; and (B) $77,164,000, in addition to amounts otherwise made available for such purpose, is for pre-disaster mitigation grants under section 203 of the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5133(e) , notwithstanding subsections (f), (g), and (l) of that section ( 42 U.S.C. 5133(f) , (g), (l)). (13) $310,210,000 for the sustainment of current operations for training, exercises, technical assistance, and other programs. DISASTER RELIEF FUND For necessary expenses in carrying out the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5121 et seq. ), $20,261,000,000, to remain available until expended: Provided, That such amount shall be for major disasters declared pursuant to the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5121 et seq. ) and is designated by the Congress as being for disaster relief pursuant to section 251(b)(2)(D) of the Balanced Budget and Emergency Deficit Control Act of 1985. NATIONAL FLOOD INSURANCE FUND For activities under the National Flood Insurance Act of 1968 ( 42 U.S.C. 4001 et seq. ), the Flood Disaster Protection Act of 1973 ( 42 U.S.C. 4001 et seq. ), the Biggert-Waters Flood Insurance Reform Act of 2012 ( Public Law 112–141 , 126 Stat. 916), and the Homeowner Flood Insurance Affordability Act of 2014 ( Public Law 113–89 ; 128 Stat. 1020), $239,983,000, to remain available until September 30, 2025, which shall be derived from offsetting amounts collected under section 1308(d) of the National Flood Insurance Act of 1968 ( 42 U.S.C. 4015(d) ); of which $18,917,000 shall be available for mission support associated with flood management