Code of Federal Regulations · Section
§ 1.172-5 — -5 Taxable Income Which Is Subtracted From Net Operating Loss To Determine Carryback Or Carryover
26 C.F.R. § 1.172-5
(a) Taxable year subject to the Internal Revenue Code of 1954. The taxable income for any taxable year subject to the Internal Revenue Code of 1954 which is subtracted from the net operating loss for any other taxable year to determine the portion of such net operating loss which is a carryback or a carryover to a particular taxable year is computed with the modifications prescribed in this paragraph. These modifications shall be made independently of, and without reference to, the modifications required by §§ 1.172-2(a) and 1.172-3(a) for purposes of computing the net operating loss itself.
(1) Modifications applicable to unincorporated taxpayers only. In the case of a taxpayer other than a corporation, in computing taxable income and adjusted gross income:
(i) No deduction shall be allowed under section 151 for the personal exemptions (or under any other section which grants a deduction in lieu of the deductions allowed by section 151) and under section 1202 in respect of the net long-term capital gain.
(ii) The amount deductible on account of losses from sales or exchanges of capital assets shall not exceed the amount includible on account of gains from sales or exchanges of capital assets.
(2) Modifications applicable to all taxpayers. In the case either of a corporation or of a taxpayer other than a corporation:
(i) Net operating loss deduction. The net operating loss deduction for such taxable year shall be computed by taking into account only such net operating losses otherwise allowable as carrybacks or carryovers to such taxable year as were sustained in taxable years preceding the taxable year in which the taxpayer sustained the net operating loss from which the taxable income is to be deducted. Thus, for such purposes, the net operating loss for the loss year or any taxable year thereafter shall not be taken into account.
The taxpayer's income tax returns are made on the basis of the calendar year. In computing the net operating loss deduction for 1954, the taxpayer has a carryover from 1952 of $9,000, a carryover from 1953 of $6,000, a carryback from 1955 of $18,000, and a carryback from 1956 of $10,000, or an aggregate of $43,000 in carryovers and carrybacks. Thus, the net operating loss deduction for 1954, for purposes of determining the tax liability for 1954, is $43,000. However, in computing the taxable income for 1954 which is subtracted from the net operating loss for 1955 for the purpose of determining the portion of such loss which may be carried over to subsequent taxable years, the net operating loss deduction for 1954 is $15,000, that is, the aggregate of the $9,000 carryover from 1952 and the $6,000 carryover from 1953. In computing the net operating loss deduction for such purpose, the $18,000 carryback from 1955 and the $10,000 carryback from 1956 are disregarded. In computing the taxable income for 1954, however, which is subtracted from the net operating loss for 1956 for the purpose of determining the portion of such loss which may be carried over to subsequent taxable years, the net operating loss deduction for 1954 is $33,000, that is, the aggregate of the $9,000 carryover from 1952, the $6,000 carryover from 1953, and the $18,000 carryback from 1955. In computing the net operating loss deduction for such purpose, the $10,000 carryback from 1956 is disregarded.
(ii) Recomputation of percentage limitations. Unless otherwise specifically provided in this subchapter, any deduction which is limited in amount to a percentage of the taxpayer's taxable income or adjusted gross income shall be recomputed upon the basis of the taxable income or adjusted gross income, as the case may be, determined with the modifications prescribed in this paragraph. Thus, in the case of an individual the deduction for medical expenses would be recomputed after making all the modifications prescribed in this paragraph, whereas the deduction for charitable contributions would be determined without regard to any net operating loss carryback but with regard to any other modifications so prescribed. See, however, the regulations under paragraph (g) of § 1.170-2 (relating to charitable contributions carryover of individuals) and paragraph (c) of § 1.170-3 (relating to charitable contributions carryover of corporations) for special rules regarding charitable contributions in excess of the percentage limitations which may be treated as paid in succeeding taxable years.
For the calendar year 1954 the taxpayer, an individual, files a return showing taxable income of $4,800, computed as follows:
In 1955 the taxpayer undertakes the operation of a trade or business and sustains therein a net operating loss of $3,000. Under section 172(b)(2), it is determined that the entire $3,000 is a carryback to 1954. In 1956 he sustains a net operating loss of $10,000 in the operation of the business. In determining the amount of the carryover of the 1956 loss to 1957, the taxable income for 1954 as computed under this paragraph is $3,970, determined as follows:
For the calendar year 1959 the taxpayer, an individual, files a return showing taxable income of $5,700, computed as follows:
In 1960 the taxpayer undertakes the operation of a trade or business and sustains therein a net operating loss of $4,700. In 1961 he sustains a net operating loss of $10,000 in the operation of the business. Under section 172(b)(2), it is determined that the entire amount of each loss, $4,700 and $10,000, is a carryback to 1959. In determining the amount of the carryover of the 1961 loss to 1962, the taxable income for 1959 as computed under this paragraph is $3,870, determined as follows:
(iii) Minimum limitation. The taxable income, as modified under this paragraph, shall in no case be considered less than zero.
(3) Electing small business corporations. For special rule applicable to corporations which were electing small business corporations under Subchapter S (section 1361 and following), Chapter 1 of the Code, during one or more of the taxable years described in section 172(b)(1), see paragraph (f) of § 1.172-1.
(4) Qualified real estate investment trust. Where a net operating loss is carried over to a qualified taxable year (as defined in § 1.172-10(b)) ending after October 4, 1976, the real estate investment trust taxable income (as defined in section 857(b)(2)) shall be used as the “taxable income” for that taxable year to determine, under section 172(b)(2), the balance of the net operating loss available as a carryover to a subsequent taxable year. The real estate investment trust taxable income, however, is computed by applying the rules applicable to corporations in paragraph (a)(2) of this section. Thus, in computing real estate investment trust taxable income for purposes of section 172(b)(2), the net operating loss deduction for the taxable year shall be computed in accordance with paragraph (a)(2)(i) of this section. The principles of this subparagraph may be illustrated by the following examples:
Corporation X, a calendar year taxpayer, is formed on January 1, 1977. X incurs a net operating loss of $100,000 for its taxable year 1977, which under section 172(b)(2), is a carryover to 1978. For 1978 X is a qualified real estate investment trust (as defined in § 1.172-10(b)) and has real estate investment trust taxable income (determined without regard to the deduction for dividends paid or the net operating loss deduction) of $150,000, all of which consists of ordinary income. X pays dividends in 1978 totaling $120,000 that qualify for the deduction for dividends paid under section 857(b)(2)(B). The portion of the 1977 net operating loss available as a carryover to 1979 and subsequent years is $70,000 (i.e., the excess of the amount of the net operating loss ($100,000) over the amount of the real estate investment trust taxable income for 1978 ($30,000), determined by taking into account the deduction for dividends paid allowable under section 857(b)(2)(B) and without taking into account the net operating loss of 1977).
(i) Assume the same facts as in Example 1, except that the $150,000 of real estate investment trust taxable income (determined without the net operating loss deduction or the dividends paid deduction) consists of $80,000 of ordinary income and $70,000 of net capital gain. The amount of capital gain dividends which may be paid for 1978 is limited to $50,000, that is, the amount of the real estate investment trust taxable income for 1978, determined by taking into account the net operating loss deduction for the taxable year, but not the deduction for dividends paid ($150,000 minus $100,000). See § 1.857-6(e)(1)(ii).
(ii) X designated $50,000 of the $120,000 of dividends paid as capital gains dividends (as defined in section 857(b)(3)(C) and § 1.857-6(e)). Thus, $70,000 is an ordinary dividend. Since both ordinary dividends and capital gains dividends are taken into account in computing the deduction for dividends paid under section 857(b)(2)(B), the result will be the same as in Example 1; that is, the portion of the 1977 net operating loss available as a carryover to 1979 and subsequent years is $70,000.
(b) [Reserved]
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