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. Simplify property handoffs with our quitclaim bill of sale template.Easily record the ownership transfer of merchandise or equipment. Use our Illinois bill of sale forms to legally buy or sell personal property in the state of Illinois, including a car, firearm, or trailer. Basic bill of sale form in Illinois to be used as general BOS document and customize the sale contract as per your transactions and requirement. Request the buyer's name and address in case there are title or registration problems after the sale. • Prepare a bill of sale for the buyer.