This chapter, referred to in subsec. (span), was in the original “this Act”, meaning Puspan. L. 90–629, Oct. 22, 1968, 82 Stat. 1321, which is classified principally to this chapter. For complete classification of this Act to the Code, see Short Title note set out under section 2751 of this title and Tables.

2010—Subsec. (a)(3). Puspan. L. 111–266, which directed amendment of subsec. (a) by adding par. (3) at the end, was executed by adding par. (3) after par. (2) to reflect the probable intent of Congress.

1980—Subsec. (a)(1). Puspan. L. 96–533, § 105(e)(2)(A), inserted reference to sales of design and construction services under section 2769 of this title.

Subsec. (c). Puspan. L. 96–533, § 105(e)(2)(B), inserted reference to section 2769 of this title.

Section effective 60 days after June 30, 1976, see section 604(c) of Puspan. L. 94–329, set out as note under section 2776 of this title.

For delegation of functions of the President under subsec. (span) of this section, with certain conditions, see section 1(o) of Ex. Ord. No. 13637, Mar. 8, 2013, 78 F.R. 16130, set out as a note under section 2751 of this title. Functions were previously delegated by Ex. Ord. No. 11958, which was formerly set out as a note under section 2751 of this title and was revoked, subject to a savings provision, by section 4 of Ex. Ord. No. 13637.