Each commissioner and the president of the board of city commissioners shall hold office for four years commencing on the first day of July of the year in which the officer was elected and until a successor has been duly elected and qualified. The commission shall establish by ordinance a procedure whereby one-half of all commissioners, as nearly as practicable, are elected biennially. The president or any other member of the board may resign from office by filing a written resignation with the city auditor, who shall submit the resignation to the board of city commissioners at its next regular meeting or at a special meeting called for consideration of the resignation. The resignation is effective upon its acceptance by the board.
40-09-05. President and board of commissioners succeed to powers and duties of mayor and council. If the city previously was organized under the council form of government, the first president and the other members of the first board of city commissioners elected after a city has incorporated under the city commission system of government are the successors of the mayor and council members of the city. Upon the qualification of the president and other members of the board, all the powers, rights, and duties of the mayor and council of the city cease. Whenever the city previously, under the decree or judgment of any court or under any law, ordinance, or resolution, has been entitled to representation through the mayor of the city and one or more of the council members of the city, on the board of directors of any incorporated company in which the city may own stock or be interested, it must be represented on the board of directors by the president of the board of city commissioners and by two other members of the board to be selected by the board.