- § 641. Repealed. Pub. L. 96–73, title I, § 111(b), Sept. 29, 1979, 93 Stat. 541
- §§ 642 to 644. Repealed. Pub. L. 103–272, § 7(b), July 5, 1994, 108 Stat. 1379
- § 645. Repealed. Pub. L. 99–272, title IV, § 4007(b), Apr. 7, 1986, 100 Stat. 108
- §§ 646 to 650c. Repealed. Pub. L. 103–272, § 7(b), July 5, 1994, 108 Stat. 1379
- §§ 650d, 650e. Repealed. Pub. L. 103–429, § 8(6), Oct. 31, 1994, 108 Stat. 4390
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