It is recommended to fill it out before selling and buying a trailer in North Carolina. You should use a document in a printable PDF format.The documentation and forms required for titling a vehicle are based on the situation involving the vehicle, as described in the table below. 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. A North Carolina trailer bill of sale form aims to provide an official, lawfully abiding document that verifies the purchase. The form should include the sales price, the parties' names, and the date of sale. □ Taxes are not included in the purchase price. 5. North Carolina Trailer Bill of Sale ✓ easily fill out and sign forms ✓ download blank or editable online. A North Carolina motor vehicle bill of sale is legal proof that the purchase and sale of a vehicle has occurred.