1. Short title This Act may be cited as the Disaster Management Costs Modernization Act . 2. Use of excess funds for management costs (a) In general Section 324 of the Robert T. Stafford Disaster Relief and Emergency Assistance Act (42 U.S.C. 5165b) is amended— (1) in subsection (b)(2)— (A) by redesignating subparagraphs (A) and (B) as clauses (i) and (ii), respectively, and adjusting the margins accordingly; and (B) in the matter preceding clause (i), as so redesignated, by striking provide the following percentage rates and inserting “provide— (A) excess funds for management costs as described in subsection (c); and (B) the following percentage rates ; (2) by redesignating subsection (c) as subsection (d); and (3) by inserting after subsection (b) the following: (c) Use of excess funds for management costs (1) Definition In this subsection, the term excess funds for management costs means the difference between— (A) the amount of the applicable specific management costs authorized under subsection (b)(1) and subsection (b)(2)(B); and (B) as of the date on which the grant award is closed, the amount of funding for management costs activities expended by the grantee or subgrantee receiving the financial assistance for costs described in subparagraph (A). (2) Availability of excess funds for management costs The President may make available to a grantee or subgrantee receiving financial assistance under section 403, 404, 406, 407, or 502 any excess funds for management costs. (3) Use of funds Excess funds for management costs made available to a grantee or subgrantee under paragraph (2) may be used for— (A) activities associated with building capacity to prepare for, recover from, or mitigate the impacts of a major disaster or emergency declared under section 401 or 501, respectively; and (B) management costs associated with any— (i) major disaster; (ii) emergency; (iii) disaster preparedness measure