Whenever a vacancy shall have occurred in any grade of warrant officer in the Army National Guard of South Carolina it shall be filled by the appointment or promotion of a person recommended by the immediate commander, and approved by each commander in the chain of command and the Adjutant General. The applicant must be qualified in accordance with the requirements of the Department of the Army, the National Guard Bureau and such other requirements as may be imposed by the Adjutant General of South Carolina.
S.C. Code § 25-1-930