The board shall meet at least once in each year at a place it designates, and in addition thereto whenever and wherever the president and the secretary, for proper cause, call a meeting. Four members of the board in actual attendance at any meeting constitute a quorum for the transaction of business.
N.D. Cent. Code § 43-13-10
Meetings of board - Quorum - What constitutes
Official source: North Dakota Legislative Branch. Reproduced from public-domain North Dakota statutes; confirm against the official source for the current text. Not legal advice.