A corporation may provide in its articles or bylaws for election of directors by members or delegates: (1) on the basis of chapter or other organizational unit; (2) by region or other geographic unit; (3) by preferential voting; or (4) by any other reasonable method.
Other methods of electing directors
S.C. Code Ann. § 33-31-726, under Title 33, Chapter 31.
S.C. Code Ann. § 33-31-726