Section, acts July 1, 1946, ch. 530, 60 Stat. 392; Aug. 2, 1946, ch. 753, title I, Sec. 102, 60 Stat. 814, authorized the payment of charges for telegrams by Senators. See section 58 of this title

Section 506(k), formerly Sec. 506(h), of Pub. L. 92-607, renumbered Sec. 506(i) by Pub. L. 95-391, title I, Sec. 108(a), Sept. 30, 1978, 92 Stat. 773, renumbered Sec. 506(j) by Pub. L. 96-304, title I, Sec. 101, July 8, 1980, 94 Stat. 889, and renumbered Sec. 506(k) by Pub. L. 97-276, Sec. 101(e), Oct. 2, 1982, 96 Stat. 1189, provided that the repeal is effective Jan. 1, 1973