Any person belonging to the military forces of this state, going to or returning from any parade, encampment, drill, or meeting which the person may be required by law to attend, must be allowed to pass free through all toll gates and over all toll bridges and ferries, with the person's conveyance and with any military property of this state in the person's charge, if the person is in uniform or if the person presents an order for duty or a certificate of membership in the national guard.
N.D.C.C. § 37-01-14