S.C. Code Ann. § 8-11-670: Additional leave may be granted in case of emergency or extreme hardship.

Notwithstanding any other provisions of law, including the provisions of this article, the department or agency head may allow an employee, under emergency or extreme hardship conditions, who has used all accumulated sick leave and thirty days of annual leave to use under such emergency or hardship conditions any remaining annual leave which he has accumulated, subject to review by the Department of Administration upon appeal by the employee.