Iowa Admin. Code r. 701-284.6
Receipts derived from the sale at retail in Iowa of new and used vehicles subject to registration under the motor vehicle laws of Iowa shall be exempt from sales tax. When the vehicles are registered at the office of the county treasurer or the motor vehicle registration division, Iowa department of transportation, the tax is collected as use tax. Vehicle dealers selling tangible personal property or taxable services in Iowa, in addition to new or used vehicles, shall be required to hold a permit. Upon filing their quarterly returns, dealers shall show the amount of their gross receipts derived from the sale of new and used vehicles subject to registration and shall take appropriate deductions.
The purchaser of a new or used vehicle subject to registration shall be required to pay use tax when the vehicle is registered in Iowa under the Iowa motor vehicle law; and, the county treasurer or the motor vehicle registration division, department of transportation (whichever issues the registration) shall collect use tax.
This rule is intended to implement Iowa Code sections 422.45(4), 423.7 and 423.8.
Iowa Admin. Code r. 701-284.6