423.28  Sales tax report — deduction.
  Motor vehicle or trailer dealers, in making their reports and returns to the department for the purpose of paying the sales tax, shall be permitted to deduct all sales prices from retail sales of vehicles subject to registration or subject only to the issuance of a certificate of title. Sales prices from sales of vehicles subject to registration or subject only to the issuance of a certificate of title are exempted from the sales tax, but, if required by the director, the sales prices shall be included in the returns made by motor vehicle or trailer dealers under subchapter II, and proper deductions taken pursuant to this section.
2003 Acts, 1st Ex, ch 2, §121, 205