N.D. Cent. Code § 43-13-03
The North Dakota state board of optometry consists of seven members appointed by the governor for a term of five years each, with their terms of office so arranged that at least one term expires on June thirtieth of each year. Five of the members of the board must be resident licensed optometrists who have an established optometric practice in this state and are engaged in the actual practice of optometry in this state. Each member of the board shall qualify by taking the oath required of civil officers and filing the same with the secretary of the board. A member of the board shall hold office until a successor is appointed and qualified. A vacancy on the board must be filled by appointment by the governor for the remainder of the unexpired term.
N.D.C.C. § 43-13-03