Section 1506, Pub. L. 100–690, title I, § 1009, Nov. 18, 1988, 102 Stat. 4188; Pub. L. 103–322, title IX, § 90208(a), Sept. 13, 1994, 108 Stat. 1995; Pub. L. 105–20, § 2(b), June 27, 1997, 111 Stat. 234; Pub. L. 115–271, title VIII, § 8203(a)(3), Oct. 24, 2018, 132 Stat. 4111, repealed this subchapter, and the amendments made by this subchapter, except for section 1007, effective Sept. 30, 1997. Amendment by Pub. L. 115–271 added another exception for sections 1021 to 1035 of Pub. L. 100–690 [21 U.S.C. 1521 to 1535], which was not given effect because those sections had not been treated as repealed in light of Pub. L. 105–20, § 2(b).

Section 1507, Pub. L. 100–690, title I, § 1010, Nov. 18, 1988, 102 Stat. 4188; Pub. L. 105–20, § 2(b), June 27, 1997, 111 Stat. 234, defined terms for purposes of this subchapter. See section 1701 of this title.

Section 1508, Pub. L. 100–690, title I, § 1011, Nov. 18, 1988, 102 Stat. 4189; Pub. L. 103–322, title IX, § 90206, Sept. 13, 1994, 108 Stat. 1995; Pub. L. 105–20, § 2(b), June 27, 1997, 111 Stat. 234, authorized appropriations to carry out this subchapter. See section 1711 of this title.

Repeal effective Sept. 30, 1997, see section 1009 of Pub. L. 100–690, as amended, which was formerly classified to section 1506 of this title.