2009 Iowa Code
Title 8 - Transportation
Subtitle 2 - Vehicles
CHAPTER 321 - MOTOR VEHICLES AND LAW OF THE ROAD
321.93 - DEFENSE.

        321.93  DEFENSE.
         Under a charge of possessing a vehicle or component part, the
      vehicle identification number or component part number of which is
      defaced, altered, or tampered with, it shall be a complete defense
      that the accused at the time of such possession had in the accused's
      possession a certificate of title from the officer whose duty it is
      to register vehicles and component parts in the state in which the
      vehicle or component part is registered, showing good and sufficient
      reason why numbers are defaced, changed, or tampered with, the
      original vehicle identification number or component part number, and
      the ownership of the vehicle or component part.  

         [C24, 27, 31, 35, § 5083; C39, § 5006.22; C46, 50, 54, 58, 62,
      66, 71, 73, 75, 77, 79, 81, § 321.93]