N.C. Gen. Stat. § 90-239

Within 30 days after appointment of the Board, the Board shall hold its first regular meeting, and at said meeting and annually thereafter shall choose from among its members a chairman, vice-chairman, a secretary and a treasurer. The Board may combine the offices of secretary and treasurer. The Board shall make such rules and regulations not inconsistent with the law as may be necessary to the proper performance of its duties, may employ agents to carry out the purposes of this Article, and each member may administer oaths and take testimony concerning any matter within the jurisdiction of the Board, and a majority of the Board shall constitute a quorum. The Board shall meet at least once a year, the time and place of meeting to be designated by the chairman. Special meetings may be called by the chairman or upon request of three members. The secretary of the Board shall keep a full and complete record of its proceedings, which shall at all reasonable times be open to public inspection.