S.C. Code Ann. § 38-73-480
An automobile insurance contract sold on the basis of a group plan or contract pursuant to Section 38-77-130 shall have a rate not less than five percent less than the individual rate for which the insurer markets a substantially similar policy.
HISTORY: Former 1976 Code SECTION 38-37-350 [1962 Code SECTION 37-591.15; 1974 (58) 2718] recodified as SECTION 38-73-480 by 1987 Act No. 155, SECTION 1; 1993 Act No. 181, SECTION 783.