Any action or proceeding to which the authority or the people of the state may be a party in which any question arises as to the validity of the Industrial and Agricultural Finance Authority Act shall be preferred over all other civil cases in all courts of the state and shall be heard and determined in preference to all other civil business pending therein irrespective of position on the calendar. The same preference shall be granted upon application of counsel to the authority in any action or proceeding questioning the validity of the Industrial and Agricultural Finance Authority Act in which he may be allowed to intervene. The venue of any such action or proceeding or any other action or proceeding against the authority shall be laid in the county in which the principal office of the authority is located.