N.C. Gen. Stat. § 115D-18
At the first meeting held on or after July 1, each board of trustees shall elect from its membership a chair, who shall preside at all board meetings, and a vice-chair, who shall preside in the absence of the chair. The trustees shall also elect a secretary, who may be a trustee, to keep the minutes of all board meetings. All three officers of the board shall be elected for a period of one year but shall be eligible for reelection by the board.
Each board of trustees shall meet as often as may be necessary for the conduct of the business of the institution but shall meet at least six times a year. Meetings may be called by the chair of the board, a majority of the trustees, or the chief administrative officer of the institution.
N.C. Gen. Stat. § 115D-18