S.C. Code Ann. § 40-36-630

This compact must be liberally construed to effect the purposes of it. The provisions of this compact are severable and if any phrase, clause, sentence or provision of this compact is declared to be contrary to the constitution of a member state or of the United States or the applicability of it to any government, agency, person, or circumstance is held invalid, the validity of the remainder of this compact and the applicability of it to any government, agency, person, or circumstance may not be affected as a consequence. If this compact is held contrary to the constitution of any member state, the compact shall remain in full force and effect as to the remaining member states and in full force and effect as to the member state affected as to all severable matters.