Revised sectionSource (U.S. Code)Source (Statutes at Large) 4540(a)5:221 (1st sentence, less last 15 words).Aug. 7, 1939, ch. 511, § 2, 53 Stat. 1240. 4540(b)5:221 (less 1st sentence). 4540(c)5:221 (last 15 words of 1st sentence). In subsection (a), the words “and providing that in the opinion” are omitted as covered by the words “whenever he considers”. The words “needed for” are substituted for the words “required for the accomplishment of”. In subsection (c), reference is made in substance to the Classification Act of 1949, instead of the Classification Act of 1923 referred to in the source statute, since
section 1106(a) of the Classification Act of 1949, 63 Stat. 972, provides that all references in other acts to the Classification Act of 1923 should be considered to refer to the Classification Act of 1949.
2023—Subsec. (b). Pub. L. 118–31 substituted “10 percent” for “6 percent”. 2018—Pub. L. 115–232 renumbered
section 4540 of this title as this section. 1980—Subsec. (c). Pub. L. 96–513 substituted “and 7204, chapter 51, and subchapters III, IV, and VI of chapter 53 of title 5” for “5101–5115, 5331–5338, 5341, 5342, and 7204 of title 5 and subchapter VI of chapter 53 of title 5”. 1978—Subsec. (c). Pub. L. 95–454, § 801(a)(3)(I), inserted reference to subchapter VI of chapter 53 of title 5. Pub. L. 95–454, § 703(c)(3), substituted “7204” for “7154”. 1966—Subsec. (c). Pub. L. 89–718 substituted “
section 305, 3324, 5101–5115, 5331–5338, 5341, 5342, and 7154 of title 5” for “
section 1071–1153 of title 5”.
of 2018 AmendmentAmendment by Pub. L. 115–232 effective Feb. 1, 2019, with provision for the coordination of
and special rule for certain redesignations, see
section 800 of Pub. L. 115–232, set out as a note preceding
section 3001 of this title.
of 1980 AmendmentAmendment by Pub. L. 96–513 effective Dec. 12, 1980, see
section 701(b)(3) of Pub. L. 96–513, set out as a note under
section 101 of this title.
of 1978 AmendmentAmendment by
section 703(c)(3) of Pub. L. 95–454 effective 90 days after Oct. 13, 1978, see
section 907 of Pub. L. 95–454, set out as a note under
section 1101 of Title 5, Government Organization and Employees. Amendment by
section 801(a)(3)(I) of Pub. L. 95–454 effective on first day of first applicable pay period beginning on or after 90th day after Oct. 13, 1978, see
section 801(a)(4) of Pub. L. 95–454, set out as an