N.D. Cent. Code § 61-06-21
The board shall hold regular meetings in its office or usual place of meeting in January, March, July, and November of each year. The board by rule or bylaw authorized by section 61-07-03 shall fix dates for such regular meetings and may also fix dates for additional regular meetings as it shall deem needed. The board also may hold special meetings as may be required for the transaction of the district's business. A majority of the members of the board constitutes a quorum for the transaction of business. Special meetings shall be called by the secretary upon the order of the chairman of the board or upon the request in writing of two members. The order must be entered of record on the minutes of the meeting and notice of such special meeting shall be delivered or mailed to each member of the board at least five days prior to the date of such special meeting. A special meeting of the board may be called at any time by the chairman without notice and the meeting thus called shall be legal and valid if all members of the board of directors are present. A concurrence of at least a majority of the board is necessary on any question requiring a vote. All records of the board must be open to the inspection of any elector during business hours.
N.D.C.C. § 61-06-21