On September 30, 1997, or upon occurrence of a vacancy in either the office of tax assessor or tax collector, there shall be a county revenue commissioner in Autauga County. A commissioner shall be elected at the general election in 1996 and at the general election every six years thereafter, who shall serve for a term of six years beginning on the first day of October next after election, and until his or her successor is elected and has qualified.
Ala. Code § 45-1-241 (1975)