I certify that, to the best of my knowledge, the title is. Filling Out the Form.Use a Utah-specific Bill of Sale form. This form below is designed for use on upon the sale of a motor vehicle or automobile. Use a Utah motor vehicle bill of sale form to create a legally binding record of your vehicle sale and confirm ownership transfer. Use Utah bills of sale to document the transfer of ownership of a car, boat, firearm, or other personal property from a seller to a buyer. Streamline your transactions. Use our Utah-specific bill of sale template to simplify your property or vehicle transfers. Although not legally required, the Utah DMV advises and provides private sellers with a bill of sale (form TC-843) to use when selling your car on your own. The primary focus of this page is on procedures when everyone involved is in agreement and cooperating.