I certify that, to the best of my knowledge, the title is. Used vehicles are sold as accepted and are not guaranteed.A Utah motor vehicle bill of sale, known as Form TC-843, is an official document that provides proof that a vehicle has been sold in the State of Utah. A Utah bill of sale is a legal document that details an exchange of goods for cash or trade. Completed Bill of Sale form (TC843). The title of the vehicle was signed over to the buyer. If a Utah title is lost, the buyer and seller may fill out a Form TC-123, Application for a Duplicate Title. The Trailer is to be sold free and clear of any liens, encumbrances, or mortgages. A Utah motor vehicle bill of sale is written documentation of a transfer of vehicle ownership.