Iowa Code § 501.405: Officers.

A cooperative shall have officers described in its bylaws or appointed by the board in accordance with the bylaws. The bylaws or the board shall delegate to one of the officers responsibility for preparing minutes of the directors’ and members’ meetings and for authenticating records of the cooperative. Each officer has the authority and shall perform the duties set forth in the bylaws or, to the extent consistent with the bylaws, the duties prescribed by the board. The same individual may simultaneously hold more than one office.