S.C. Code Ann. § 59-125-50: Secretary of State shall notify board members of election; effect of failure to accept.

The Secretary of State shall furnish a certificate to each trustee within ten days after his election notifying him that he has been so elected and if any trustee fail for the space of thirty days to inform the Governor of his acceptance then his election shall be void and his place shall be filled as heretofore provided in cases of vacancy.