Code of Federal Regulations · Section
§ 1.48E-1 — e-1 Clean Electricity Investment Credit
26 C.F.R. § 1.48E-1
(a) Overview—(1) In general. For purposes of section 46 of the Internal Revenue Code (Code), the section 48E credit (defined in paragraph (a)(10) of this section) is determined under section 48E of the Code and the section 48E regulations (defined in paragraph (a)(11) of this section). This paragraph (a) provides definitions of terms that, unless otherwise specified, apply for purposes of section 48E, the section 48E regulations, and any provision of the Code or this chapter that expressly refers to any provision of section 48E or the section 48E regulations. Paragraph (b) of this section provides rules for determining the amount of the section 48E credit for any taxable year. Paragraph (c) of this section provides rules regarding the phase-out of the section 48E credit. See § 1.48E-2 for rules relating to qualified investments in qualified facilities and energy storage technology (EST) for purposes of the section 48E credit. See § 1.48E-4 for rules of general application for the section 48E credit. See § 1.48E-5 for rules to determine greenhouse gas emissions rates for qualified facilities under section 48E.
(2) Claim. For purposes of determining a taxpayer's section 48E credit with respect to a qualified facility or EST or a credit described in section 48E(b)(3)(C), the term claim means filing a completed Form 3468, Investment Credit, or any successor form(s), or other relevant form as it relates to the credits described in section 48E(b)(3)(C), with the taxpayer's timely filed (including extensions) Federal income tax return or Federal return, as appropriate, for the taxable year in which the qualified facility or EST is placed in service, and for the taxable year in which the facility for which the credit described in section 48E(b)(3)(C) is placed in service. It includes making an election under section 6417 or 6418 of the Code and 26 CFR 1.6417-1 and 1.6418-1, respectfully, with respect to such section 48E credit on the taxpayer's filed return.
(3) Code. The term Code means the Internal Revenue Code.
(4) EST. The term EST for purposes of the section 48E credit means energy storage technology as defined in § 1.48E-2(g).
(5) kWh. The term kWh means kilowatt hours.
(6) Qualified facility. The term qualified facility for purposes of the section 48E credit has the meaning provided in § 1.48E-2(b).
(7) Qualified investment with respect to a qualified facility. The term qualified investment with respect to a qualified facility for purposes of the section 48E credit has the meaning provided in § 1.48E-2(a).
(8) Qualified investment with respect to EST. The term qualified investment with respect to EST for purposes of the section 48E credit has the meaning provided in § 1.48E-2(g)(4).
(9) Secretary. The term Secretary means the Secretary of the Treasury or their delegate.
(10) Section 48E credit. The term section 48E credit means the clean electricity investment credit determined under section 48E of the Code and the section 48E regulations.
(11) Section 48E regulations. The term section 48E regulations means this section and §§ 1.48E-2 through 1.48E-5.
(12) Waste energy recovery property (WERP). WERP is property that generates electricity solely from heat from buildings or equipment if the primary purpose of such building or equipment is not the generation of electricity. Examples of buildings or equipment the primary purpose of which is not the generation of electricity include, but are not limited to, manufacturing plants, medical care facilities, facilities on school campuses, and associated equipment.
(b) Credit amount—(1) In general. For purposes of section 46 of the Code, the section 48E credit for any taxable year is an amount equal to the applicable percentage of the qualified investment for such taxable year with respect to any qualified facility and any EST.
(2) Applicable percentage. The term applicable percentage means the base rate described in paragraph (b)(3) of this section or the alternative rate described in paragraph (b)(4) of this section. The applicable percentage may be increased as provided in section 48E(a)(3)(A) and paragraph (b)(5) of this section in the case of a qualified facility that is located in an energy community. Similarly, the applicable percentage may be increased as provided in section 48E(a)(3)(B) and paragraph (b)(6) of this section in the case of a qualified facility that satisfies the domestic content requirements.
(3) Base rate. Under section 48E(a)(2)(A)(i) and (B)(i), in the case of any qualified facility or EST that does not satisfy the requirements provided in section 48E(a)(2)(A)(ii) or (B)(ii), the applicable percentage is the base rate, which is 6 percent.
(4) Alternative rate. In the case of any qualified facility or EST that satisfies the prevailing wage and apprenticeship requirements provided in section 48E(a)(2)(A)(ii) or (B)(ii), the applicable percentage is the alternative rate, which is 30 percent.
(5) Energy communities increase in credit rate—(i) In general. In the case of any qualified facility or EST that is placed in service within an energy community (as defined in section 45(b)(11)(B)), the applicable percentage under section 48E(a)(2) and paragraph (b)(2) of this section will be increased by the applicable credit rate increase described in section 48E(a)(3)(A)(ii) and paragraph (b)(5)(ii) of this section.
(ii) Applicable credit rate increase. In the case of any qualified investment with respect to a qualified facility or EST to which the base rate is applicable, the applicable credit rate increase is 2 percentage points, and with respect to any qualified investment with respect to a qualified facility or EST to which the alternative rate is applicable, the applicable credit rate increase is 10 percentage points.
(6) Domestic content increase in credit rate—(i) In general. In the case of any qualified facility or EST that satisfies the requirements of section 45(b)(9)(B) (domestic content requirement), the applicable percentage under section 48E(a)(2) and paragraph (b)(2) of this section will be increased by the applicable credit rate increase described in paragraph (b)(6)(ii) of this section.
(ii) Applicable credit rate increase. In the case of any qualified investment with respect to a qualified facility or EST to which the base rate is applicable, 2 percentage points, and with respect to any qualified investment with respect to a qualified facility or EST to which the alternative rate is applicable, 10 percentage points.
(c) Credit phase-out—(1) In general. The amount of the credit as determined under section 48E(a) and paragraph (b) of this section for any qualified facility or EST, the construction of which begins during a calendar year described in section 48E(e)(2) and paragraph (c)(2) of this section is equal to the product of—
(i) The amount of the credit determined under section 48E(a) and paragraph (b) of this section without regard to section 48E(e) and paragraph (c) of this section; multiplied by
(ii) The phase-out percentage under section 48E(e)(2) and paragraph (c)(2) of this section.
(2) Phase-out percentage. The phase-out percentage under this paragraph (c)(2) is equal to—
(i) For any qualified investment with respect to any qualified facility or EST the construction of which begins during the first calendar year following the applicable year, 100 percent;
(ii) For any qualified investment with respect to any qualified facility or EST the construction of which begins during the second calendar year following the applicable year, 75 percent;
(iii) For any qualified investment with respect to any qualified facility or EST the construction of which begins during the third calendar year following the applicable year, 50 percent; and
(iv) For any qualified investment with respect to any qualified facility or EST the construction of which begins during any calendar year subsequent to the calendar year described in paragraph (c)(2)(iii) of this section, 0 percent.
(3) Applicable year. For purposes of this paragraph (c), the term applicable year has the same meaning provided under § 1.45Y-1(c)(3).
(d) Related taxpayers—(1) Definition. For purposes of the section 48E credit, the term related taxpayers means members of a group of trades or businesses that are under common control (as defined in § 1.52-1(b)).
(2) Related taxpayer rule. For purposes of the section 48E credit, related taxpayers are treated as one taxpayer in determining whether a taxpayer has made an investment in a qualified facility or EST with respect to which a section 48E credit may be determined.
(e) Applicability date. This section applies to qualified facilities and ESTs placed in service after December 31, 2024, and during a taxable year ending on or after January 15, 2025.
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