Section, acts Jan. 31, 1942, ch. 31, 56 Stat. 40; Pub. L. 85-36, title I, Sec. 110, May 23, 1957, 71 Stat. 34; Pub. L. 97-461, Sec. 3, Jan. 12, 1983, 96 Stat. 2524; Pub. L. 103-465, title IV, Sec. 431(b), Dec. 8, 1994, 108 Stat. 4967, related to inspection, cleaning, and disinfection of vehicles and materials entering into the United States from Mexico