Ala. Code § 36-8-5

Nothing contained in this chapter shall be deemed to extend the tenure of any such duly elected or appointed official beyond the time for which he has been elected or appointed nor entitle him to any compensation during the time he is absent in the service of the United States and until he resumes the duties of his office, nor shall any such official be clothed with any of the powers or authority of his office while absent in the service of the United States.