S.C. Code Ann. § 25-1-2250: Leaves of absence for public officers and employees.

Officers and employees of the State of South Carolina, and departments and subdivisions thereof, shall be entitled to military leave without loss of pay, seniority or efficiency rating, when attending National Guard encampments or schools for training, under proper authority, and on all other occasions when ordered to active duty, in the service of the State of South Carolina.