The text of subsec. (a) of section 2304 of this title, which was transferred to this section, redesignated as subsecs. (a) and (b), and amended by Pub. L. 116–283, § 1811(c)(2), was based on Pub. L. 98–369, div. B, title VII, § 2723(a)(1)(C), July 18, 1984, 98 Stat. 1187; Pub. L. 99–145, title XIII, § 1303(a)(13), Nov. 8, 1985, 99 Stat. 739; Pub. L. 100–26, § 7(d)(3)(A), Apr. 21, 1987, 101 Stat. 281; Pub. L. 103–355, title I, § 1001(1), Oct. 13, 1994, 108 Stat. 3249.

The text of subsec. (j) of section 2304 of this title, which was transferred to this section, redesignated as subsec. (c), and amended by Pub. L. 116–283, § 1811(c)(3), was based on Pub. L. 104–106, div. D, title XLI, § 4101(a)(2), Feb. 10, 1996, 110 Stat. 642.

The text of subsec. (h) of section 2304 of this title, which was transferred to this section, redesignated as subsec. (d), and amended by Pub. L. 116–283, § 1811(c)(4), was based on act Aug. 10, 1956, ch. 1041, 70A Stat. 128; Pub. L. 96–513, title V, § 511(76), Dec. 12, 1980, 94 Stat. 2926; Pub. L. 97–295, § 1(24)(B), Oct. 12, 1982, 96 Stat. 1291; Pub. L. 98–369, div. B, title VII, §§ 2723(a)(1)(B), 2727(b), July 18, 1984, 98 Stat. 1187, 1194; Pub. L. 98–577, title V, § 504(b)(2), Oct. 30, 1984, 98 Stat. 3086; Pub. L. 104–106, div. D, title XLIII, § 4321(b)(5), Feb. 10, 1996, 110 Stat. 672; Pub. L. 107–217, § 3(b)(3), Aug. 21, 2002, 116 Stat. 1295; Pub. L. 111–350, § 5(b)(12)(E), Jan. 4, 2011, 124 Stat. 3843.

The text of subsec. (k) of section 2304 of this title, which was transferred to this section, redesignated as subsec. (e), and amended by Pub. L. 116–283, § 1811(c)(5), was based on Pub. L. 103–355, title VII, § 7203(a)(1)(B), Oct. 13, 1994, 108 Stat. 3379; Pub. L. 104–106, div. D, title XLI, § 4101(a)(1), Feb. 10, 1996, 110 Stat. 642.

A prior section 3201 was renumbered section 7101 of this title.

Another prior section 3201, act Aug. 10, 1956, ch. 1041, 70A Stat. 172; Pub. L. 85–861, § 1(62), Sept. 2, 1958, 72 Stat. 1462; Pub. L. 88–647, title III, § 301(4), Oct. 13, 1964, 78 Stat. 1071, prescribed the authorized strength of the Army in members on active duty, exclusive of certain categories, and the authorized daily average strength of the Army in members on active duty during the fiscal year, exclusive of certain categories, prior to repeal by Pub. L. 96–513, title II, § 202, title VII, § 701, Dec. 12, 1980, 94 Stat. 2878, 2955, effective Sept. 15, 1981.

A prior section 3202, act Aug. 10, 1956, ch. 1041, 70A Stat. 172; Pub. L. 85–861, § 1(63), Sept. 2, 1958, 72 Stat. 1463; Pub. L. 90–228, § 1(1), (2), Dec. 28, 1967, 81 Stat. 745; Pub. L. 96–513, title II, § 203(a), Dec. 12, 1980, 94 Stat. 2878, related to authorized strength of Army in general officers on active duty, prior to repeal by Pub. L. 101–510, div. A, title IV, § 403(b)(1)(A), Nov. 5, 1990, 104 Stat. 1545.

2021—Subsec. (a). Pub. L. 116–283, § 1811(c)(2)(B), (C), as amended by Pub. L. 117–81, § 1701(b)(4)(A)(i), inserted heading, struck out par. (1) designation at beginning and substituted “Except as provided in sections 3203, 3204(a), and 3205 of this title” for “Except as provided in subsections (b), (c), and (g)” in introductory provisions, and redesignated subpars. (A) and (B) as pars. (1) and (2), respectively. Par. (2) subsequently redesignated subsec. (b).

Pub. L. 116–283, § 1811(c)(2), transferred subsec. (a) of section 2304 of this title to this section.

Subsec. (a)(1). Pub. L. 116–283, § 1811(c)(2)(D), as amended by Pub. L. 117–81, § 1701(b)(4)(A)(ii), substituted “this section and sections 3069, 3203, 3204, 3205, 3403, 3405, 3406, 3901, 4501, and 4502 of this title” for “this chapter”.

Subsec. (b). Pub. L. 116–283, § 1811(c)(2)(A), (E), redesignated subsec. (a)(2) as (b) and inserted heading, redesignated subpar. (A) and cls. (i) to (iv) as par. (1) and subpars. (A) to (D), respectively, and redesignated subpar. (B) as par. (2) and substituted “paragraph (1)” for “clause (A)”.

Subsec. (c). Pub. L. 116–283, § 1811(c)(3), redesignated subsec. (j) of section 2304 of this title as subsec. (c) of this section and inserted heading.

Subsec. (d). Pub. L. 116–283, § 1811(c)(4), redesignated subsec. (h) of section 2304 of this title as subsec. (d) of this section and inserted heading.

Subsec. (e). Pub. L. 116–283, § 1811(c)(5), redesignated subsec. (k) of section 2304 of this title as subsec. (e) of this section, inserted subsec. and par. headings, switched order and designations of pars. (2) and (3), realigned margins of pars. (2) to (4), and substituted “section 3063” for “section 2303(a)” in pars. (1) and (4).

Amendment by 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 Effective Date note below.

Section and 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 an Effective Date of 2021 Amendment note preceding section 3001 of this title.

Pub. L. 110–181, div. A, title VIII, § 892, Jan. 28, 2008, 122 Stat. 270, which required the Secretary of Defense to ensure, consistent with the provisions of former section 2304 of this title, full and open competition for procurement of small arms supplied to Iraq and Afghanistan, was repealed by Pub. L. 118–159, div. A, title VIII, § 811(a)(1)(B), Dec. 23, 2024, 138 Stat. 1979.

Pub. L. 108–136, div. A, title VIII, § 805(a), Nov. 24, 2003, 117 Stat. 1542, which required the Department of Defense to fully comply with former chapter 137 of this title for contracts awarded competitively for reconstruction activities of the Iraqi oil industry, was repealed by Pub. L. 118–159, div. A, title VIII, § 811(a)(1)(A), Dec. 23, 2024, 138 Stat. 1979.