Section, acts July 1, 1941, ch. 268,
55 Stat. 448; June 8, 1942, ch. 396,
56 Stat. 333; June 28, 1943, ch. 173, title I,
57 Stat. 222; June 26, 1944, ch. 277, title I,
58 Stat. 337; Dec. 20, 1944, ch. 617, § 2(a),
58 Stat. 832; June 13, 1945, ch. 189,
59 Stat. 241; July 1, 1946, ch. 530,
60 Stat. 390; Oct. 28, 1949, ch. 783, title I, § 101(c)(3),
63 Stat. 974; Oct. 24, 1951, ch. 554, § 2(c)(2),
65 Stat. 614; June 28, 1955, ch. 189, § 4(e)(3),
69 Stat. 177; May 19, 1956, ch. 313, Ch. XII,
70 Stat. 175; Sept. 1, 1959,
Pub. L. 86–213, § 1(a), (b),
73 Stat. 443; Aug. 10, 1961,
Pub. L. 87–130,
75 Stat. 323, authorized Senators and committee chairmen to change employees’ salaries, required certifications, and provided for designation of titles for positions. See section
61–1
(a), (d), (e) of this title.