S.C. Code Ann. § 24-13-720
Unless sentenced to life imprisonment, an inmate under the jurisdiction or control of the Department of Corrections who has not been convicted of a violent crime under the provisions of Section 16-1-60 or a "no parole offense" as defined in Section 24-13-100 may, within six months of the expiration of his sentence, be placed with the program provided for in Section 24-13-710 and is subject to every rule, regulation, and condition of the program. No inmate otherwise eligible under the provisions of this section for placement with the program may be so placed unless he has qualified under the selection criteria and process authorized by the provisions of Section 24-13-710. He must also have maintained a clear disciplinary record for at least six months prior to eligibility for placement with the program.