§ 311.
([Aug. 16, 1954, ch. 736], [68A Stat. 94]; [Pub. L. 91–172, title IX, § 905(a)], (b)(1), Dec. 30, 1969, [83 Stat. 713], 714; [Pub. L. 94–452, § 2(b)], Oct. 2, 1976, [90 Stat. 1511]; [Pub. L. 94–455, title XIX, § 1901(a)(42)(A)], (B)(i), (C), Oct. 4, 1976, [90 Stat. 1771]; [Pub. L. 95–600, title VII, § 703(j)(2)(A)], (B), Nov. 6, 1978, [92 Stat. 2941]; [Pub. L. 96–471, § 2(b)(1)], Oct. 19, 1980, [94 Stat. 2253]; [Pub. L. 97–248, title II, § 223(a)], Sept. 3, 1982, [96 Stat. 483]; [Pub. L. 98–369, div. A, title I, § 54(a)], title VII, § 712(j), July 18, 1984, [98 Stat. 568], 948; [Pub. L. 99–514, title VI, § 631(c)], Oct. 22, 1986, [100 Stat. 2272]; [Pub. L. 100–647, title I], §§ 1006(e)(8)(B), (21)(B), 1018(d)(5)(E), Nov. 10, 1988, [102 Stat. 3401], 3403, 3580.)