N.C. Gen. Stat. § 164-15

The Commission shall hold not less than two regular meetings each year, of which one shall be held in June and one in November, at such times during those months as may be fixed therefor by the Commission itself. The Commission may establish a schedule for other regular meetings. Special meetings may be called by the chairman, or by any two members of the Commission, upon such notice and in such manner as may be fixed therefor by the policies adopted by the Commission. The regular June and November meetings of the Commission shall be held in Raleigh, but the Commission may provide for the holding of other meetings from time to time at any other place or places in the State. A majority of the members of the Commission shall constitute a quorum.