Ala. Const. art. IV, § 46.01

The legislature may provide for the continuity of the legislature of the state of Alabama and the representation therein of each of the political subdivisions of the state in the event of an attack by an enemy of the United States, by providing for the selection of emergency interim legislators who shall be designated for temporary succession to the powers and duties but not the office of a legislator in case of such emergency. Such emergency interim legislator may serve only when the legislator in whose stead he is authorized to serve has died or is unable temporarily for physical, mental or legal reasons to exercise the powers and discharge the duties of his office, and until such time as the elected legislator is able to resume the duties of his office, or in case of a vacancy in such office a successor has been elected in accordance with section 46 of this Constitution.