1. Modification and clarification of construction authority in the event of a declaration of war or national emergency (a) Limitation on amount of funds available for national emergency Section 2808 of title 10, United States Code, is amended— (1) by redesignating subsection (c) as subsection (e); and (2) by inserting after subsection (b) the following new subsection (c): (c) Limitation on amount of funds available for national emergency In the event of a declaration by the President of a national emergency in which the construction authority described in subsection (a) is used, the total cost of all military construction projects undertaken using that authority during the national emergency may not exceed $250,000,000. . (b) Waiver of other provisions of law Section 2808 of title 10, United States Code, is amended by inserting after subsection (c), as added by subsection (a), the following new subsection: (d) Waiver of other provisions of law in event of national emergency In the event of a declaration by the President of a national emergency in which the construction authority described in subsection (a) is used, the authority provided by such subsection to waive or disregard another provision of law that would otherwise apply to a military construction project authorized by this section may be used only if— (1) such other provision of law does not provide a means by which compliance with the requirements of the law may be waived, modified, or expedited