Incorporated municipalities are authorized and permitted to employ as policemen, on a part-time basis, deputy sheriffs of a county in which the municipality is located. The governing body of the municipality employing such deputy sheriffs shall fix by ordinance the duties and salaries of such persons. In addition, the municipality may require that any person or persons so employed be residents of the employing municipality.
Ala. Code § 11-43-16 (1975)