2021—Subsec. (b)(1)(C). Pub. L. 117–58 added subpar. (C).

2020—Subsec. (b)(1). Pub. L. 116–260 amended par. (1) generally. Prior to amendment, par. (1) defined the term “advanced nuclear reactor”.

2018—Pub. L. 115–248 amended section generally. Prior to amendment, section related to civilian nuclear energy research programs and authorizations of appropriations to carry out such programs.

For provisions relating to rates of wages to be paid to laborers and mechanics on projects for construction, alteration, or repair work funded under div. D or an amendment by div. D of Pub. L. 117–58, including authority of Secretary of Labor, see section 18851 of this title.