Evidence that the sales tax on the vehicle has been paid is necessary. Click here for a Bill of Sale Form.Motor Vehicle, Mobile Home, Off- Highway or Vessel Description. Year. 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. Learn about bill of sale laws and requirements for the state of Texas. Get templates for buying and selling high-value items like cars, boats, and firearms. Create a Florida bill of sale document using professional and expert guidance. You also need to complete a Bill of Sale with the previous owner for record of the purchase.