This is necessary so that the individual can prove that he is no longer in possession of the vehicle if the vehicle is involved in an accident or if the vehicle has been abandoned. The Bill of Sale can also serve as a « pink note » for the buyer until the paperwork for the new owner is complete. Keep all of these things in mind when you go through your car purchase contract. Before buying a car, the buyer must know the requirements before the purchase. All of this is in the contract document. However, before signing, make sure that all the information in the document is correct. Let`s consider what you should pay attention to before signing.. . .