A Utah boat bill of sale confirms that ownership of a boat was transferred between a buyer and seller. This document will provide information about the buyer and the seller, a description of the boat, and the terms of the transfer of ownership.I am aware of the sales and odometer information that the seller provided, above. I certify, to the best of my knowledge, that the above information is correct. For the buyer, the bill of sale documents the purchase price of the vehicle for sales tax purposes. For boat transactions, a Boat Bill of Sale documents the sale and transfer. This form below is designed for use on upon the sale of a boat or vessel. The data in the form includes the vehicle's year, make, model, license plate number, VIN, and buyer and seller information.