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Title 26 — Internal Revenue Code

Part VI · Chapter 1 — Normal Taxes and Surtaxes

§ 161. Allowance of deductions

Statutory text

In computing taxable income under section 63, there shall be allowed as deductions the items specified in this part, subject to the exceptions provided in part IX (sec. 261 and following, relating to items not deductible).

Legislative history

Reconstructed from this section’s Code source credit and amendment notes, resolved against the local Statutes at Large. Editorial notes are evidence, not the law that made the change.

  1. Aug. 16, 1954, ch. 736, 68A Stat. 45 · 68A Stat. 45

    Enacted · 26 U.S.C. § 161

    Aug. 16, 1954, ch. 736, 68A Stat. 45

    Source evidence

    Code source credit
    Aug. 16, 1954, ch. 736, 68A Stat. 45

  2. Tax Reduction and Simplification Act of 1977

    Pub. L. 95–30 title I § 102(b)(1) · 91 Stat. 126

    Substituted · 26 U.S.C. § 161

    Pub. L. 95–30 substituted “section 63” for “section 63(a)”

    Source evidence

    Code amendment note
    Pub. L. 95–30 substituted “section 63” for “section 63(a)”.

    Enacted provision · exact public law section
    (1) Section 161 (relating to allowance of deductions) is 26 USC 161. Ante, p. 135. amended by striking out “section 63(a)” and inserting in lieu thereof “section 63”.

    Effective date note
    Amendment by Pub. L. 95–30 applicable to taxable years beginning after Dec. 31, 1976, see section 106(a) of Pub. L. 95–30, set out as a note under section 1 of this title.

1 of 2 references resolved to an enrolled provision · 1 partial

Editorial Notes

Amendments

1977—Pub. L. 95–30 substituted “section 63” for “section 63(a)”.

Statutory Notes and Related Subsidiaries

Effective Date of 1977 Amendment

Amendment by Pub. L. 95–30 applicable to taxable years beginning after , see section 106(a) of Pub. L. 95–30, set out as a note under section 1 of this title.

Credits

1954–1977 · 2 acts
  1. 1954Aug. 16, 1954, ch. 736, 68A Stat. 45
  2. 1977Pub. L. 95–30, title I, § 102(b)(1), , 91 Stat. 137.
Show as published

(Aug. 16, 1954, ch. 736, 68A Stat. 45; Pub. L. 95–30, title I, § 102(b)(1), , 91 Stat. 137.)

Parsed from the official OLRC USLM XML in data/usc_all/usc26.xml · release point 119-108 · OLRC build 2026-09-16

USLM identifier /us/usc/t26/s161