<!-- TTST:[A]: TTC:[1]: TTSC:[B]: TTT:[c]: TTS:[cbschB]: TTCP:[Subchapter B]: TTCI:[]: TTB:[]: TTA:[]: TTD:[]: -->


Index  » Subtitle A  » Chapter 1  » Subchapter B

Subtitle A. Income Taxes (§§ 1-1564)


Subchapter B. Computation of Taxable Income

Current through February 18, 2024 (Pub. L. 118-39)

The following list shows all sections of subchapter B (Computation of Taxable Income) of chapter 1 (NORMAL TAXES AND SURTAXES) of subtitle A (Income Taxes (§§ 1-1564)) of the Internal Revenue Code of 1986 (Title 26 of the United States Code). Tap a section to view its text.

SectionSection Title
I.R.C. 61Gross income defined
I.R.C. 62Adjusted gross income defined
I.R.C. 63Taxable income defined
I.R.C. 64Ordinary income defined
I.R.C. 65Ordinary loss defined
I.R.C. 66Treatment of community income
I.R.C. 67-percent floor on miscellaneous itemized deductions
I.R.C. 68Overall limitation on itemized deductions
I.R.C. 71Repealed. Pub. L. 115–97, title I, §11051(b)(1)(B), Dec. 22, 2017, 131 Stat. 2089
I.R.C. 72Annuities; certain proceeds of endowment and life insurance contracts
I.R.C. 73Services of child
I.R.C. 74Prizes and awards
I.R.C. 75Dealers in tax-exempt securities
I.R.C. 76Repealed. Pub. L. 94–455, title XIX, §1901(a)(14), Oct. 4, 1976, 90 Stat. 1765
I.R.C. 77Commodity credit loans
I.R.C. 78Gross up for deemed paid foreign tax credit
I.R.C. 79Group-term life insurance purchased for employees
I.R.C. 80Restoration of value of certain securities
I.R.C. 81Repealed. Pub. L. 100–203, title X, §10201(b)(1), Dec. 22, 1987, 101 Stat. 1330–387
I.R.C. 82Reimbursement of moving expenses
I.R.C. 83Property transferred in connection with performance of services
I.R.C. 84Transfer of appreciated property to political organizations
I.R.C. 85Unemployment compensation
I.R.C. 86Social security and tier 1 railroad retirement benefits
I.R.C. 87Alcohol and biodiesel fuels credits
I.R.C. 88Certain amounts with respect to nuclear decommissioning costs
I.R.C. 89Repealed. Pub. L. 101–140, title II, §202(a), Nov. 8, 1989, 103 Stat. 830
I.R.C. 90Illegal Federal irrigation subsidies
I.R.C. 91Certain foreign branch losses transferred to specified 10-percent owned foreign corporations
I.R.C. 101Certain death benefits
I.R.C. 102Gifts and inheritances
I.R.C. 103Interest on State and local bonds
I.R.C. 103ARepealed. Pub. L. 99–514, title XIII, §1301(j)(1), Oct. 22, 1986, 100 Stat. 2657
I.R.C. 104Compensation for injuries or sickness
I.R.C. 105Amounts received under accident and health plans
I.R.C. 106Contributions by employer to accident and health plans
I.R.C. 107Rental value of parsonages
I.R.C. 108Income from discharge of indebtedness
I.R.C. 109Improvements by lessee on lessor's property
I.R.C. 110Qualified lessee construction allowances for short-term leases
I.R.C. 111Recovery of tax benefit items
I.R.C. 112Certain combat zone compensation of members of the Armed Forces
I.R.C. 113Repealed. Pub. L. 101–508, title XI, §11801(a)(7), Nov. 5, 1990, 104 Stat. 1388–520
I.R.C. 114Repealed. Pub. L. 108–357, title I, §101(a), Oct. 22, 2004, 118 Stat. 1423
I.R.C. 115Income of States, municipalities, etc.
I.R.C. 116Repealed. Pub. L. 99–514, title VI, §612(a), Oct. 22, 1986, 100 Stat. 2250
I.R.C. 117Qualified scholarships
I.R.C. 118Contributions to the capital of a corporation
I.R.C. 119Meals or lodging furnished for the convenience of the employer
I.R.C. 120Repealed. Pub. L. 113–295, div. A, title II, §221(a)(19)(A), Dec. 19, 2014, 128 Stat. 4039
I.R.C. 121Exclusion of gain from sale of principal residence
I.R.C. 122Certain reduced uniformed services retirement pay
I.R.C. 123Amounts received under insurance contracts for certain living expenses
I.R.C. 124Repealed. Pub. L. 101–508, title XI, §11801(a)(9), Nov. 5, 1990, 104 Stat. 1388–520
I.R.C. 125Cafeteria plans
I.R.C. 126Certain cost-sharing payments
I.R.C. 127Educational assistance programs
I.R.C. 128Repealed. Pub. L. 101–508, title XI, §11801(a)(10), Nov. 5, 1990, 104 Stat. 1388–520
I.R.C. 129Dependent care assistance programs
I.R.C. 130Certain personal injury liability assignments
I.R.C. 131Certain foster care payments
I.R.C. 132Certain fringe benefits
I.R.C. 133Repealed. Pub. L. 104–188, title I, §1602(a), Aug. 20, 1996, 110 Stat. 1833
I.R.C. 134Certain military benefits
I.R.C. 135Income from United States savings bonds used to pay higher education tuition and fees
I.R.C. 136Energy conservation subsidies provided by public utilities
I.R.C. 137Adoption assistance programs
I.R.C. 138Medicare Advantage MSA
I.R.C. 139Disaster relief payments
I.R.C. 139AFederal subsidies for prescription drug plans
I.R.C. 139BBenefits provided to volunteer firefighters and emergency medical responders
I.R.C. 139CCertain disability-related first responder retirement payments
I.R.C. 139DIndian health care benefits
I.R.C. 139EIndian general welfare benefits
I.R.C. 139FCertain amounts received by wrongfully incarcerated individuals
I.R.C. 139GAssignments to Alaska Native Settlement Trusts
I.R.C. 139HInterest received in action to recover property seized by the Internal Revenue Service based on structuring transaction
I.R.C. 139IContinuation coverage premium assistance
I.R.C. 140Cross references to other Acts
I.R.C. 141Private activity bond; qualified bond
I.R.C. 142Exempt facility bond
I.R.C. 143Mortgage revenue bonds: qualified mortgage bond and qualified veterans' mortgage bond
I.R.C. 144Qualified small issue bond; qualified student loan bond; qualified redevelopment bond
I.R.C. 145Qualified 501(c)(3) bond
I.R.C. 146Volume cap
I.R.C. 147Other requirements applicable to certain private activity bonds
I.R.C. 148Arbitrage
I.R.C. 149Bonds must be registered to be tax exempt; other requirements
I.R.C. 150Definitions and special rules
I.R.C. 151Allowance of deductions for personal exemptions
I.R.C. 152Dependent defined
I.R.C. 153Cross references
I.R.C. 161Allowance of deductions
I.R.C. 162Trade or business expenses
I.R.C. 163Interest
I.R.C. 164Taxes
I.R.C. 165Losses
I.R.C. 166Bad debts
I.R.C. 167Depreciation
I.R.C. 168Accelerated cost recovery system
I.R.C. 169Amortization of pollution control facilities
I.R.C. 170Charitable, etc., contributions and gifts
I.R.C. 171Amortizable bond premium
I.R.C. 172Net operating loss deduction
I.R.C. 173Circulation expenditures
I.R.C. 174Amortization of research and experimental expenditures
I.R.C. 175Soil and water conservation expenditures; endangered species recovery expenditures
I.R.C. 176Payments with respect to employees of certain foreign corporations
I.R.C. 177Repealed. Pub. L. 99–514, title II, §241(a), Oct. 22, 1986, 100 Stat. 2181
I.R.C. 178Amortization of cost of acquiring a lease
I.R.C. 179Election to expense certain depreciable business assets
I.R.C. 179ARepealed. Pub. L. 113–295, div. A, title II, §221(a)(34)(A), Dec. 19, 2014, 128 Stat. 4042
I.R.C. 179BDeduction for capital costs incurred in complying with Environmental Protection Agency sulfur regulations
I.R.C. 179CElection to expense certain refineries
I.R.C. 179DEnergy efficient commercial buildings deduction
I.R.C. 179EElection to expense advanced mine safety equipment
I.R.C. 180Expenditures by farmers for fertilizer, etc.
I.R.C. 181Treatment of certain qualified film and television and live theatrical productions
I.R.C. 182Repealed. Pub. L. 99–514, title IV, §402(a), Oct. 22, 1986, 100 Stat. 2221
I.R.C. 183Activities not engaged in for profit
I.R.C. 184Repealed. Pub. L. 101–508, title XI, §11801(a)(12), Nov. 5, 1990, 104 Stat. 1388–520
I.R.C. 185Repealed. Pub. L. 99–514, title II, §242(a), Oct. 22, 1986, 100 Stat. 2181
I.R.C. 186Recoveries of damages for antitrust violations, etc.
I.R.C. 187Repealed. Pub. L. 94–455, title XIX, §1901(a)(31), Oct. 4, 1976, 90 Stat. 1769
I.R.C. 188Repealed. Pub. L. 101–508, title XI, §11801(a)(13), Nov. 5, 1990, 104 Stat. 1388–520
I.R.C. 189Repealed. Pub. L. 99–514, title VIII, §803(b)(1), Oct. 22, 1986, 100 Stat. 2355
I.R.C. 190Expenditures to remove architectural and transportation barriers to the handicapped and elderly
I.R.C. 191Repealed. Pub. L. 97–34, title II, §212(d)(1), Aug. 13, 1981, 95 Stat. 239
I.R.C. 192Contributions to black lung benefit trust
I.R.C. 193Tertiary injectants
I.R.C. 194Treatment of reforestation expenditures
I.R.C. 194AContributions to employer liability trusts
I.R.C. 195Start-up expenditures
I.R.C. 196Deduction for certain unused business credits
I.R.C. 197Amortization of goodwill and certain other intangibles
I.R.C. 198Expensing of environmental remediation costs
I.R.C. 198ARepealed. Pub. L. 113–295, div. A, title II, §221(a)(35), Dec. 19, 2014, 128 Stat. 4042
I.R.C. 199Repealed. Pub. L. 115–97, title I, §13305(a), Dec. 22, 2017, 131 Stat. 2126
I.R.C. 199AQualified business income
I.R.C. 211Allowance of deductions
I.R.C. 212Expenses for production of income
I.R.C. 213Medical, dental, etc., expenses
I.R.C. 214Repealed. Pub. L. 94–455, title V, §504(b)(1), Oct. 4, 1976, 90 Stat. 1565
I.R.C. 215Repealed. Pub. L. 115–97, title I, §11051(a), Dec. 22, 2017, 131 Stat. 2089
I.R.C. 216Deduction of taxes, interest, and business depreciation by cooperative housing corporation tenant-stockholder
I.R.C. 217Moving expenses
I.R.C. 218Repealed. Pub. L. 95–600, title I, §113(a)(1), Nov. 6, 1978, 92 Stat. 2778
I.R.C. 219Retirement savings
I.R.C. 220Archer MSAs
I.R.C. 221Interest on education loans
I.R.C. 222Repealed. Pub. L. 116–260, div. EE, title I, §104(b)(1), Dec. 27, 2020, 134 Stat. 3041
I.R.C. 223Health savings accounts
I.R.C. 224Cross reference
I.R.C. 241Allowance of special deductions
I.R.C. 242Repealed. Pub. L. 94–455, title XIX, §1901(a)(33), Oct. 4, 1976, 90 Stat. 1769
I.R.C. 243Dividends received by corporations
I.R.C. 244Repealed. Pub. L. 113–295, div. A, title II, §221(a)(41)(A), Dec. 19, 2014, 128 Stat. 4043
I.R.C. 245Dividends received from certain foreign corporations
I.R.C. 245ADeduction for foreign source-portion of dividends received by domestic corporations from specified 10-percent owned foreign corporations
I.R.C. 246Rules applying to deductions for dividends received
I.R.C. 246ADividends received deduction reduced where portfolio stock is debt financed
I.R.C. 247Contributions to Alaska Native Settlement Trusts
I.R.C. 248Organizational expenditures
I.R.C. 249Limitation on deduction of bond premium on repurchase
I.R.C. 250Foreign-derived intangible income and global intangible low-taxed income
I.R.C. 261General rule for disallowance of deductions
I.R.C. 262Personal, living, and family expenses
I.R.C. 263Capital expenditures
I.R.C. 263ACapitalization and inclusion in inventory costs of certain expenses
I.R.C. 264Certain amounts paid in connection with insurance contracts
I.R.C. 265Expenses and interest relating to tax-exempt income
I.R.C. 266Carrying charges
I.R.C. 267Losses, expenses, and interest with respect to transactions between related taxpayers
I.R.C. 267ACertain related party amounts paid or accrued in hybrid transactions or with hybrid entities
I.R.C. 268Sale of land with unharvested crop
I.R.C. 269Acquisitions made to evade or avoid income tax
I.R.C. 269APersonal service corporations formed or availed of to avoid or evade income tax
I.R.C. 269BStapled entities
I.R.C. 270Repealed. Pub. L. 91–172, title II, §213(b), Dec. 30, 1969, 83 Stat. 572
I.R.C. 271Debts owed by political parties, etc.
I.R.C. 272Disposal of coal or domestic iron ore
I.R.C. 273Holders of life or terminable interest
I.R.C. 274Disallowance of certain entertainment, etc., expenses
I.R.C. 275Certain taxes
I.R.C. 276Certain indirect contributions to political parties
I.R.C. 277Deductions incurred by certain membership organizations in transactions with members
I.R.C. 278Repealed. Pub. L. 99–514, title VIII, §803(b)(6), Oct. 22, 1986, 100 Stat. 2356
I.R.C. 279Interest on indebtedness incurred by corporation to acquire stock or assets of another corporation
I.R.C. 280Repealed. Pub. L. 99–514, title VIII, §803(b)(2)(A), Oct. 22, 1986, 100 Stat. 2355
I.R.C. 280ADisallowance of certain expenses in connection with business use of home, rental of vacation homes, etc.
I.R.C. 280BDemolition of structures
I.R.C. 280CCertain expenses for which credits are allowable
I.R.C. 280DRepealed. Pub. L. 100–418, title I, §1941(b)(4)(A), Aug. 23, 1988, 102 Stat. 1324
I.R.C. 280EExpenditures in connection with the illegal sale of drugs
I.R.C. 280FLimitation on depreciation for luxury automobiles; limitation where certain property used for personal purposes
I.R.C. 280GGolden parachute payments
I.R.C. 280HLimitation on certain amounts paid to employee-owners by personal service corporations electing alternative taxable years
I.R.C. 281Terminal railroad corporations and their shareholders
I.R.C. 291Special rules relating to corporate preference items

The preliminary Code is a preliminary release of the Internal Revenue Code of 1986 (the "Code") by the Office of the Law Revision Counsel and is subject to further revision before it is released again as a final version. The source of the preliminary Code used in TouchTax is available here: https://uscode.house.gov/download/download.shtml. The Code is a consolidation and codification by subject matter of the general and permanent laws of the U.S. prepared by the Office of the Law Revision Counsel of the U.S. House of Representatives. The Treasury Regulations are a codification of the general and permanent rules published in the Federal Register by the departments and agencies of the federal government. The version of the Treasury Regulations available within TouchTax is part of the Electronic Code of Federal Regulations which is not an official legal edition of the Code of Federal Regulations but is an editorial compilation of CFR material and Federal Register amendments produced by the National Archives and Records Administration's Office of the Federal Register (OFR) and the Government Publishing Office. The source of the CFR used in TouchTax is available here: https://www.govinfo.gov/bulkdata/ECFR/title-26. Those using TouchTax for legal research should verify their results against the printed versions of the Code and Treasury Regulations. TouchTax is copyright 2024 by Com-Lab (Mobile). Learn more at http://touchtax.edrich.de.