For a new vehicle purchased from an out-of-state dealer, provide. The Manufacturer's Certificate of Origin (MCO); the dealer's bill of sale.South Carolina law requires that you register your newly purchased vehicle within 45 days of the purchase date. MV-912: Vehicle Bill of Sale (PDF). English. Use this form to show proof of a vehicle ownership transfer through a private sale. Use our Motor Vehicle Bill of Sale form to record the sale of a vehicle and protect both buyer and seller. Edit, sign, and share south carolina bill of sale form 4031 online. No need to install software, just go to DocHub, and sign up instantly and for free. Learn about New York bills of sale for vehicles, boats, firearms, and more. Get answers to frequently asked questions and download the templates you need.