□ Not included with the vehicle sale. Motor Vehicle Bill of Sale (Form TC-843)– Can be used to prove the sale and purchase of either a motorcycle or automobile in the state of Utah.Create a Utah bill of sale form to document the transfer of ownership of a vehicle or another piece of personal property. Learn about bills of sale in Utah for vehicles, firearms, animals, and more. 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. Motor Vehicle Bill of Sale Also called "Form TC843," this bill of sale documents the sale of motor vehicles in Utah. Utah Motorcycle Bill of Sale Form. Utilize Our Motorcycle Bill of Sale for a Secure Motorcycle Sale Transaction.