“Herein”, referred to in subsec. (a), refers to act Mar. 3, 1901, ch. 872, which is classified generally to this chapter.

2007—Pub. L. 110–69 designated existing provisions as subsec. (a), inserted heading, and added subsec. (b).

1992—Pub. L. 102–245 substituted “herein.” for “herein: Provided, That no improvement shall be made nor shall any building be constructed under this authority at a cost in excess of $250,000 unless specific provision is made therefor in the appropriation concerned.”

1988—Pub. L. 100–418 substituted “Institute” for “National Bureau of Standards” wherever appearing.

1980—Pub. L. 96–461 substituted “$250,000” for $75,000”.

1972—Pub. L. 92–317 substituted “$75,000” for “$40,000”.

Amendment by Pub. L. 96–461 effective Oct. 1, 1980, see section 11 of Pub. L. 96–461, set out as an Effective Date note under section 278g of this title.

Pub. L. 101–162, title I, § 104, Nov. 21, 1989, 103 Stat. 994, provided that: “Hereafter, the National Institute of Standards and Technology is authorized to accept contributions of funds, to remain available until expended, from any public or private source to construct a facility for cold neutron research on materials, notwithstanding the limitations contained in 15 U.S.C. 278d.”