2020—Subsec. (b). Pub. L. 116–260, § 2005(1), amended subsec. (b) generally. Prior to amendment, text read as follows: “One of the budget plans submitted under subsection (a) shall assume constant annual funding for 10 years at the appropriated level for the civilian nuclear energy research and development of the Department for fiscal year 2016.”

Subsec. (d)(4). Pub. L. 116–260, § 2005(2)–(4), added par. (4).

Subsec. (e). Pub. L. 116–260, § 2005(5), added subsec. (e).