§ 666.
([Aug. 16, 1954, ch. 736], [68A Stat. 224]; [Pub. L. 87–834, § 7(c)], Oct. 16, 1962, [76 Stat. 986]; [Pub. L. 91–172, title III, § 331(a)], Dec. 30, 1969, [83 Stat. 593]; [Pub. L. 94–455, title VII, § 701(a)(2)], Oct. 4, 1976, [90 Stat. 1577]; [Pub. L. 95–600, title IV, § 421(d)], Nov. 6, 1978, [92 Stat. 2875]; [Pub. L. 96–222, title I, § 104(a)(4)(H)(vi)], Apr. 1, 1980, [94 Stat. 218].)