# 26 U.S.C. § 63: Taxable income defined

> Federal · Statutes · In force

URL: https://www.frixlaw.com/law-library/statutes/usc_t26_s63

## Section

- **Citation:** 26 U.S.C. § 63
- **Heading:** Taxable income defined
- **Jurisdiction:** Federal
- **Kind:** Statutes
- **Status:** In force
- **Text as of:** September 16, 2026
- **Source:** Publisher's official text
- **Location:** Title 26—INTERNAL REVENUE CODE > Subtitle A—Income Taxes > CHAPTER 1—NORMAL TAXES AND SURTAXES > Subchapter B—Computation of Taxable Income > PART I—DEFINITION OF GROSS INCOME, ADJUSTED GROSS INCOME, TAXABLE INCOME, ETC.

## Text

Except as provided in subsection (b), for purposes of this subtitle, the term “taxable income” means gross income minus the deductions allowed by this chapter (other than the standard deduction).

( Aug. 16, 1954, ch. 736 , 68A Stat. 18 ; Pub. L. 95–30, title I, § 102(a) , May 23, 1977 , 91 Stat. 135 ; Pub. L. 95–600, title I, § 101(b) , Nov. 6, 1978 , 92 Stat. 2769 ; Pub. L. 97–34, title I , §§ 104(b), 111(b)(4), 121(b), (c)(2), Aug. 13, 1981 , 95 Stat. 189 , 194, 196, 197; Pub. L. 99–514, title I, § 102(a) , title XII, § 1272(d)(6), Oct. 22, 1986 , 100 Stat. 2099 , 2594; Pub. L. 100–647, title I, § 1001(b)(1) , Nov. 10, 1988 , 102 Stat. 3349 ; Pub. L. 101–508, title XI , §§ 11101(d)(1)(D), 11801(a)(4), Nov. 5, 1990 , 104 Stat. 1388–405 , 1388–520; Pub. L. 103–66, title XIII, § 13201(b)(3)(D) , Aug. 10, 1993 , 107 Stat. 459 ; Pub. L. 105–34, title XII, § 1201(a) , Aug. 5, 1997 , 111 Stat. 993 ; Pub. L. 107–16, title III, § 301(a) , (b), (c)(2), June 7, 2001 , 115 Stat. 53 , 54; Pub. L. 107–147, title IV, § 411(e) , Mar. 9, 2002 , 116 Stat. 46 ; Pub. L. 108–27, title I, § 103(a) , May 28, 2003 , 117 Stat. 754 ; Pub. L. 108–311, title I, § 101(b) , Oct. 4, 2004 , 118 Stat. 1167 ; Pub. L. 110–289, div. C, title I, § 3012(a) , (b), July 30, 2008 , 122 Stat. 2891 , 2892; Pub. L. 110–343, div. C, title II, § 204(a) , title VII, § 706(b)(1), (2), Oct. 3, 2008 , 122 Stat. 3865 , 3922; Pub. L. 111–5, div. B, title I, § 1008(c) , Feb. 17, 2009 , 123 Stat. 318 ; Pub. L. 113–295, div. A, title II, § 221(a)(13) , Dec. 19, 2014 , 128 Stat. 4039 ; Pub. L. 115–97, title I , §§ 11002(d)(1)(K), 11011(b)(2), (3), 11021(a), Dec. 22, 2017 , 131 Stat. 2060 , 2070, 2072; Pub. L. 115–141, div. T, § 101(a)(2)(A) , Mar. 23, 2018 , 132 Stat. 1155 ; Pub. L. 116–260, div. EE, title II, § 212(b) , Dec. 27, 2020 , 134 Stat. 3067 ; Pub. L. 119–21, title VII , §§ 70102(a), (b), 70201(b), 70202(b), 70203(b), July 4, 2025 , 139 Stat. 158 , 171, 174, 177; Pub. L. 119–108, § 2(c) , Sept. 11, 2026 , 140 Stat. 1020 .)

## Nearby sections

- [26 U.S.C. § 61 Gross income defined](https://www.frixlaw.com/law-library/statutes/usc_t26_s61.md)
- [26 U.S.C. § 62 Adjusted gross income defined](https://www.frixlaw.com/law-library/statutes/usc_t26_s62.md)
- [26 U.S.C. § 63 Taxable income defined](https://www.frixlaw.com/law-library/statutes/usc_t26_s63.md)
- [26 U.S.C. § 64 Ordinary income defined](https://www.frixlaw.com/law-library/statutes/usc_t26_s64.md)
- [26 U.S.C. § 65 Ordinary loss defined](https://www.frixlaw.com/law-library/statutes/usc_t26_s65.md)
- [26 U.S.C. § 66 Treatment of community income](https://www.frixlaw.com/law-library/statutes/usc_t26_s66.md)
- [26 U.S.C. § 67 2-percent floor on miscellaneous itemized deductions](https://www.frixlaw.com/law-library/statutes/usc_t26_s67.md)
- [26 U.S.C. § 68 Overall limitation on itemized deductions](https://www.frixlaw.com/law-library/statutes/usc_t26_s68.md)
- [26 U.S.C. § 71 Repealed. Pub. L. 115–97, title I, § 11051(b)(1)(B) , Dec. 22, 2017 , 131 Stat. 2089 ]](https://www.frixlaw.com/law-library/statutes/usc_t26_s71.md)
- [26 U.S.C. § 72 Annuities; certain proceeds of endowment and life insurance contracts](https://www.frixlaw.com/law-library/statutes/usc_t26_s72.md)
- [26 U.S.C. § 73 Services of child](https://www.frixlaw.com/law-library/statutes/usc_t26_s73.md)
- [26 U.S.C. § 74 Prizes and awards](https://www.frixlaw.com/law-library/statutes/usc_t26_s74.md)
- [26 U.S.C. § 75 Dealers in tax-exempt securities](https://www.frixlaw.com/law-library/statutes/usc_t26_s75.md)
- [26 U.S.C. § 76 Repealed. Pub. L. 94–455, title XIX, § 1901(a)(14) , Oct. 4, 1976 , 90 Stat. 1765 ]](https://www.frixlaw.com/law-library/statutes/usc_t26_s76.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/usc_t26_s63. Check the current official text before relying on it. Not legal advice.