Section, added Pub. L. 92–178, title VII, § 702(a), Dec. 10, 1971, 85 Stat. 561; amended Pub. L. 93–625, §§ 11(d), 12 (b), Jan. 3, 1975, 88 Stat. 2120; Pub. L. 94–455, title XIX, § 1906(b)(13)(A), Oct. 4, 1976, 90 Stat. 1834, related to contributions to candidates for public office. A prior section 218 was renumbered section 224 of this title.