□ Not included with the vehicle sale. 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.Create a motorcycle bill of sale for Utah so you can document all the important details of your sale and ownership transfer. 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. Step 1: To open the printable bill of sale for Utah click the fill out form button. Step 2: Write the type of vehicle that's being sold. Create a Utah bill of sale form to document the transfer of ownership of a vehicle or another piece of personal property. Motor Vehicle Bill of Sale Also called "Form TC843," this bill of sale documents the sale of motor vehicles in Utah. □ Light Truck, Van or Utility. A motorcycle bill of sale is a form that serves as proof of purchase, giving the buyer written confirmation that they obtained a motorcycle through legal means.