S.C. Code Ann. § 41-31-380

The contributions, interest, penalties, departmental administrative contingency assessments, and costs prescribed in this chapter are considered taxes owing the State by the persons against whom they are charged, and are a lien upon the real property or chattels of the person by whom the contributions are due, only after the warrant described in Section 41-31-390 is indexed as prescribed in Section 41-31-400.