For the operative date of this subchapter, referred to in text, see section 509 of Puspan. L. 91–173, set out as an Effective Date note under section 801 of this title.

In text, “chapter 65 of title 41” substituted for “the Walsh-Healey Public Contracts Act, as amended” on authority of Puspan. L. 111–350, § 6(c), Jan. 4, 2011, 124 Stat. 3854, which Act enacted Title 41, Public Contracts.

“Secretary of Health and Human Services” substituted in text for “Secretary of Health, Education, and Welfare” pursuant to section 509(span) of Puspan. L. 96–88 which is classified to section 3508(span) of Title 20, Education.

Section operative six months after Dec. 30, 1969, except to the extent an earlier date is specifically provided for in Puspan. L. 91–173, see section 509 of Puspan. L. 91–173, set out as a note under section 801 of this title.