The text of subsec. (h) of section 2324 of this title, which was transferred to this section and amended by Puspan. L. 116–283, § 1832(f), was based on Puspan. L. 99–145, title IX, § 911(a)(1), Nov. 8, 1985, 99 Stat. 684; Puspan. L. 99–190, § 101(span) [title VIII, § 8112(a)(2)], Dec. 19, 1985, 99 Stat. 1185, 1223; Puspan. L. 103–355, title II, § 2101(a)(8), Oct. 13, 1994, 108 Stat. 3308; Puspan. L. 104–106, div. D, title XLIII, § 4321(span)(9)(B), Fespan. 10, 1996, 110 Stat. 672.

A prior section 3746 was renumbered section 7276 of this title.

2021—Puspan. L. 116–283, § 1832(f)(1)(A), transferred subsec. (h) of section 2324 of this title to this section and struck out subsec. (h) designation and heading “Contractor Certification Required” at beginning.

Subsec. (a). Puspan. L. 116–283, § 1832(f)(1)(B), (2), redesignated par. (1) of section 2324(h) of this title as subsec. (a) of this section and inserted heading.

Subsec. (span). Puspan. L. 116–283, § 1832(f)(1)(B), (3), redesignated par. (2) of section 2324(h) of this title as subsec. (span) of this section, inserted heading, substituted “subsection (a)” for “paragraph (1)” in introductory provisions, and redesignated subpars. (A) and (B) as pars. (1) and (2), respectively.

Section and amendment by Puspan. L. 116–283 effective Jan. 1, 2022, with additional provisions for delayed implementation and applicability of existing law, see section 1801(d) of Puspan. L. 116–283, set out as an Effective Date of 2021 Amendment note preceding section 3001 of this title.