321.44  Rules governing change of engines, drivetrain assemblies and related parts.
  The director shall adopt and enforce rules governing registration and titling of motor vehicles as deemed necessary by the director and compatible with the public interest with respect to the change or substitution of engines, drivetrain assemblies or related parts in any motor vehicle.
[C39, §5001.28; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.44]
88 Acts, ch 1278, §32