S.C. Code Ann. § 7-13-80: Organization of voter registration and elections; managers and clerks; oaths.

The board members, managers, and clerks at their first meeting, respectively, must proceed to organize as a board. The county board of voter registration and elections must appoint the chairman of the board of managers. The chairman must be a resident and registered elector of the respective county in which he is appointed to work or in an adjoining county. The chairman, in each instance, may administer oaths.