S.C. Code Ann. § 7-13-75
Members of local boards of voter registration and elections; political activity prohibited.
No member of a county or municipal board of voter registration and elections may participate in political management or in a political campaign over whose election the member has jurisdiction during the member's term of office. No member may make a contribution to a candidate or knowingly attend a fundraiser held for the benefit of a candidate over whose election the member has jurisdiction. Violation of this section subjects the member to removal by the Governor or appropriate appointive authority.