26 U.S.C. § 190
(a) Treatment as expenses
(b) Definitions For purposes of this section—
(Added Pub. L. 94–455, title XXI, § 2122(a), , 90 Stat. 1914; amended Pub. L. 98–369, div. A, title X, § 1062(a)(1), (b), , 98 Stat. 1047; Pub. L. 99–514, title II, § 244, , 100 Stat. 2183; Pub. L. 101–508, title XI, §§ 11611(c), 11801(a)(14), , 104 Stat. 1388–503, 1388–520.)
Amendments 1990—Subsec. (c). Pub. L. 101–508, § 11611(c), substituted “$15,000” for “$35,000”.
Subsec. (d). Pub. L. 101–508, § 11801(a)(14), struck out subsec. (d) which related to application of section to taxable years beginning after , and before , and to taxable years beginning after .
1986—Subsec. (d)(2). Pub. L. 99–514 substituted “1983” for “1983, and before ”.
1984—Subsec. (c). Pub. L. 98–369, § 1062(b), substituted “$35,000” for “$25,000”.
Subsec. (d). Pub. L. 98–369, § 1062(a)(1), amended subsec. (d) generally, substituting provisions that this section shall apply to taxable years beginning after , and before , and to taxable years beginning after , and before for provisions which had required the Secretary to prescribe such regulations as might be necessary to carry out this section within 180 days after .
Effective Date of 1990 Amendment Amendment by section 11611(c) of Pub. L. 101–508 applicable to taxable years beginning after , see section 11611(e)(2) of Pub. L. 101–508, set out as a note under section 38 of this title.
Effective Date of 1984 Amendment Pub. L. 98–369, div. A, title X, § 1062(c), , 98 Stat. 1047, provided that:
“The amendment made by subsection (b) [amending this section] shall apply to taxable years beginning after
December 31, 1983.”
Effective Date Pub. L. 94–455, title XXI, § 2122(c), , 90 Stat. 1915, as amended by Pub. L. 96–167, § 9(c), , 93 Stat. 1278; Pub. L. 98–369, div. A, title X, § 1062(a)(2), , 98 Stat. 1047, provided that:
“The amendments made by this section [enacting this section and amending sections 263, 1245, and 1250 of this title] shall apply to taxable years beginning after
December 31, 1976.”
Savings Provision For provisions that nothing in amendment by section 11801(a)(14) of Pub. L. 101–508 be construed to affect treatment of certain transactions occurring, property acquired, or items of income, loss, deduction, or credit taken into account prior to , for purposes of determining liability for tax for periods ending after , see section 11821(b) of Pub. L. 101–508, set out as a note under section 45K of this title.