Ala. Code § 45-32-90

For the purpose of promoting industry and trade and to assist the county commission or other like governing bodies in Greene County in their pursuits therefor, there is hereby created an Industrial Development Authority for Greene County which shall be composed of seven members. All members of the authority shall be residents and qualified electors of Greene County. The seven members of the authority shall be appointed by the Greene County state legislative delegation. The members of the authority shall serve for terms of four years. Successors to members of the authority shall be appointed in the same manner as the original members are appointed and all members shall serve until their successors are so appointed. Vacancies on the authority shall be filled in the same manner as the original members are appointed, but any person appointed to fill a vacancy shall serve only for the unexpired portion of the term.