N.C. Gen. Stat. § 153A-52
The board of commissioners may hold public hearings at any place within the county. The board may adopt reasonable rules governing the conduct of public hearings, including but not limited to rules (i) fixing the maximum time allotted to each speaker, (ii) providing for the designation of spokesmen for groups of persons supporting or opposing the same position, (iii) providing for the selection of delegates from groups of persons supporting or opposing the same positions when the number of persons wishing to attend the hearing exceeds the capacity of the hall, and (iv) providing for the maintenance of order and decorum in the conduct of the hearing.
The board may continue a public hearing without further advertisement. If a public hearing is set for a given date and a quorum of the board is not then present, the board shall continue the hearing without further advertisement until its next regular meeting.
N.C. Gen. Stat. § 153A-52