(24) Advertise the price to be paid for trade-in vehicles as a range of prices, e.g. , "up to two thousand dollars" or "as much as two thousand dollars";.A vehicle private sales receipt serves as formal documentation provided to a buyer as evidence of payment for purchasing a car from a private seller. • Step-by-step guide on filling out an assignment of contract (assignment addendum). Hi, does anyone know where I can find some good wholesales contracts for use in Ohio? You're one step closer to locating a Costco Auto Program Approved Dealer. • Complete BMV 4202 Unclaimed Motor Vehicle Affidavit Form. How many Form 8300s should the car dealer file? Agreement should be consistent with what the installment contract states.