Ala. Code § 45-58-111.20: Purging of Voter Registered Voter Lists.

The Board of Registrars of Shelby County is directed to purge all lists of the qualified electors in the county to the end that the names of all persons who are deceased or nonresidents of the county or have otherwise become disqualified from voting in Shelby County, shall be removed from the lists, and that the name of each qualified elector shall appear only on the list of qualified electors for the beat in which he or she resides.