S.C. Code Ann. § 44-22-210: Temporary leaves of absence.

(A) The head of a treatment facility or unit may permit the patient to leave the facility on a temporary leave of absence for no longer than ninety days.

(B) The head of the treatment facility or unit upon releasing a patient on a temporary leave of absence may impose conditions on the patient while he is absent from the facility as are proper and in the best interest of the patient and public welfare.