A Certificate of Title or other ownership documents must accompany this form. INSTRUCTIONS. • All areas must be completed in full.Use online Nevada bills of sale to document the transfer of ownership of a car, boat, firearm, or other personal property from a seller to a buyer. Use our templates to draft South Carolina bills of sale. Invoice or Bill of Sale, and one of the following: Title; Manufacturer's Certificate of Origin; Security Agreement; Lease Agreement; Purchase Order. South Carolina law requires that you register your newly purchased vehicle within 45 days of the purchase date. How to Properly Draft a Bill of Sale for a Gifted Car? A motor vehicle bill of sale is between a buyer and a seller of a car, truck, or motorcycle. It is signed as the last step in the sales process.