2023—Subsec. (a)(1). Pub. L. 118–31, § 1103(1), substituted “bachelor’s or advanced degree” for “bachelor’s degree”.

Subsec. (c). Pub. L. 118–31, § 1103(2)(A), (B), (D), substituted “Fiscal Year” for “Calendar Year” in heading, “fiscal year” for “calendar year” in introductory provisions, and “the preceding fiscal year” for “the fiscal year last ending before the start of such calendar year” in pars. (1) to (3).

Subsec. (c)(1). Pub. L. 118–31, § 1103(2)(C), substituted “11 percent” for “6 percent”.

Subsecs. (f), (g). Pub. L. 118–31, § 1103(3), (4), redesignated subsec. (g) as (f) and struck out former subsec. (f) which related to direct hire authority at personnel demonstration laboratories for advanced degree holders.

2021—Pub. L. 116–283, § 1843(a), as added by Pub. L. 117–81, § 1701(u)(4)(A), renumbered section 2358a of this title as this section.

Pub. L. 116–283, § 1843(b)(2), which directed the renumbering of section 2358a of this title as section 4111 instead of this section, was repealed by Pub. L. 117–81, § 1701(u)(4)(A), effective as if included therein, so that such renumbering was no longer directed.

Subsec. (b)(1), (3). Pub. L. 117–81, § 215(d)(13)(A), substituted “designated by section 4121(b) of this title” for “designated by section 1105(a) of the National Defense Authorization Act for Fiscal Year 2010 (Public Law 111–84; 10 U.S.C. 2358 note)”.

Subsec. (d)(2)(A), (B). Pub. L. 117–81, § 215(d)(13)(B), substituted “pursuant to section 4121(a) of this title” for “pursuant to section 342(b) of the National Defense Authorization Act for Fiscal Year 1995 (Public Law 103–337; 10 U.S.C. 2358 note)”.

Subsec. (f). Pub. L. 117–81, § 212(a)(2), added subsec. (f). Former subsec. (f) redesignated (g).

Subsec. (g). Pub. L. 117–81, § 212(a)(1), redesignated subsec. (f) as (g).

Subsec. (g)(1). Pub. L. 116–283, § 1845(c)(5), which directed amendment of subsec. (f)(1) of this section, as transferred and redesignated by section 503(b)(2) of Pub. L. 116–283, by substituting “section 4173” for “section 196”, was executed to subsec. (g)(1) of this section, as transferred and redesignated by section 1843(a) of Pub. L. 116–283, to reflect the probable intent of Congress and the amendments by Pub. L. 117–81, §§ 212(a)(1), 1701(u)(4)(A). See notes above.

2018—Subsec. (a)(4). Pub. L. 115–232 substituted “of appointments” for “to permanent appointment” in heading and “to another temporary appointment or to a term or permanent appointment” for “to a permanent appointment” in text.

2017—Subsec. (d)(1). Pub. L. 115–91, § 1111(1)(A)(i), inserted “, each facility of the Major Range and Test Facility Base, and the Defense Test Resource Management Center” after “each STRL” in introductory provisions.

Subsec. (d)(1)(A). Pub. L. 115–91, § 1111(1)(A)(ii), which directed insertion of “, of such facility of the Major Range and Test Facility Base, or the Defense Test Resource Management Center”, was executed by making the insertion after “such STRL”, to reflect the probable intent of Congress.

Subsec. (d)(2). Pub. L. 115–91, § 1111(1)(B), designated existing provisions as subpar. (A), substituted “The laboratory positions” for “The positions”, and added subpar. (B).

Subsec. (f). Pub. L. 115–91, § 1111(2), added pars. (1) and (3) and redesignated former pars. (1) and (2) as (2) and (4), respectively.

Pub. L. 117–81, div. A, title II, § 215(e), Dec. 27, 2021, 135 Stat. 1595, provided that: “This section [enacting section 4121 of this title, amending this section and sections 4094 and 4124 of this title, amending provisions set out as notes preceding section 1580 of this title and under sections 2223a, 2358, 4001, and 4121 of this title, and repealing provisions set out as notes under section 2358 of this title] and the amendments and repeals made by this section shall take effect immediately after the effective date of the amendments made by title XVIII of the William M. (Mac) Thornberry National Defense Authorization Act for Fiscal Year 2021 (Public Law 116–283) [Jan. 1, 2022].”

Amendment by section 1701(u)(4)(A) of Pub. L. 117–81 applicable as if included in the enactment of title XVIII of Pub. L. 116–283 as enacted, see section 1701(a)(2) of Pub. L. 117–81, set out in a note preceding section 3001 of this title and note below.

Amendment by Pub. L. 116–283 effective Jan. 1, 2022, with additional provisions for delayed implementation and applicability of existing law, see section 1801(d) of Pub. L. 116–283, set out as a note preceding section 3001 of this title.