Section, June 17, 1930, ch. 497, title III, § 306, 46 Stat. 689; Pub. L. 85–867, Sept. 2, 1958, 72 Stat. 1685; Pub. L. 90–201, § 18, Dec. 15, 1967, 81 Stat. 600; Pub. L. 100–449, title III, § 301(f)(5), Sept. 28, 1988, 102 Stat. 1869; Pub. L. 103–182, title III, § 361(d)(1), Dec. 8, 1993, 107 Stat. 2123; Pub. L. 103–465, title IV, § 431(g), Dec. 8, 1994, 108 Stat. 4969, prohibited the importation of cattle, sheep, swine, and meats in certain cases.