Section, [act June 25, 1938, ch. 675, § 507], as added [July 6, 1945, ch. 281, § 3], [59 Stat. 463]; amended [Mar. 10, 1947, ch. 16, § 3], [61 Stat. 12]; [July 13, 1949, ch. 305, § 2], [63 Stat. 409]; [Aug. 5, 1953, ch. 334, § 2], [67 Stat. 389]; [Pub. L. 87–781, title I], §§ 105(a), (b), (d)–(f), 106(a), (b), Oct. 10, 1962, [76 Stat. 785], 786, 787; [Pub. L. 90–399, § 105(b)], July 13, 1968, [82 Stat. 352]; [Pub. L. 102–300, § 6(b)(2)], June 16, 1992, [106 Stat. 240]; [Pub. L. 103–80, § 3(p)], Aug. 13, 1993, [107 Stat. 777], related to certification of drugs containing penicillin, streptomycin, chlortetracycline, chloramphenicol, bacitracin, or any other antibiotic drug.