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. 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. Edit, sign, and share missouri bill of sale online. No need to install software, just go to DocHub, and sign up instantly and for free. This guide will help you understand the different types of Missouri Bill of Sale forms, key terms, and the notarization process.