In subsec. (a), “section 6101 of title 41” substituted for “section 3709 of the Revised Statutes, as amended (41 U.S.C. 5)” on authority of Pub. 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(b) of Pub. L. 96–88 which is classified to section 3508(b) of Title 20, Education.