The documentation and forms required for titling a vehicle are based on the situation involving the vehicle, as described in the table below. North Carolina Motor Vehicle Bill of Sale.A North Carolina motor vehicle bill of sale is legal proof that the purchase and sale of a vehicle has occurred. To ensure you are able to view and fill out forms, please save forms to your computer and use the latest version of Adobe Acrobat Reader. Watch this before you finance your next car (former dealer explains how to read a purchase contract) North Carolina's vehicle Tag and Tax Together program was designed to make it easier to pay your annual registration renewal and vehicle property taxes.