Section, Pub. L. 87–195, pt. III, § 620B, as added Pub. L. 95–92, § 11, Aug. 4, 1977, 91 Stat. 619; amended Pub. L. 95–384, § 12(c)(1), Sept. 26, 1978, 92 Stat. 737, prohibited assistance and sales to Argentina.