It also documents the purchase price the buyer paid and the date the transfer of ownership officially takes place. It includes a detailed description, such as the make, model and color of a vehicle. It also explains what property is being sold. It also shows who is taking possession and becoming the new owner, and that person or entity’s contact details. It shows who the past owner was, and that person or entity’s contact details. Even when it isn’t required, buyers and sellers should use this form to create a paper trail when property changes hands.Ī BoS is simply a proof of purchase. Oregon mandates notification to the DMV when a car is sold, and this form documents the transfer. Buyers and sellers both need to understand the details of a bill of sale.