Section, acts July 1, 1954, ch. 445, § 2, 68 Stat. 360; June 21, 1955, ch. 169, § 7, 69 Stat. 166; Aug. 20, 1958, Pub. L. 85–686, § 8(a), 72 Stat. 678, related to restriction on decrease of duties, impairment of national security, investigations and reports, and reports to Congress. See section 1801 et seq. of this title.