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Internal Revenue Code, § 261. General Rule For Disallowance Of Deductions

In computing taxable income no deduction shall in any case be allowed in respect of the items specified in this part.
(Aug. 16, 1954, ch. 736, 68A Stat. 76.)
BACKGROUND NOTES
Amendments to Part
1988--Pub. L. 100-418, title I, 1941(b)(4)(B), Aug. 23, 1988, 102 Stat. 1324, struck out item 280D “Portion of chapter 45 taxes for which credit or refund is allowable under section 6429”.
1987--Pub. L. 100-203, title X, 10206(c)(2), Dec. 22, 1987, 101 Stat. 1330-402, added item 280H.
1986--Pub. L. 99-514, title VIII, 803(c)(1), (3), Oct. 22, 1986, 100 Stat. 2356, added item 263A and struck out items 278 “Capital expenditures incurred in planting and developing citrus and almond groves” and 280 “Certain expenditures incurred in production of films, books, records, or similar property”.
1984--Pub. L. 98-369, div. A, title I, 67(d)(1), 136(b), 179(c), title X, 1063(b)(2), July 18, 1984, 98 Stat. 587, 670, 718, 1047, added items 269B, 280F, and 280G, and struck out “certain historic” before “structures” in item 280B.
1983--Pub. L. 97-414, 4(b)(2)(B), Jan. 4, 1983, 96 Stat. 2056, substituted “Certain expenses for which credits are allowable” for “Portion of wages for which credit is claimed under section 44B” in item 280C.
1982--Pub. L. 97-248, title II, 250(b), title III, 351(b), Sept. 3, 1982, 96 Stat. 528, 640, added items 269A and 280E.
1980--Pub. L. 96-499, title XI, 1131(d)(2), Dec. 5, 1980, 94 Stat. 2693, added item 280D.
1977--Pub. L. 95-30, title II, 202(c)(2), May 23, 1977, 91 Stat. 147, added item 280C.
1976--Pub. L. 94-455, title II, 210(b), title VI, 601(b), title XXI, 2124(b)(2), Oct. 4, 1976, 90 Stat. 1544, 1572, 1918, added items 280, 280A, and 280B.
1971--Pub. L. 91-680, 1(c), Jan. 12, 1971, 84 Stat. 2064, inserted “and almond” after “citrus” in item 278.
1969--Pub. L. 91-172, title I, 121(b)(3)(B), title II, 213(c)(2), 216(b), title IV, 411(b), Dec. 30, 1969, 83 Stat. 541, 572, 574, 608, struck out item 270 “Limitation on deductions allowable to individuals in certain cases”, and added items 277 to 279.
1966--Pub. L. 89-368, title III, 301(b), Mar. 15, 1966, 80 Stat. 67, added item 276.
1964--Pub. L. 88-272, title II, 207(b)(3)(B), 227(b)(4), Feb. 26, 1964, 78 Stat. 42, 98, inserted “or domestic iron ore” in item 272, and added item 275.
1962--Pub. L. 87-834, 4(a)(2), Oct. 16, 1962, 76 Stat. 976, added item 274.