321.46A  Change from proportional registration — credit.
  An owner changing a vehicle’s registration from proportional registration under chapter 326 to registration under this chapter shall be entitled to a credit on the vehicle’s annual registration fees under this chapter. The credit shall be allowed when the owner surrenders to the county treasurer proof of proportional registration provided by the department. The amount of the credit shall be calculated based on the unexpired complete calendar months remaining in the registration year from the date the application is filed with the county treasurer.
87 Acts, ch 108, §6; 2008 Acts, ch 1113, §81