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. General Bill of Sale – These forms are most generally utilized between two private parties for the proof of sale and change of ownership of personal items. A Missouri general bill of sale is a legal document that is usually utilized between a seller and a buyer to record the sale and purchase of personal property. 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.