Use our templates to draft South Carolina bills of sale. 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. When selling a vehicle, the seller must sign and handprint their name on the proof of ownership document. South Carolina Bill of Sale Form ✓ easily fill out and sign forms ✓ download blank or editable online. How to Properly Draft a Bill of Sale for a Gifted Car? Learn about bills of sale in Pennsylvania for vehicles, firearms, animals, etc.