S.C. Code Ann. § 13-12-20: Officers of governing board; committees; meetings; quorum.

The members of the board shall elect a chairman, vice-chairman, and secretary. The board shall establish other offices, committees, and positions under its bylaws as it considers necessary. The board shall meet on the call of the chairman and in accordance with its bylaws. A majority of the board, including at least one member elected from each participating county, constitutes a quorum for the transaction of its business.