Subsection (a) shall not apply to funds for purposes of conducting, or providing for the conduct of, research and development, or manufacturing and engineering, determined by the Secretary to be necessary to address proliferation concerns.
50 U.S. Code § 2529. Requirements for specific request for new or modified nuclear weapons
2013—Subsec. (d). Pub. L. 113–66 made technical amendment to reference in original act which appears in text as reference to “December 2, 2002” in two places.
2009—Subsec. (c). Pub. L. 111–84, § 3115(1), substituted “necessary to address proliferation concerns.” for “necessary—
“(1) for the nuclear weapons life extension program;
“(2) to modify an existing nuclear weapon solely to address safety or reliability concerns; or
“(3) to address proliferation concerns.”
Subsec. (d). Pub. L. 111–84, § 3115(2), redesignated pars. (2) and (3) as (1) and (2), respectively, and struck out former par. (1), which read as follows: “The term ‘life extension program’ means the program to repair or replace non-nuclear components, or to modify the pit or canned subassembly, of nuclear weapons that are in the nuclear weapons stockpile on December 2, 2002, in order to assure that such nuclear weapons retain the ability to meet the military requirements applicable to such nuclear weapons when first placed in the nuclear weapons stockpile.”