The director is hereby vested with the power and is charged with the duty of observing, administering, and enforcing the provisions of this chapter . [C39, § 5000.03; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.3 ]
Powers and duties of director.
Iowa Code § 321.3, under MOTOR VEHICLES AND LAW OF THE ROAD.
Iowa Code § 321.3