Federal

Title 26 — Internal Revenue Code

2,161 sections, each with the official text and a plain-English explanation of what it means for you.

• § 4591 to 4597 — Repealed. Pub. L. 94–455, title XIX, § 1904(a)(15) , Oct. 4, 1976 , 90 Stat. 1814 ]
• § 45A — Indian employment credit
• § 45AA — Military spouse retirement plan eligibility credit for small employers
• § 45B — Credit for portion of employer social security taxes paid with respect to employee cash tips
• § 45C — Clinical testing expenses for certain drugs for rare diseases or conditions
• § 45D — New markets tax credit
• § 45E — Small employer pension plan startup costs
• § 45F — Employer-provided child care credit
• § 45G — Railroad track maintenance credit
• § 45H — Credit for production of low sulfur diesel fuel
• § 45I — Credit for producing oil and gas from marginal wells
• § 45J — Credit for production from advanced nuclear power facilities
• § 45K — Credit for producing fuel from a nonconventional source
• § 45L — New energy efficient home credit
• § 45M — Repealed. Pub. L. 115–141, div. U, title IV, § 401(d)(2)(A) , Mar. 23, 2018 , 132 Stat. 1208 ]
• § 45N — Mine rescue team training credit
• § 45O — Agricultural chemicals security credit
• § 45P — Employer wage credit for employees who are active duty members of the uniformed services
• § 45Q — Credit for carbon oxide sequestration
• § 45R — Employee health insurance expenses of small employers
• § 45S — Employer credit for paid family and medical leave
• § 45T — Auto-enrollment option for retirement savings options provided by small employers
• § 45U — Zero-emission nuclear power production credit
• § 45V — Credit for production of clean hydrogen
• § 45W — Credit for qualified commercial clean vehicles
• § 45X — Advanced manufacturing production credit
• § 45Y — Clean electricity production credit
• § 45Z — Clean fuel production credit
• § 46 — Amount of credit
• § 460 — Special rules for long-term contracts
• § 4601 to 4603 — Repealed. Pub. L. 87–456, title III, § 302(d) , May 24, 1962 , 76 Stat. 77 ]
• § 461 — General rule for taxable year of deduction
• § 4611 — Imposition of tax
• § 4612 — Definitions and special rules
• § 462 — Repealed. June 15, 1955, ch. 143, § 1(b) , 69 Stat. 134 ]
• § 463 — Repealed. Pub. L. 100–203, title X, § 10201(a) , Dec. 22, 1987 , 101 Stat. 1330–387 ]
• § 464 — Limitations on deductions for certain farming expenses
• § 465 — Deductions limited to amount at risk
• § 466 — Repealed. Pub. L. 99–514, title VIII, § 823(a) , Oct. 22, 1986 , 100 Stat. 2373 ]
• § 4661 — Imposition of tax
• § 4662 — Definitions and special rules
• § 467 — Certain payments for the use of property or services
• § 4671 — Imposition of tax
• § 4672 — Definitions and special rules
• § 468 — Special rules for mining and solid waste reclamation and closing costs
• § 4681 — Imposition of tax
• § 4682 — Definitions and special rules
• § 468A — Special rules for nuclear decommissioning costs
• § 468B — Special rules for designated settlement funds
• § 469 — Passive activity losses and credits limited
• § 47 — Rehabilitation credit
• § 470 — Limitation on deductions allocable to property used by governments or other tax-exempt entities
• § 4701 — Tax on issuer of registration-required obligation not in registered form
• § 471 — General rule for inventories
• § 472 — Last-in, first-out inventories
• § 473 — Qualified liquidations of LIFO inventories
• § 474 — Simplified dollar-value LIFO method for certain small businesses
• § 475 — Mark to market accounting method for dealers in securities
• § 48 — Energy credit
• § 481 — Adjustments required by changes in method of accounting
• § 482 — Allocation of income and deductions among taxpayers
• § 483 — Interest on certain deferred payments
• § 48A — Qualifying advanced coal project credit
• § 48B — Qualifying gasification project credit
• § 48C — Qualifying advanced energy project credit
• § 48D — Advanced manufacturing investment credit
• § 48E — Clean electricity investment credit
• § 49 — At-risk rules
• § 4901 — Payment of tax
• § 4902 — Liability of partners
• § 4903 — Liability in case of business in more than one location
• § 4904 — Liability in case of different businesses of same ownership and location
• § 4905 — Liability in case of death or change of location
• § 4906 — Application of State laws
• § 4907 — Federal agencies or instrumentalities
• § 4911 — Tax on excess expenditures to influence legislation
• § 4912 — Tax on disqualifying lobbying expenditures of certain organizations
• § 4940 — Excise tax based on investment income
• § 4941 — Taxes on self-dealing
• § 4942 — Taxes on failure to distribute income
• § 4943 — Taxes on excess business holdings
• § 4944 — Taxes on investments which jeopardize charitable purpose
• § 4945 — Taxes on taxable expenditures
• § 4946 — Definitions and special rules
• § 4947 — Application of taxes to certain nonexempt trusts
• § 4948 — Application of taxes and denial of exemption with respect to certain foreign organizations
• § 4951 — Taxes on self-dealing
• § 4952 — Taxes on taxable expenditures
• § 4953 — Tax on excess contributions to black lung benefit trusts
• § 4955 — Taxes on political expenditures of section 501(c)(3) organizations
• § 4958 — Taxes on excess benefit transactions
• § 4959 — Taxes on failures by hospital organizations
• § 4960 — Tax on excess tax-exempt organization executive compensation
• § 4961 — Abatement of second tier taxes where there is correction
• § 4962 — Abatement of first tier taxes in certain cases
• § 4963 — Definitions
• § 4965 — Excise tax on certain tax-exempt entities entering into prohibited tax shelter transactions
• § 4966 — Taxes on taxable distributions
• § 4967 — Taxes on prohibited benefits
• § 4968 — Excise tax based on investment income of private colleges and universities
• § 4971 — Taxes on failure to meet minimum funding standards
• § 4972 — Tax on nondeductible contributions to qualified employer plans
• § 4973 — Tax on excess contributions to certain tax-favored accounts and annuities
• § 4974 — Excise tax on certain accumulations in qualified retirement plans
• § 4975 — Tax on prohibited transactions
• § 4976 — Taxes with respect to funded welfare benefit plans
• § 4977 — Tax on certain fringe benefits provided by an employer
• § 4978 — Tax on certain dispositions by employee stock ownership plans and certain cooperatives
• § 4978A — Repealed. Pub. L. 101–239, title VII, § 7304(a)(2)(C)(i) , Dec. 19, 1989 , 103 Stat. 2353 ]
• § 4978B — Repealed. Pub. L. 104–188, title I, § 1602(b)(5)(A) , Aug. 20, 1996 , 110 Stat. 1834 ]
• § 4979 — Tax on certain excess contributions
• § 4979A — Tax on certain prohibited allocations of qualified securities
• § 4980 — Tax on reversion of qualified plan assets to employer
• § 4980A — Repealed. Pub. L. 105–34, title X, § 1073(a) , Aug. 5, 1997 , 111 Stat. 948 ]
• § 4980B — Failure to satisfy continuation coverage requirements of group health plans
• § 4980C — Requirements for issuers of qualified long-term care insurance contracts
• § 4980D — Failure to meet certain group health plan requirements
• § 4980E — Failure of employer to make comparable Archer MSA contributions
• § 4980F — Failure of applicable plans reducing benefit accruals to satisfy notice requirements
• § 4980G — Failure of employer to make comparable health savings account contributions
• § 4980H — Shared responsibility for employers regarding health coverage
• § 4980I — Repealed. Pub. L. 116–94, div. N, title I, § 503(a) , Dec. 20, 2019 , 133 Stat. 3119 ]
• § 4981 — Excise tax on undistributed income of real estate investment trusts
• § 4982 — Excise tax on undistributed income of regulated investment companies
• § 4985 — Stock compensation of insiders in expatriated corporations
• § 4999 — Golden parachute payments
• § 5 — Cross references relating to tax on individuals
• § 50 — Other special rules
• § 5000 — Certain group health plans
• § 5000A — Requirement to maintain minimum essential coverage
• § 5000B — Imposition of tax on indoor tanning services
• § 5000C — Imposition of tax on certain foreign procurement
• § 5000D — Designated drugs during noncompliance periods
• § 5001 — Imposition, rate, and attachment of tax
• § 5002 — Definitions
• § 5003 — Cross references to exemptions, etc.
• § 5004 — Lien for tax
• § 5005 — Persons liable for tax
• § 5006 — Determination of tax
• § 5007 — Collection of tax on distilled spirits
• § 5008 — Abatement, remission, refund, and allowance for loss or destruction of distilled spirits
• § 5009 — Repealed. Pub. L. 96–39, title VIII, § 807(a)(7) , July 26, 1979 , 93 Stat. 281 ]
• § 501 — Exemption from tax on corporations, certain trusts, etc.
• § 5010 — Credit for wine content and for flavors content
• § 5011 — Income tax credit for average cost of carrying excise tax
• § 502 — Feeder organizations
• § 5021 to 5026 — Repealed. Pub. L. 96–39, title VIII, § 803(a) , July 26, 1979 , 93 Stat. 274 ]
• § 503 — Requirements for exemption
• § 504 — Status after organization ceases to qualify for exemption under section 501(c)(3) because of substantial lobbying or because of political activities
• § 5041 — Imposition and rate of tax
• § 5042 — Exemption from tax
• § 5043 — Collection of taxes on wines
• § 5044 — Refund of tax on wine
• § 5045 — Cross references
• § 505 — Additional requirements for organizations described in paragraph (9) or (17) of section 501(c)
• § 5051 — Imposition and rate of tax
• § 5052 — Definitions
• § 5053 — Exemptions
• § 5054 — Determination and collection of tax on beer
• § 5055 — Drawback of tax
• § 5056 — Refund and credit of tax, or relief from lia­bility
• § 506 — Organizations required to notify Secretary of intent to operate under 501(c)(4)
• § 5061 — Method of collecting tax
• § 5062 — Refund and drawback in case of exportation
• § 5063 — Repealed. Pub. L. 89–44, title V, § 501(e) , June 21, 1965 , 79 Stat. 150 ]
• § 5064 — Losses resulting from disaster, vandalism, or malicious mischief
• § 5065 — Territorial extent of law
• § 5066 — Distilled spirits for use of foreign embassies, legations, etc.
• § 5067 — Reduced rates not allowed for smuggled or illegally produced beer, wine, or spirits
• § 5068 — Cross reference
• § 507 — Termination of private foundation status
• § 508 — Special rules with respect to section 501(c)(3) organizations
• § 509 — Private foundation defined
• § 50A, 50B — Repealed. Pub. L. 98–369, div. A, title IV, § 474(m)(2) , July 18, 1984 , 98 Stat. 833 ]
• § 51 — Amount of credit
• § 5101 — Notice of manufacture of still; notice of set up of still
• § 5102 — Definition of manufacturer of stills
• § 511 — Imposition of tax on unrelated business income of charitable, etc., organizations
• § 5111 — Eligibility
• § 5112 — Registration and regulation
• § 5113 — Investigation of claims
• § 5114 — Drawback
• § 512 — Unrelated business taxable income
• § 5121 — Recordkeeping by wholesale dealers
• § 5122 — Recordkeeping by retail dealers
• § 5123 — Preservation and inspection of records, and entry of premises for inspection
• § 5124 — Registration by dealers
• § 513 — Unrelated trade or business
• § 5131 — Packaging distilled spirits for industrial uses
• § 5132 — Prohibited purchases by dealers
• § 514 — Unrelated debt-financed income
• § 515 — Taxes of foreign countries and possessions of the United States
• § 5171 — Establishment
• § 5172 — Application
• § 5173 — Bonds
• § 5174 — Repealed. Pub. L. 96–39, title VIII, § 807(a)(14) , July 26, 1979 , 93 Stat. 282 ]
• § 5175 — Export bonds
• § 5176 — New or renewed bonds
• § 5177 — Other provisions relating to bonds
• § 5178 — Premises of distilled spirits plants