Notwithstanding any other provision of sections 1841 to 1846 of this title, the foregoing provisions of such sections do not apply to any employee described in section 1841 of this title whose pay is fixed and adjusted-
(1) in accordance with chapter 51, and subchapter III of chapter 53, of title 5, relating to classification and General Schedule pay rates;
(2) in accordance with subchapter IV of chapter 53 of title 5, relating to prevailing rate pay systems;
(3) at per hour or per diem rates in accordance with section 3 of the Legislative Pay Act of 1929, as amended (
(4) in accordance with prevailing rates under authority of sections 2042 to 2047 of this title, or section 208 of the First Supplemental Civil Functions Appropriation Act, 1941 (
(
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 The Classification Act of 1923, as amended, was repealed and superseded by the Classification Act of 1949, Oct. 28, 1949, ch. 782,
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,
Section was classified to section 166b–1f of former Title 40, prior to the enactment of Title 40, Public Buildings, Property, and Works, by
Section effective immediately prior to noon on Jan. 3, 1971, see section 601(1) of