and the Secretary of Housing and Urban Development. (2) Major disaster 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 ), under which assistance is authorized under section 408 of such Act ( 42 U.S.C. 5174 ), or section 501 of such Act ( 42 U.S.C. 5191 ).