Prepare a bill of sale for the buyer. Include the date of sale and the price paid.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. The Electronic Registration and Title (ERT) System allows you to complete and print an Application for Vehicle Transaction(s) (VSD 190). The Electronic Registration and Title (ERT) System allows you to complete and print an Application for Vehicle Transaction(s) (VSD 190) online. Get Illinois bill of sale forms and learn how to transfer ownership of vehicles, boats, firearms, and other personal property from one party to another. Currency Exchange is the way to go.