The seller must complete all applicable information and sign this form. The Bill of Sale or Even-Trade Bill of Sale must be notarized.Learn about New York bills of sale for vehicles, boats, firearms, and more. Get answers to frequently asked questions and download the templates you need. Learn about bill of sale requirements for the state of Missouri. Includes free Missouri bill of sale templates for cars, trucks, boats, firearms, and more. A Missouri bill of sale is a legal document that records the sale and transfer of personal property. It is commonly used for motor vehicles. Establish a clear record of your motor vehicle transactions in Missouri. Our online vehicle bill of sale template is quick and easy to use.