Ala. Code § 17-3-4: Filling of Vacancies.

If one or more of the persons appointed on such board of registrars shall refuse, neglect, or be unable to qualify to serve, or if a vacancy or vacancies occur in the membership of the board of registrars, from any cause, the Governor, Auditor, and Commissioner of Agriculture and Industries, or a majority of them acting as a state board of appointment, shall make other appointments to fill such vacancies.