Section 4601, acts Aug. 16, 1954, ch. 736, 68A Stat. 548; Sept. 2, 1958, Pub. L. 85–859, title I, § 119(b)(4), 72 Stat. 1286, related to applicability of certain tariff provisions. Sections 4602, 4603, act Aug. 16, 1954, ch. 736, 68A Stat. 548, related to contravention of trade agreements by certain taxes.