Section, Pub. L. 89-808, Sec. 4, Nov. 11, 1966, 80 Stat. 1538; Pub. L. 95-501, title I, Sec. 101, Oct. 21, 1978, 92 Stat. 1685; Pub. L. 97-98, title XII, Sec. 1201, Dec. 22, 1981, 95 Stat. 1274; Pub. L. 98-623, title IV, Sec. 405(c), Nov. 8, 1984, 98 Stat. 3409; Pub. L. 99-198, title XI, Sec. 1130, 1131, Dec. 23, 1985, 99 Stat. 1486; Pub. L. 100-418, title IV, Sec. 4402(b), Aug. 23, 1988, 102 Stat. 1400, provided for an export credit sales program. See section 5621 et seq. of this title