1. Definitions (a) Hurricane Harvey disaster zone and disaster area For purposes of this Act— (1) Hurricane Harvey disaster zone The term Hurricane Harvey disaster zone means that portion of the Hurricane Harvey disaster area determined by the President to warrant individual or individual and public assistance from the Federal Government under the Robert T. Stafford Disaster Relief and Emergency Assistance Act by reason of Hurricane Harvey. (2) Hurricane Harvey disaster area The term Hurricane Harvey disaster area means an area with respect to which a major disaster has been declared by the President before September 21, 2017, under section 401 of such Act by reason of Hurricane Harvey. (b) Hurricane Irma disaster zone and disaster area For purposes of this Act— (1) Hurricane Irma disaster zone The term Hurricane Irma disaster zone means that portion of the Hurricane Irma disaster area determined by the President to warrant individual or individual and public assistance from the Federal Government under such Act by reason of Hurricane Irma. (2) Hurricane Irma disaster area The term Hurricane Irma disaster area means an area with respect to which a major disaster has been declared by the President before September 21, 2017, under section 401 of such Act by reason of Hurricane Irma. (c) Hurricane Maria disaster zone and disaster area For purposes of this Act— (1) Hurricane Maria disaster zone The term Hurricane Maria disaster zone means that portion of the Hurricane Maria disaster area determined by the President to warrant individual or individual and public assistance from the Federal Government under such Act by reason of Hurricane Maria. (2) Hurricane Maria disaster area The term Hurricane Maria disaster area means an area with respect to which a major disaster has been declared by the President before September 21, 2017, under section 401 of such Act by reason of Hurricane Maria. 2. Special disaster-related rules for use of retirement funds (a) Tax-Favored withdrawals from retirement plans (1) In general