Section, Pub. L. 87–195, pt. I, § 120, formerly pt. III, § 639B, as added Pub. L. 93–189, § 20, Dec. 17, 1973, 87 Stat. 725; renumbered pt. I, § 494B, and amended Pub. L. 94–161, title I, § 101(5), (7), Dec. 20, 1975, 89 Stat. 850; renumbered pt. I, § 120; amended Pub. L. 95–88, title I, § 115(1), (2), Aug. 3, 1977, 91 Stat. 539, which related to the Sahel development program and had been classified to section 2399–1b of this title, has been transferred to section 2151r of this title.