The Small Business Act, referred to in subsec. (a)(3), is Pub. L. 85–536, § 2(1 et seq.), July 18, 1958, 72 Stat. 384, which is classified generally to chapter 14A (§ 631 et seq.) of Title 15, Commerce and Trade. For complete classification of this Act to the Code, see Short Title note set out under section 631 of Title 15 and Tables.

Section 805(c) of the National Defense Authorization Act for Fiscal Year 2006, referred to in subsec. (c), is section 805(c) of Pub. L. 109–163, div. A, title VIII, Jan. 6, 2006, 119 Stat. 3372, which is not classified to the Code.

2025—Subsec. (c). Pub. L. 119–60 added subsec. (c).

2018—Pub. L. 115–282, § 108(b), renumbered section 564 of this title as this section.

Subsec. (c). Pub. L. 115–282, § 304(d), struck out subsec. (c) which related to acquisition of unmanned aerial systems.

2016—Subsec. (c). Pub. L. 114–328 added subsec. (c).

2012—Pub. L. 112–213 amended section generally. Prior to amendment, section related to prohibition on use of lead systems integrators and provided for certain exceptions to such prohibition.

2010—Pub. L. 111–330 amended Pub. L. 111–281, § 402(a), which enacted this section.

Pub. L. 111–330, § 1, Dec. 22, 2010, 124 Stat. 3569, provided that the amendment made by section 1(4) is effective with the enactment of Pub. L. 111–281.