Write 'Gift' on the selling price line, as this vehicle was a gift and FL doesn't collect tax on gifts. Enter the date of sale; Fill out the sale price section with either the sales price or write "gift" as the sale price if you're donating the vehicle.How Do You Write a Bill of Sale for a Car as a Gift? The gift letter should include the make, model, year, and VIN (vehicle identification number) of the car. As you're filling out the title, you should list your name as the seller and your relative's name as the buyer. You'll also need to state the odometer reading. In addition to signing over the title, you should write up a bill of sale stating that the car is a gift. It probably should be notarized. The selling price of the car. If you are selling the vehicle to a Family Member you should make out a Bill Of Sale for the amount you are selling it for.