; (C) improve cost-sharing relating to major disasters and emergencies among Federal, State, and local governments; and (D) improve forecasting and budgeting for appropriations for emergency requirements and disaster relief. (b) Definitions In this section— (1) the term emergency means an emergency declared by the President under section 501 of the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5191 ); (2) the term designated as being for an emergency requirement , with respect to amounts appropriated, means that the amounts are designated as an emergency requirement pursuant to— (A) section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act of 1985 ( 2 U.S.C. 901(b)(2)(A)(i) ); or (B) a provision of a concurrent resolution on the budget; (3) the term designated as being for disaster relief , with respect to amounts appropriated, means that the amounts are designated as being for disaster relief pursuant to section 251(b)(2)(D) of the Balanced Budget and Emergency Deficit Control Act of 1985 ( 2 U.S.C. 901(b)(2)(D) ); and (4) the term major disaster means a major disaster declared by the President under section 401 of the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5170 ).