Create a Utah bill of sale form to document the transfer of ownership of a vehicle or another piece of personal property. Division of Motor Vehicles • PO Box 30412 • Salt Lake City, UT 84130 • 801-297-7780 or 1-800-368-8824.A Utah boat bill of sale confirms that ownership of a boat was transferred between a buyer and seller. A boat Bill of Sale should include a description of the boat, motor and trailer along with their corresponding ID numbers, the purchase price, the date of sale. Completing the TC 843 Bill of Sale Correctly: Key Points: Provide a step-by-step guide on how to correctly complete the form.