S.C. Code Ann. § 36-8-204
A restriction on transfer of a security imposed by the issuer, even if otherwise lawful, is ineffective against a person without knowledge of the restriction unless:
HISTORY: 1962 Code Section 10.8-204; 1966 (54) 2716; 1991 Act No. 161, Section 1; 2001 Act No. 67, Section 5.