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 bill of sale requirements for the state of Missouri. Includes free Missouri bill of sale templates for cars, trucks, boats, firearms, and more. Bill of Sale or Even-Trade Bill of Sale. To draft a bill of sale for a car in Missouri, you should provide: Full names and mailing addresses of the parties involved. A motor vehicle bill of sale is between a buyer and a seller of a car, truck, or motorcycle. It is signed as the last step in the sales process. Fill-in the blank bill of sale the with the following information. Seeking a Missouri bill of sale?