S.C. Code Ann. § 34-28-900: Grandfather clause.

This chapter does not impair or affect any act done, offense committed, right accruing, accrued, or acquired, or liability, penalty, forfeiture, or punishment incurred prior to the effective date of the chapter, but the same may be enjoyed, asserted, enforced, prosecuted, or inflicted as fully and to the same extent as if this chapter had not been enacted.