The purchaser's signature in section 3 is optional. 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.You'll need to sign the car purchase agreement (or dealer bill of sale), the title, an odometer statement, and sometimes a damage disclosure statement. You must complete, sign and submit a Notice of Sale to our office within 30 days of selling a vehicle, vessel or mobile home. A Florida motor vehicle bill of sale template legally transfers ownership of a car or other motor vehicle in Florida. A Florida bill of sale is a document used to transfer the ownership of personal property from a seller to a buyer. Information you can expect to fill out includes the car's VIN, make, and model, the name and permanent address of each party involved, and the sales amount. Here's the information you will need to complete the purchase, whether you're a Florida resident, Out-of-State resident or making a Business Purchase.