You need to notify our office as well as the DMV. The documentation and forms required for titling a vehicle are based on the situation involving the vehicle, as described in the table below.A North Carolina motor vehicle bill of sale is legal proof that the purchase and sale of a vehicle has occurred. When buying or selling a trailer in North Carolina, a detailed bill of sale is crucial. Download a North Carolina trailer bill of sale here. General Bill of Sale A proof of purchase suitable for personal property transactions. Download: PDF, Word (.