Ala. Code § 41-4-6: Oath of Office and Full-Time Service of Officers and Chiefs of Divisions.

Before entering upon the discharge of their duties, the Comptroller, the Budget Officer, the Purchasing Agent, the chief of the division of service, the chief of the division of local finance, and the chief of any other division established by the Director of Finance shall take the constitutional oath of office. Each of such officers shall devote his or her full time to his or her official duties and shall hold no other lucrative position while serving as such.