Section 43b, Pub. L. 85–570, July 31, 1958, 72 Stat. 443; Pub. L. 86–176, Aug. 21, 1959, 73 Stat. 401; Pub. L. 88–70, July 19, 1963, 77 Stat. 82; Pub. L. 89–90, July 27, 1965, 79 Stat. 269; Pub. L. 89–147, § 1, Aug. 28, 1965, 79 Stat. 583; Pub. L. 89–545, Aug. 27, 1966, 80 Stat. 358; Pub. L. 90–86, § 1, Sept. 17, 1967, 81 Stat. 226; Pub. L. 91–145, Dec. 12, 1969, 83 Stat. 343; Pub. L. 92–51, July 9, 1971, 85 Stat. 128; Pub. L. 92–607, ch. V, §§ 502, 506(k)(2), formerly § 506(h)(2), Oct. 31, 1972, 86 Stat. 1504, 1508, renumbered § 506(i)(2), Pub. L. 95–391, title I, § 108(a), Sept. 30, 1978, 92 Stat. 773, renumbered § 506(j)(2), Pub. L. 96–304, title I, § 101, July 8, 1980, 94 Stat. 889, renumbered § 506(k)(2), Pub. L. 97–276, § 101(e), Oct. 2, 1982, 96 Stat. 1189, provided for reimbursement of House Members for additional transportation expenses.

Section 43b-1, Pub. L. 89–147, § 2, Aug. 28, 1965, 79 Stat. 583; Pub. L. 90–86, § 2, Sept. 17, 1967, 81 Stat. 226, authorized election by House Members of lump sum transportation payments in lieu of reimbursement of transportation expenses.