An Illinois motor vehicle bill of sale documents the purchase and sale of a motor vehicle between a private seller and buyer in the State of Illinois. An Illinois motor vehicle bill of sale legally transfers ownership of a car or other motor vehicle in the state of Illinois.ACCEPTANCE DATE: ("Acceptance Date"). SELLER'S INFORMATION: Seller's Signature: Seller's Name (print):. To download a free Car Sale Agreement template, click the button below. Motor Vehicle (DMV) Bill of Sale Form Affirms the information contained in a transaction of a vehicle for a payment amount. Complete and mail the Notice of Sale form. (attached to the bottom of the title) to the. 1. Enter the names and mailing addresses of the buyer and seller. Motor Vehicle Bill of Sale – Use to sell, purchase and change ownership of an automobile.