There is hereby established in all counties adopting the provisions of this act a county law enforcement department, which shall be composed of a director and such other officers and personnel as the board shall provide by resolution. Such department shall be under the supervision and control of the director and no member of the board shall interfere by individual action with the operation of the department or the conduct of any of the officers or other personnel of such department. All instructions or directions to the director shall come from the board after approval of a majority of the board, except those from the county attorney which are in the performance of the county attorney’s lawful duty. No instructions or directions shall be given by individual board members to others within the department and in the event such individual action is attempted by a member of the board it shall be referred by the person concerned to the director who shall in turn refer it to the entire board for any appropriate action.