The board of directors shall choose one of its members president, and another vice president, who shall act for the president during his absence or disability. The board of directors shall either choose one of its members to serve as secretary and another to serve as treasurer or shall employ one or more administrative secretaries or clerks to perform the duties of secretary or treasurer, or both. The board shall provide for the time and place of holding its meetings, which shall be held at least once each month. All legislative sessions of the board, whether regular or special, shall be open to the public. A majority of the board constitutes a quorum for the transaction of

business.