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.), $14,549,684,000, to remain available until expended: Provided , That of the amount provided under this heading, $14,075,000,000 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: Provided further , That $257,000,000 of the amount provided under this heading shall be derived from unobligated balances from prior year appropriations available under this heading: Provided further , That none of the amounts derived from unobligated balances in the previous proviso shall be from amounts that were designated by the Congress as being for an emergency requirement pursuant to a Concurrent Resolution on the budget or section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act of 1985 or 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