Motor Vehicle, Mobile Home, Off- Highway or Vessel Description. Year. Utility Improvements. for.Keep copies of the bill of sale (FLHSMV recommends having it notarized), certificate of title or other type of transaction document showing it was sold. 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. Electronic recording of documents such as deeds, mortgages, and other land records documents is now live. A bill of sale is required with the registration to transfer ownership.