Mobile Home, Off-Highway Vehicle or Vessel. The form includes the details of the vehicle, the odometer disclosure statement, the parties' information and signatures.Motor vehicles, vessels, mobile homes and trailers must be registered at the point of purchase and a certificate of title issued as proof of ownership. Learn about Florida Bill of Sale requirements. Get forms and templates to document the sale of items such as cars, boats, horses, firearms, and more. In Florida, a bill of sale document records the purchase of a car, boat, firearm, technology device, horse, or other valuable item. Have countervailing impacts in the Miami-Dade economy.