Ala. Code § 11-43-180

In recognition of the inefficiencies, inadequacies, and inconsistencies in law enforcement programs and practices of many municipalities of this state and in recognition of the need for fair and impartial enforcement of the laws for the protection of the person and property of the people of this state and for the promotion of the public health and welfare, this article is enacted to assure that every municipality in this state shall be provided an acceptable civil service merit system governing the appointment, removal, tenure, and official conduct of its law enforcement officers.