Mobile Home, Off-Highway Vehicle or Vessel. The buyer and seller must sign the bill of sale, which can be used to register with the state.Create Document. PDF. A sample bill of sale is available from the State of Florida, but you are also free to create your own document as long as it includes the required information. This document serves as proof of ownership and allows the seller to report the sale to the DMV. The form includes the details of the vehicle. Selling or transferring ownership of a car, boat or other item of personal property? Easily create, print, and download a Bill of Sale in minutes. Use our free Florida bill of sale form in order to legally buy or sell personal property like vehicles in the state of Florida. The Florida Department of Revenue's Property Tax Oversight program provides commonly requested tax forms for downloading.