Section 3 of the Legislative Pay Act of 1929, referred to in par. (3), amended section 2 of the Classification Act of 1923, which was classified to section 662 of former Title 5, Executive Departments and Government Officers and Employees. The Classification Act of 1923 was repealed and superseded by the Classification Act of 1949, Oct. 28, 1949, ch. 782, 63 Stat. 954, 972. The amendment of section 3 of the Legislative Pay Act of 1929 made by act Aug. 1, 1941, § 6, 55 Stat. 615, was not repealed by the Classification Act of 1949. See section 1202(7), 63 Stat. 973.

Section 208 of the First Supplemental Civil Functions Appropriation Act, 1941, referred to in par. (4), means section 208 of act Oct. 9, 1940, ch. 780, title II, 54 Stat. 1056, which was classified to section 174k of former Title 40, Public Buildings, Property, and Works, prior to repeal by Pub. L. 104–186, title II, § 221(3)(B), Aug. 20, 1996, 110 Stat. 1748.

Section was classified to section 166b–1f of former Title 40, prior to the enactment of Title 40, Public Buildings, Property, and Works, by Pub. L. 107–217, § 1, Aug. 21, 2002, 116 Stat. 1062.

Section effective immediately prior to noon on Jan. 3, 1971, see section 601(1) of Pub. L. 91–510, set out as an Effective Date of 1970 Amendment note under section 4301 of this title.