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. The Electronic Registration and Title (ERT) System allows you to complete and print an Application for Vehicle Transaction(s) (VSD 190) online.To legally transfer the car, you must sign the title over to the buyer. "Signing the title over" means signing on the "Assignment of Title" part of the title. If you are a new resident to Chicago, you must purchase a Chicago City Vehicle Sticker within 30 days of your established residency date. Forms on this website are PDFs with fillable fields. Forms should be downloaded to your computer before filling in the fields. A motor vehicle bill of sale is between a buyer and a seller of a car, truck, or motorcycle. It is signed as the last step in the sales process. Buyers and sellers can complete a bill of sale in another language as long as both parties agree and understand their copy of the document.