The seller must complete all applicable information and sign this form. The Bill of Sale or Even-Trade Bill of Sale must be notarized.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. 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 motor vehicle bill of sale is a legal document used in the sale and purchase of a motor vehicle. Explore our Missouri bill of sale templates and learn how to create your legally binding document that protects your interests. The Missouri Bill of Sale form is crucial for ensuring the accurate documentation of the sale and transfer of ownership of property with state regulations. It includes the name and address of the buyer and seller, the date of sale, the purchase price, and a vehicle description.