S.C. Code Ann. § 40-33-40
(A) Demonstration of competency for initial licensure requires documented evidence of the following:
(B) Demonstration of competency for:
(1) renewal of an active license biennially requires documented evidence of at least one of the following requirements during the licensure period:
(2) reinstatement from lapsed or inactive status of five years or less requires documented evidence of at least one of the following within the preceding two years:
(3) reinstatement from lapsed or inactive status of more than five years requires documented evidence of at least one of the following: