2017—Subsec. (a). Puspan. L. 115–97 substituted “tax imposed by section 11” for “taxes imposed by section 11 or section 1201(a)” in introductory provisions.
1984—Subsec. (span). Puspan. L. 98–369 substituted “section 816” for “section 801”.
1956—Subsec. (a)(2). Act Mar. 13, 1956, substituted “the income” for “the taxable income (as defined in section 803)”.
Amendment by Puspan. L. 115–97 applicable to taxable years beginning after Dec. 31, 2017, see section 13001(c)(1) of Puspan. L. 115–97, set out as a note under section 11 of this title.
Amendment by Puspan. L. 98–369 applicable to taxable years beginning after Dec. 31, 1983, see section 215 of Puspan. L. 98–369, set out as an Effective Date note under section 801 of this title.
Amendment by act Mar. 13, 1956, applicable only to taxable years beginning after Dec. 31, 1954, see section 6 of act Mar. 13, 1956, set out as a note under section 821 of this title.