How To Write A Bill Of Sale On Paper . A bill of sale is a written contract verifying the transfer of ownership of an item being sold. Use this template to document the sale of any type of vehicle (new, used, etc.). FREE 7+ Business Bill of Sale Forms in PDF from www.sampleforms.com The vehicle identification number (vin) a description of the vehicle, including make, model and year. A bill of sale represents a receipt for an exchange of goods between two (2) parties, buyer and. The form should only be signed after the transaction has been finalized.