10 U.S.C. § 6287
(a) Post-critical Decision 2 Changes.— After the date on which a plant project specifically authorized by law and carried out under Department of Energy Order 413.3B (relating to program management and project management for the acquisition of capital assets), or a successor order, achieves critical decision 2, the Administrator may not change the requirements for such project if such change increases the cost of such project by more than the lesser of $5,000,000 or 15 percent, unless—
(1) the Administrator submits to the congressional defense committees—
(B) a cost-benefit and risk analysis of such proposed change, including with respect to—
(Added Pub. L. 119–60, div. C, title XXXI, § 3111(a), , 139 Stat. 1435.)
Provisions similar to those in this section were contained in section 2755 of Title 50, War and National Defense, prior to repeal by Pub. L. 119–60, § 3111(b)(1).