2 U.S.C. § 46d–4
Section, Pub. L. 90–57, , 81 Stat. 130, authorized payment from contingent fund of Senate of charges for long distance telephone calls by Senators. See section 6314 of this title.
Pub. L. 92–607, ch. V, § 506(k), formerly § 506(h), , 86 Stat. 1507, renumbered § 506(i) by Pub. L. 95–391, title I, § 108(a), , 92 Stat. 773, renumbered § 506(j) by Pub. L. 96–304 title I, § 101, , 94 Stat. 889, and renumbered § 506(k) by Pub. L. 97–276, § 101(e), , 96 Stat. 1189, provided that the repeal is effective .