) with certain other provisions—(1) In general. Section 163(j) and the regulations in this part under section 163(j) of the Code generally apply only to business interest expense that would be deductible in the current taxable year without regard to section 163(j). Thus, for example, a taxpayer must apply § 1.163-8T, if applicable, to determine which items of interest expense are investment interest under section 163(d) before applying the rules in this section to interest expense. Except as otherwise provided in this section, section 163(j) applies after the application of provisions that subject interest expense to disallowance, deferral, capitalization, or other limitation. For the rules that must be applied in determining whether excess business interest is paid or accrued by a partner, see section 163(j)(4)(B)(ii) and § 1.163(j)-6.
(2) Disallowed interest provisions. For purposes of section 163(j), business interest expense does not include interest expense that is permanently disallowed as a deduction under another provision of the Code, such as in section 163(e)(5)(A)(i), (f), (l), or (m), or section 264(a), 265, 267A, or 279.
(3) Deferred interest provisions. Other than sections 461(l), 465, and 469, Code provisions that defer the deductibility of interest expense, such as section 163(e)(3) and (e)(5)(A)(ii), 267(a)(2) and (3), 1277, or 1282, apply before the application of section 163(j).
(4) At risk rules, passive activity loss provisions, and limitation on excess business losses of noncorporate taxpayers. Section 163(j) generally applies to limit the deduction for business interest expense before the application of sections 461(l), 465, and 469. However, in determining tentative taxable income for purposes of computing ATI, sections 461(l), 465, and 469 are taken into account.
(5) Capitalized interest expenses. Section 163(j) applies after the application of provisions that require the capitalization of interest, such as sections 263A and 263(g). Capitalized interest expense under those sections is not treated as business interest expense for purposes of section 163(j). For ordering rules that determine whether interest expense is capitalized under section 263A(f), see the regulations under section 263A(f), including § 1.263A-9(g).
(6) Reductions under section 246A. Section 246A applies before section 163(j). Any reduction in the dividends received deduction under section 246A reduces the amount of interest expense taken into account under section 163(j).
(7) Section 381. Disallowed business interest expense carryforwards are items to which an acquiring corporation succeeds under section 381(a). See section 381(c)(20) and §§ 1.163(j)-5(c) and 1.381(c)(20)-1.
(8) Section 382. For rules governing the interaction of sections 163(j) and 382, see section 382(d)(3) and (k)(1), §§ 1.163(j)-5(e) and 1.163(j)-11(c), the regulations in this part under sections 382 and 383 of the Code, and §§ 1.1502-91 through 1.1502-99.
(c) Examples. The examples in this paragraph (c) illustrate the application of section 163(j) and the provisions of this section. Unless otherwise indicated, X and Y are calendar-year domestic C corporations; D is a U.S. resident individual not subject to any foreign income tax; none of the taxpayers have floor plan financing interest expense; and the exemption for certain small businesses in § 1.163(j)-2(d) does not apply.
(1) Example 1: Disallowed interest expense—(i) Facts. In 2021, X has $30x of interest expense. Of X's interest expense, $10x is permanently disallowed under section 265. X's business interest income is $3x and X's ATI is $90x.
(ii) Analysis. Under paragraph (b)(2) of this section, the $10x interest expense that is permanently disallowed under section 265 cannot be taken into consideration for purposes of section 163(j) in the 2021 taxable year. X's section 163(j) limitation, or the amount of business interest expense that X may deduct is limited to $30x under § 1.163(j)-2(b), determined by adding X's business interest income ($3x) and 30 percent of X's 2019 ATI ($27x). Therefore, in the 2021 taxable year, none of the $20x of X's deduction for its business interest expense is disallowed under section 163(j).
(2) Example 2: Deferred interest expense—(i) Facts. In 2021, Y has no business interest income, $120x of ATI, and $70x of interest expense. Of Y's interest expense, $30x is not currently deductible under section 267(a)(2). The $30x expense is allowed as a deduction under section 267(a)(2) in 2022.
(ii) Analysis. Under paragraph (b)(3) of this section, section 267(a)(2) is applied before section 163(j). Accordingly, $30x of Y's interest expense cannot be taken into consideration for purposes of section 163(j) in 2021 because it is not currently deductible under section 267(a)(2). Accordingly, in 2021, if the interest expense is properly allocable to a non-excepted trade or business, Y will have $4x of disallowed business interest expense because the $40x of business interest expense in 2021 ($70x−$30x) exceeds 30 percent of its ATI for the taxable year ($36x). The $30x of interest expense not allowed as a deduction in the 2021 taxable year under section 267(a)(2) will be taken into account in determining the business interest expense deduction under section 163(j) in 2022, the taxable year in which it is allowed as a deduction under section 267(a)(2), if it is allocable to a trade or business. Additionally, the $4x of disallowed business interest expense in 2021 will be carried forward to 2022 as a disallowed business interest expense carryforward. See § 1.163(j)-2(c).
(3) Example 3: Passive activity loss—(i) Facts. D is engaged in a rental activity treated as a passive activity within the meaning of section 469. For the 2021 taxable year, D receives $200x of rental income and incurs $300x of expenses all properly allocable to the rental activity, consisting of $150x of interest expense, $60x of maintenance expenses, and $90x of depreciation expense. D's ATI is $400x.
(ii) Analysis. Under paragraph (b)(4) of this section, section 163(j) is applied before the section 469 passive loss rules apply, except that section 469 is taken into account in the determination of tentative taxable income for purposes of computing ATI. D's section 163(j) limitation is $120x, determined by adding to D's business interest income ($0), floor plan financing ($0), and 30 percent of D's ATI ($120x). See § 1.163(j)-2(b). Because D's business interest expense of $150x exceeds D's section 163(j) limitation for 2021, $30x of D's business interest expense is disallowed under section 163(j) and will be carried forward as a disallowed business interest expense carryforward. See § 1.163(j)-2(c). Because the section 163(j) limitation is applied before the limitation under section 469, only $120x of the business interest expense allowable under section 163(j) is included in determining D's passive activity loss limitation for the 2021 tax year under section 469. The $30x of disallowed business interest expense is not an allowable deduction under section 163(j) and, therefore, is not a deduction under section 469 in the current taxable year. See § 1.469-2(d)(8).
(4) Example 4: Passive activity loss by taxpayer that also participates in a non-passive activity—(i) Facts. For 2021, D has no business interest income and ATI of $1,000x, entirely attributable to a passive activity within the meaning of section 469. D has business interest expense of $1,000x, $900x of which is properly allocable to a passive activity and $100x of which is properly allocable to a non-passive activity in which D materially participates. D has other business deductions that are not subject to section 469 of $600x, and a section 469 passive loss from the previous year of $250x.
(ii) Analysis. Under paragraph (b)(4) of this section, section 163(j) is applied before the section 469 passive loss rules apply. D's section 163(j) limitation is $300x, determined by adding D's business interest income ($0), floor plan financing ($0), and 30 percent of D's ATI ($300x)). Next, applying the limitation under section 469 to the $300x business interest expense deduction allowable under section 163(a) and (j), $270x (a proportionate amount of the $300x (0.90 × $300x)) is business interest expense included in determining D's passive activity loss limitation under section 469, and $30x (a proportionate amount of the $300x (0.10 × $300)) is business interest expense not included in determining D's passive activity loss limitation under section 469. Because D's interest expense of $1,000x exceeds 30 percent of its ATI for 2021, $700x of D's interest expense is disallowed under section 163(j) and will be carried forward as a disallowed business interest expense carryforward. Section 469 does not apply to any portion of the $700x disallowed business interest expense because that business interest expense is not an allowable deduction under section 163(j) and, therefore, is not an allowable deduction under section 469 in the current taxable year. See § 1.469-2(d)(8).
(5) Example 5: ATI calculation with passive activity loss—(i) Facts. D is an individual who engages in a trade or business, V, as a sole proprietorship. D relies on employees to perform most of the work and, as a result, D does not materially participate in V. Therefore, V is a passive activity of D. V is not an excepted trade or business. In Year 1, V generates $500x of passive income, $400x of business interest expense, and $600x of ordinary and necessary expenses deductible under section 162 (not including any interest described in § 1.163(j)-1(b)(22)). No disallowed business interest expense carryforward has been carried to Year 1 from a prior year, and no amounts have been carried over to Year 1 from a prior year under either section 465(a)(2) or section 469(b).
(ii) Tentative taxable income. Under § 1.163(j)-1(b)(43), tentative taxable income is determined as though all business interest expense was not subject to the section 163(j) limitation. Sections 461(l), 465, and 469 apply in the determination of tentative taxable income. For year 1, D has $500x of allowable deductions and a $500x tentative passive activity loss under section 469, because D's $1000x of passive expenses exceeds D's $500x of passive income from V. The tentative disallowance of $500x is generally allocated pro rata between D's passive expenses under § 1.469-1T(f)(2)(ii)(A). In this case, fifty percent ($500x of passive activity loss divided by $1000x of total passive expenses) of each category of passive expense is tentatively disallowed: $200x of business interest expense and $300x of section 162 expense. D's tentative taxable income is $0 (zero), which is determined by reducing $500x of gross income by the remaining $200x of business interest expense and $300x of section 162 expense ($500x−$200x−$300x).
(iii) ATI. Under section § 1.163(j)-1(b)(1), to determine ATI, D must add business interest expense to tentative taxable income, but only to the extent that the business interest expense reduced tentative taxable income, or $200x. The $200x of business interest expense that was tentatively disallowed under section 469 is not added to tentative taxable income to determine ATI. D's ATI is $200x, which is determined by adding the $200x of business interest expense that reduced tentative taxable income to D's tentative taxable income, or $0 (0 + $200x).
(iv) Section 163(j) limitation. D's section 163(j) limitation in Year 1 is D's business interest income, or $0, plus 30 percent of ATI, or $60x (30 percent × $200x ATI), plus D's floor plan financing, or $0, for a total of $60x ($0 + $60x + $0). Before the application of section 469, D has $60x of deductible business interest expense and $340x of disallowed business interest expense carryforward under § 1.163(j)-2(c).
(v) Passive activity loss. Because D's passive deductions exceed the passive income from V, and D does not have any passive income from other sources, section 469 applies to limit D's passive loss from V. Having first applied section 163(j), D has $660x of passive expenses, determined by adding D's $60x of business interest expense that is allowed by section 163(j) as a deduction and $600x of section 162 expense ($60x + $600x). D offsets $500x of the passive expenses against $500x of passive income; therefore, D has a passive activity loss of $160x in Year 1, determined as the excess of D's total passive expenses over D's passive income ($660x−$500x). The amount of D's loss from the passive activity that is disallowed under section 469 ($160x) is generally ratably allocated to each of D's passive activity deductions under § 1.469-1T(f)(2)(ii)(A). As a general rule, each deduction is multiplied by the ratio of the total passive loss to total passive expenses (160x/660x). Of D's $60x business interest expense, $14.55x (($160x/$660x) × $60x) is disallowed in Year 1. Additionally, of D's $600x section 162 expense, $145.45x (($160x/$660x) × $600x) is disallowed. The amounts disallowed under section 469(a)(1) and § 1.469-2T(f)(2) are carried over to the succeeding taxable year under section 469(b) and § 1.469-1(f)(4).
(6) Example 6: Effect of passive activity loss carryforwards—(i) Facts. The facts are the same as in Example 5 in paragraph (c)(5)(i) of this section. In Year 2, V generates $500x of passive income, $100x of business interest expense, and $0 (zero) of other deductible expenses. D is not engaged in any other trade or business activities. A disallowed business interest expense carryforward of $340x has been carried to Year 2 from Year 1. Under section 469, D has a suspended loss from Year 1 that includes $14.55x of business interest expense and $145.45x of section 162 expense. These amounts are treated as passive activity deductions in Year 2.
(ii) Tentative taxable income. To determine D's tentative taxable income, D must first determine D's allowable deductions. In year 2, D has $260x of allowable deductions, which includes $100x of business interest expense generated Year 2, $14.55x of business interest expense disallowed in Year 1 by section 469, and $145.45x of section 162 expense disallowed in Year 1 by section 469 ($100x + $14.55x + $145.45x)). D's disallowed business interest expense carryforward from Year 1 is not taken into account in determining tentative taxable income. See § 1.163(j)-1(b)(43). Additionally, the $14.55x of business interest expense disallowed in Year 1 by section 469 is not business interest expense in Year 2 because it was deductible after the application of section 163(j) (but before the application of section 469) in Year 1. D does not have a tentative passive activity loss in Year 2, because D's $500x of passive income from V exceeds D's $260x of tentative passive expenses. Therefore, D's tentative taxable income in Year 2 is $240x, which is determined by subtracting D's allowable deductions other than disallowed business interest expense carryforwards, or $260x, from D's gross income, or $500x ($500x−$260x).
(iii) ATI. D's ATI in Year 2 is $340x, which is determined by adding D's business interest expense, or $100x, to D's tentative taxable income, or $240x ($240x + $100x). Because disallowed business interest expense carryforwards are not taken into account in determining tentative taxable income, there is no corresponding adjustment for disallowed business interest expense carryforwards in calculating ATI. Therefore, there is no adjustment for D's $340x of disallowed business interest expense carryforward in calculating D's ATI. D has no other adjustments to determine ATI.
(iv) Section 163(j) limitation. D's section 163(j) limitation in Year 2 is $102x, which is determined by adding D's business interest income, or $0, 30 percent of D's ATI for year 2, $102 ($340x × 30 percent), and D's floor plan financing for Year 2, or $0 ($0 + ($102x) + $0). Accordingly, before the application of section 469 in Year 2, $102x of D's $440x of total business interest expense (determined by adding $340x of disallowed business interest expense carryforward from Year 1 and $100x of business interest expense in Year 2) is deductible. D has $338x of disallowed business interest expense carryforward that will carry forward to subsequent taxable years under § 1.163(j)-2(c), determined by subtracting D's deductible business interest expense in Year 2, or $102x, from D's total business interest expense in Year 2, or $440x ($440x−$102x).
(v) Section 469. After applying the section 163(j) limitation, D applies section 469 to determine if any amount of D's expense is a disallowed passive activity loss. For Year 2, D has $262x of passive expenses, determined by adding D's business interest expense deduction allowed by section 163(j) ($102x), D's section 162 expense carried forward from Year 1 under section 469 ($145.45x), and D's interest expense carried forward from Year 1 under section 469 which is not business interest expense in Year 2, or $14.55x ($102x + $145.45x + $14.55x). Therefore, D has $238x of net passive income in Year 2, determined by reducing D's total passive income in Year 2 ($500x), by D's disallowed passive activity loss, or $262x ($500x−$262x). D does not have a passive activity loss in Year 2, and no part of D's $262x of passive expenses is disallowed in Year 2 under section 469.
(7) Example 7: Capitalized interest expense—(i) Facts. In 2020, X has $50x of interest expense. Of X's interest expense, $10x is required to be capitalized under section 263A. X capitalizes this interest expense to a depreciable asset. X's business interest income is $9x and X's ATI is $80x. X makes the election in § 1.163(j)-2(b)(2)(ii) to use 30 percent, rather than 50 percent, of ATI in determining X's section 163(j) limitation for the 2020 taxable year.
(ii) Analysis. Under paragraph (b)(5) of this section, section 263A is applied before section 163(j). Accordingly, $10x of X's interest expense cannot be taken into consideration for purposes of section 163(j) in 2020. Additionally, under paragraph (b)(5) of this section, X's $10 of capitalized interest expense is not business interest expense for purposes of section 163(j). As a result, when X recovers its capitalized interest expense through depreciation deductions, such capitalized interest expense will not be taken into account as business interest expense in determining X's section 163(j) limitation. X's section 163(j) limitation in 2020, or the amount of business interest expense that X may deduct, is limited to $33x under § 1.163(j)-2(b), determined by adding X's business interest income ($9x) and 30 percent of X's 2020 ATI ($24x). X therefore has $7x of disallowed business interest expense in 2020 that will be carried forward to 2021 as a disallowed business interest expense carryforward.
(d) Applicability date. This section applies to taxable years beginning on or after November 13, 2020. However, taxpayers and their related parties, within the meaning of sections 267(b) and 707(b)(1), may choose to apply the rules of this section to a taxable year beginning after December 31, 2017, so long as the taxpayers and their related parties consistently apply the rules of the section 163(j) regulations, and, if applicable, §§ 1.263A-9, 1.263A-15, 1.381(c)(20)-1, 1.382-1, 1.382-2, 1.382-5, 1.382-6, 1.382-7, 1.383-0, 1.383-1, 1.469-9, 1.469-11, 1.704-1, 1.882-5, 1.1362-3, 1.1368-1, 1.1377-1, 1.1502-13, 1.1502-21, 1.1502-36, 1.1502-79, 1.1502-91 through 1.1502-99 (to the extent they effectuate the rules of §§ 1.382-2, 1.382-5, 1.382-6, and 1.383-1), and 1.1504-4, to that taxable year.
Authorizing Statute
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Rules and regulations26 U.S.C. § 7805
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Advanced manufacturing production credit26 U.S.C. § 45X
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Alcohol, etc., used as fuel26 U.S.C. § 40
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Gross income defined26 U.S.C. § 61
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Transfers of excess pension assets to retiree health accounts26 U.S.C. § 420
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Partial exclusion for gain from certain small business stock26 U.S.C. § 1202
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Tax treatment of stripped bonds26 U.S.C. § 1286
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Current taxation of income from qualified electing funds26 U.S.C. § 1293
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Imposition of tax on certain foreign procurement26 U.S.C. § 5000C
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Returns regarding payments of interest26 U.S.C. § 6049
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Signing of returns and other documents26 U.S.C. § 6061
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General requirement of return, statement, or list26 U.S.C. § 6011
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Income from discharge of indebtedness26 U.S.C. § 108
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Indian general welfare benefits26 U.S.C. § 139E
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Bonds must be registered to be tax exempt; other requirements26 U.S.C. § 149
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Trade or business expenses26 U.S.C. § 162
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Accelerated cost recovery system26 U.S.C. § 168
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Amortizable bond premium26 U.S.C. § 171
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Golden parachute payments26 U.S.C. § 280G
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Distributions of stock and stock rights26 U.S.C. § 305
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Transfer to corporation controlled by transferor26 U.S.C. § 351
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Special rules for long-term contracts26 U.S.C. § 460
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Determination of basis of partner’s interest26 U.S.C. § 705
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Taxes of foreign countries and of possessions of United States26 U.S.C. § 901
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Controlled foreign corporations; United States persons26 U.S.C. § 957
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New energy efficient home credit26 U.S.C. § 45L
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2-percent floor on miscellaneous itemized deductions26 U.S.C. § 67
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Certain death benefits26 U.S.C. § 101
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Qualified business income26 U.S.C. § 199A
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Installment method26 U.S.C. § 453
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Certain payments for the use of property or services26 U.S.C. § 467
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Partners, not partnership, subject to tax26 U.S.C. § 701
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Extent of recognition of gain or loss on distribution26 U.S.C. § 731
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Capitalization of certain policy acquisition expenses26 U.S.C. § 848
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Special rules for determining source26 U.S.C. § 863
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Income of foreign governments and of international organizations26 U.S.C. § 892
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Definitions and special rules26 U.S.C. § 6241
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Computation and payment of tax26 U.S.C. § 1503
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Adjusted gross income defined26 U.S.C. § 62
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Treatment of loans with below-market interest rates26 U.S.C. § 7872
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Basis to distributees26 U.S.C. § 358
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Minimum participation standards26 U.S.C. § 410
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Other definitions and special rules26 U.S.C. § 860G
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Adjustments required by changes in method of accounting26 U.S.C. § 481
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Definitions26 U.S.C. § 7701
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Insurance income26 U.S.C. § 953
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Returns relating to actions affecting basis of specified securities26 U.S.C. § 6045B
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Information relating to certain trusts and annuity plans26 U.S.C. § 6047
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Enhanced oil recovery credit26 U.S.C. § 43
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Energy efficient commercial buildings deduction26 U.S.C. § 179D
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Redemption through use of related corporations26 U.S.C. § 304
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Certain stock purchases treated as asset acquisitions26 U.S.C. § 338
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Special limitations on certain excess credits, etc.26 U.S.C. § 383
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Optional treatment of elective deferrals as Roth contributions26 U.S.C. § 402A
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General rule for taxable year of inclusion26 U.S.C. § 451
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Qualified ABLE programs26 U.S.C. § 529A
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Charitable remainder trusts26 U.S.C. § 664
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Nonrecognition of gain or loss on contribution26 U.S.C. § 721
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Investment of earnings in United States property26 U.S.C. § 956
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Definitions and special rule26 U.S.C. § 1377
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Relief from joint and several liability on joint return26 U.S.C. § 6015
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Return of S corporation26 U.S.C. § 6037
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Notice of certain transfers to foreign persons26 U.S.C. § 6038B
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Information at source26 U.S.C. § 6041
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Imposition of accuracy-related penalty on underpayments26 U.S.C. § 6662
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Tax imposed26 U.S.C. § 1
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Railroad track maintenance credit26 U.S.C. § 45G
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Zero-emission nuclear power production credit26 U.S.C. § 45U
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Rehabilitation credit26 U.S.C. § 47
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Clean electricity investment credit26 U.S.C. § 48E
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Special rules26 U.S.C. § 52
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Election to expense certain depreciable business assets26 U.S.C. § 179
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Individual retirement accounts26 U.S.C. § 408
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Special rules for nondealers26 U.S.C. § 453A
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Deductions limited to amount at risk26 U.S.C. § 465
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Exemption from tax on corporations, certain trusts, etc.26 U.S.C. § 501
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Definition of regulated investment company26 U.S.C. § 851
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Source rules for personal property sales26 U.S.C. § 865
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Tax on nonresident alien individuals26 U.S.C. § 871
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Foreign base company income26 U.S.C. § 954
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S corporation defined26 U.S.C. § 1361
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Definitions26 U.S.C. § 1402
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Distributions of property26 U.S.C. § 301
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Life insurance contract defined26 U.S.C. § 7702
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Previously-owned clean vehicles26 U.S.C. § 25E
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Electricity produced from certain renewable resources, etc.26 U.S.C. § 45
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Clean fuel production credit26 U.S.C. § 45Z
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Taxation of employee annuities26 U.S.C. § 403
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Last-in, first-out inventories26 U.S.C. § 472
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Allocation of income and deductions among taxpayers26 U.S.C. § 482
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Definitions applicable to subparts A, B, C, and D26 U.S.C. § 643
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Taxable years of partner and partnership26 U.S.C. § 706
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Disposition of investment in United States real property26 U.S.C. § 897
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Administrative adjustment request by partnership26 U.S.C. § 6227
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Citizens or residents of the United States living abroad26 U.S.C. § 911
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Residence and source rules involving possessions26 U.S.C. § 937
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Rules relating to expatriated entities and their foreign parents26 U.S.C. § 7874
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Regulations26 U.S.C. § 1502
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Capitalization and inclusion in inventory costs of certain expenses26 U.S.C. § 263A
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Foreign corporations26 U.S.C. § 367
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Roth IRAs26 U.S.C. § 408A
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Minimum vesting standards26 U.S.C. § 411
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Partner’s distributive share26 U.S.C. § 704
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Unrealized receivables and inventory items26 U.S.C. § 751
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Taxation of residual interests26 U.S.C. § 860C
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Exclusions from gross income26 U.S.C. § 883
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Income affected by treaty26 U.S.C. § 894
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Other definitions and special rules26 U.S.C. § 989
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Special rules26 U.S.C. § 1474
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Returns of brokers26 U.S.C. § 6045
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Information returns of tax return preparers26 U.S.C. § 6060
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Authority to make credits or refunds26 U.S.C. § 6402
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Failure by individual to pay estimated income tax26 U.S.C. § 6654
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Interest on certain home mortgages26 U.S.C. § 25
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Credit for qualified commercial clean vehicles26 U.S.C. § 45W
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Interest on State and local bonds26 U.S.C. § 103
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Qualified lessee construction allowances for short-term leases26 U.S.C. § 110
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Losses26 U.S.C. § 165
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Charitable, etc., contributions and gifts26 U.S.C. § 170
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Incentive stock options26 U.S.C. § 422
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Deemed paid credit for subpart F inclusions26 U.S.C. § 960
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Election of mark to market for marketable stock26 U.S.C. § 1296
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Returns relating to certain life insurance contract transactions26 U.S.C. § 6050Y
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Clean vehicle credit26 U.S.C. § 30D
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Credit for carbon oxide sequestration26 U.S.C. § 45Q
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Amount of credit26 U.S.C. § 46
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Advanced manufacturing investment credit26 U.S.C. § 48D
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Arbitrage26 U.S.C. § 148
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Amortization of goodwill and certain other intangibles26 U.S.C. § 197
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Interest on education loans26 U.S.C. § 221
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Disallowance of certain entertainment, etc., expenses26 U.S.C. § 274
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Qualifications for tax credit employee stock ownership plans26 U.S.C. § 409
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Unrelated debt-financed income26 U.S.C. § 514
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Rules for allocation of basis26 U.S.C. § 755
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Rules for certain reserves26 U.S.C. § 807
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Special rules in case of foreign oil and gas income26 U.S.C. § 907
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Basis of property acquired from a decedent26 U.S.C. § 1014
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Special rules26 U.S.C. § 1298
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Definitions26 U.S.C. § 3401
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Extension of time for filing returns26 U.S.C. § 6081
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Renumbered § 45C]26 U.S.C. § 28
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Credit for production of clean hydrogen26 U.S.C. § 45V
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Energy credit26 U.S.C. § 48
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Limitation on credit26 U.S.C. § 904
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Qualified pension, profit-sharing, and stock bonus plans26 U.S.C. § 401
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Dependent care assistance programs26 U.S.C. § 129
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Special rules for nuclear decommissioning costs26 U.S.C. § 468A
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Mark to market accounting method for dealers in securities26 U.S.C. § 475
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Basis of distributed property other than money26 U.S.C. § 732
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Straddles26 U.S.C. § 1092
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Qualified electing fund26 U.S.C. § 1295
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Averaging of farm income26 U.S.C. § 1301
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Withholdable payments to foreign financial institutions26 U.S.C. § 1471
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Definitions26 U.S.C. § 1504
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Basis information to persons acquiring property from decedent26 U.S.C. § 6035
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Information with respect to certain foreign-owned corporations26 U.S.C. § 6038A
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Returns relating to cash received in trade or business, etc.26 U.S.C. § 6050I
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Credit for increasing research activities26 U.S.C. § 41
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Definitions and special rules26 U.S.C. § 150
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Passive activity losses and credits limited26 U.S.C. § 469
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Certain expenses for which credits are allowable26 U.S.C. § 280C
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Assumption of liability26 U.S.C. § 357
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Complete liquidations of subsidiaries26 U.S.C. § 332
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Distribution of stock and securities of a controlled corporation26 U.S.C. § 355
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Period for computation of taxable income26 U.S.C. § 441
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General rule for taxable year of deduction26 U.S.C. § 461
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Special rules for modified guaranteed contracts26 U.S.C. § 817A
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Treatment of variable contracts26 U.S.C. § 817
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Certain reinsurance agreements26 U.S.C. § 845
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Failure to file notice of redetermination of foreign tax26 U.S.C. § 6689
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Branch transactions26 U.S.C. § 987
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Qualified zone property defined26 U.S.C. § 1397D
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Withholdable payments to other foreign entities26 U.S.C. § 1472
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Liquidating, etc., transactions26 U.S.C. § 6043
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Verification of returns26 U.S.C. § 6065
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Mode or time of collection26 U.S.C. § 6302
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Transfer of certain credits26 U.S.C. § 6418
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American Opportunity and Lifetime Learning credits26 U.S.C. § 25A
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Refundable credit for coverage under a qualified health plan26 U.S.C. § 36B
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Clean electricity production credit26 U.S.C. § 45Y
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Other special rules26 U.S.C. § 50
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Treatment of community income26 U.S.C. § 66
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Basis to corporations26 U.S.C. § 362
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Election of taxable year other than required taxable year26 U.S.C. § 444
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Transactions between partner and partnership26 U.S.C. § 707
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Special allocation rules for certain asset acquisitions26 U.S.C. § 1060
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Discounted unpaid losses defined26 U.S.C. § 846
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Definitions and special rules26 U.S.C. § 864
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Capital asset defined26 U.S.C. § 1221
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Interest on tax deferral26 U.S.C. § 1291
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Passive foreign investment company26 U.S.C. § 1297
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Withholding of tax on nonresident aliens26 U.S.C. § 1441
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Returns as to interests in foreign partnerships26 U.S.C. § 6046A
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State and local income tax refunds26 U.S.C. § 6050E
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Returns relating to exchanges of certain partnership interests26 U.S.C. § 6050K
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Returns relating to higher education tuition and related expenses26 U.S.C. § 6050S
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Reporting of health insurance coverage26 U.S.C. § 6055
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Low-income housing credit26 U.S.C. § 42
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New markets tax credit26 U.S.C. § 45D
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Definitions and special rules26 U.S.C. § 414
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Qualified asset account; limitation on additions to account26 U.S.C. § 419A
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General rule for methods of accounting26 U.S.C. § 446
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Interest on certain deferred payments26 U.S.C. § 483
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Reserves for losses on loans of banks26 U.S.C. § 585
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Certain revocable trusts treated as part of estate26 U.S.C. § 645
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Insurance company taxable income26 U.S.C. § 832
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Income from sources within the United States26 U.S.C. § 861
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Treatment of certain foreign currency transactions26 U.S.C. § 988
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Functional currency26 U.S.C. § 985
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Other definitions and special rules26 U.S.C. § 1275
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Election to extend time for payment of tax on undistributed earnings26 U.S.C. § 1294
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Requirement to maintain minimum essential coverage26 U.S.C. § 5000A
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Returns by exempt organizations26 U.S.C. § 6033
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Information with respect to foreign financial assets26 U.S.C. § 6038D
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Returns relating to the cancellation of indebtedness by certain entities26 U.S.C. § 6050P
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Identifying numbers26 U.S.C. § 6109
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Elective payment of applicable credits26 U.S.C. § 6417
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Certain fringe benefits26 U.S.C. § 132
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Dependent defined26 U.S.C. § 152
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Interest26 U.S.C. § 163
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Bad debts26 U.S.C. § 166
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Special rules for credits and deductions26 U.S.C. § 642
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General rule for inventories26 U.S.C. § 471
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Political organizations26 U.S.C. § 527
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Special rules applicable to sections 661 and 66226 U.S.C. § 663
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Allowance of deductions and credits26 U.S.C. § 874
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Branch profits tax26 U.S.C. § 884
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Tax imposed on certain built-in gains26 U.S.C. § 1374
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Foreign tax-exempt organizations26 U.S.C. § 1443
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Valuation tables26 U.S.C. § 7520
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Losses on small business stock26 U.S.C. § 1244
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Distributions26 U.S.C. § 1368
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Definitions26 U.S.C. § 1473
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Information with respect to certain fines, penalties, and other amounts26 U.S.C. § 6050X
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Failure by corporation to pay estimated income tax26 U.S.C. § 6655