MODIFICATION OF REPORTING REQUIREMENTS FOR URANIUM CAPABILITIES REPLACEMENT PROJECT.

SEC. 3123. MODIFICATION OF REPORTING REQUIREMENTS FOR URANIUM CAPABILITIES REPLACEMENT PROJECT. Section 3123 of the National Defense Authorization Act for Fiscal Year 2013 (Public Law 112-239; 126 Stat. 2177) is amended by striking subsection (g) and inserting the following new subsection: “(g) Program Accountability Matrices and GAO Assessments.— “(1) Requirement.—Concurrent with the submission of the budget of the President (as submitted to Congress pursuant to section 1105(a) of title 31, United States Code) for fiscal year 2025 and each fiscal year thereafter until the termination date specified in paragraph (4), the Administrator for Nuclear Security shall submit to the congressional defense committees and the Comptroller General of the United States the matrices described in paragraph (2) relating to the project referred to in subsection (a). “(2) Matrices described.—The matrices described in this subsection are the following: “(A) Technology maturity matrix.—A matrix that identifies key milestones, development events, and specific performance goals for the development of critical technologies relating to the project referred to in subsection (a). “(B) Scope, cost, and schedule matrix.—A matrix that identifies— “(i) causes of cost growth and schedule slippage, if any, for the project referred to in subsection (a), including challenges relating to construction, procurement, and supply chain issues; “(ii) the impact of such cost and schedule problems on current and planned weapons modernization efforts; and “(iii) the scope, cost, and schedule of activities funded by the uranium modernization program for the period of fiscal years 2024 through 2028 as set forth in the corresponding future-years nuclear security program submitted to Congress pursuant to section 2453 of title 10, United States Code. “(3) GAO assessment. Not later than 180 days after receiving the matrices described in paragraph (2), the Comptroller General of the United States shall— “(A) assess the progress made on the project referred to in subsection (a); and “(B) provide to the congressional defense committees a briefing on the results of that assessment. “(4) Termination.—The requirements of this subsection shall terminate on the date that is one year after the date on which the project referred to in subsection (a) is completed.” .