21 U.S.C. § 1506...1508 — Repealed. Pub. L. 100–690, Title I, § 1009, Nov. 18, 1988, 102 Stat. 4188, As Amended By 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; Pub. L. 116–74, § 2(c)(1)(a)(i)(iii), Nov. 27, 2019, 133 Stat. 1157