§ 135a.
([Mar. 3, 1931, ch. 400, § 1], [46 Stat. 1487]; [Mar. 4, 1933, ch. 279], [47 Stat. 1570]; [June 14, 1935, ch. 242, § 1], [49 Stat. 374]; [Apr. 23, 1937, ch. 125, § 1], [50 Stat. 72]; [June 7, 1939, ch. 191], [53 Stat. 812]; [June 6, 1940, ch. 255], [54 Stat. 245]; [Oct. 1, 1942, ch. 575, § 1], [56 Stat. 764]; [June 13, 1944, ch. 246, § 1], [58 Stat. 276]; [Aug. 8, 1946, ch. 868, § 1], [60 Stat. 908]; [July 3, 1952, ch. 566], [66 Stat. 326]; [Pub. L. 85–308, § 1], Sept. 7, 1957, [71 Stat. 630]; [Pub. L. 89–522, § 1], July 30, 1966, [80 Stat. 330]; [Pub. L. 114–219, § 1], July 29, 2016, [130 Stat. 845]; [Pub. L. 116–94, div. P, title XIV, § 1403(a)], Dec. 20, 2019, [133 Stat. 3206].)