Writing an Auto Sale Contract. Write out your own full name, and that of the buyer.(b) The consignment contract shall consist of the following: (1) the effective dates of the contract;. Learn about bills of sale in North Carolina for cars, boats, firearms, or other property. Access North Carolina bill of sale forms here! A North Carolina bill of sale is a document that includes the transfer details of personal property, commonly a motor vehicle, from a seller to a buyer. The document is a contract for the sale of an artwork between an artist and a purchaser. NonResident's Affidavit of Intent to Title Vehicle in North Carolina (FORM MVR614). Create a North Carolina Bill of Sale Form with guided instructions for selling a car, boat, trailer, gun or other property. A vehicle purchase agreement or vehicle contract is very important.