No information is available for this page. You'll need to sign the car purchase agreement (or dealer bill of sale), the title, an odometer statement, and sometimes a damage disclosure statement.Vehicle Payment Plan Agreement. A vehicle payment plan agreement is a contract between a buyer and seller of a vehicle that agrees to installment payments. Motor Vehicle Sales Tax is due on most motor vehicle sales or transfers. Tax is due when a title transfers unless an exemption applies. Download a Minnesota bill of sale and get detailed instructions on filing a bill of sale for car, auto, truck, boat, firearm, or other sales.