O.C.G.A. § 38-2-230 (2019)

(a) The qualifications for enlistment and reenlistment, the period of enlistment, reenlistment, and voluntary extension of enlistment, the period of service, the form of oath to be taken, and the manner and form of transfer and discharge of enlisted personnel of the forces of the organized militia shall be those prescribed by applicable laws of the United States and by this chapter and by regulations issued thereunder.

(b) Any person who has been discharged under other than honorable conditions from the organized militia of this or any other state or from any component of the armed forces of the United States and who has not been restored to duty shall not be eligible for enlistment in any force of the organized militia.

(c)(1) The Governor is authorized to extend the period of any enlistment, reenlistment, voluntary extension of enlistment, and the period of service of enlisted personnel of the organized militia for, but not exceeding the duration of, an emergency declared by him.

(2) Whenever the period of enlistment, reenlistment, voluntary extension of enlistment, and the period of service of enlisted personnel of the reserve components of the armed forces of the United States is extended, the Governor shall extend the period of any enlistment, reenlistment, voluntary extension of enlistment, and the period of service of enlisted personnel in the corresponding force of the organized militia for the same period.