Amendments
1997—[Pub. L. 105–34, title XIV, § 1432(b)(2)], Aug. 5, 1997, [110 Stat. 1050], struck out item for subchapter F “Tax on removal of hard mineral resources from deep seabed”.
1989—[Pub. L. 101–239, title VII, § 7504(b)], Dec. 19, 1989, [103 Stat. 2363], added item for subchapter B.
1986—[Pub. L. 99–662, title XIV, § 1402(b)], Nov. 17, 1986, [100 Stat. 4269], added item for subchapter A.
1982—[Pub. L. 97–248, title II, § 280(c)(2)(A)], Sept. 3, 1982, [96 Stat. 564], struck out item for subchapter E.
1980—[Pub. L. 96–283, title IV, § 402(b)], June 28, 1980, [94 Stat. 584], added item for subchapter F.
1970—[Pub. L. 91–258, title II, § 206(d)(1)], May 21, 1970, [84 Stat. 246], added item for subchapter E.
1965—[Pub. L. 89–44, title IV], §§ 402, 404, June 21, 1965, [79 Stat. 148], 149, struck out items for subchapters A and C.
1956—[Act June 29, 1956, ch. 462], title II, § 206(c), [70 Stat. 391], added item for subchapter D.
