If, at any time during the construction of any minor construction project authorized by a DOE national security authorization, the estimated cost of the project is revised and the revised cost of the project exceeds the minor construction threshold, the Secretary shall immediately submit to the congressional defense committees a report explaining the reasons for the cost variation.
50 U.S. Code § 2743. Minor construction projects
(b) Annual report
(c) Cost variation reports to congressional committees
(d) Minor construction project defined
(Pub. L. 107–314, div. D, title XLVII, § 4703, formerly div. C, title XXXVI, § 3622, Dec. 2, 2002, 116 Stat. 2757; renumbered div. D, title XLVII, § 4703, by Pub. L. 108–136, div. C, title XXXI, § 3141(j)(2)(A)–(C), Nov. 24, 2003, 117 Stat. 1781.)
“Notwithstanding section 4703 of such Act [probably means section 4703 of Pub. L. 107–314] (50 U.S.C. 2743), in carrying out construction projects, the Secretary of Energy may not start a general plant project with a total estimated cost of more than $5,000,000 until—
a period of 15 days has elapsed after the date on which such notification is received.”