South Carolina law requires that you register your newly purchased vehicle within 45 days of the purchase date. This form provides identifying information for the vehicle and information about the seller and the buyer.Use our templates to draft South Carolina bills of sale. This form offers information regarding the seller, the buyer, the change of ownership, and the property being sold and purchased. It requires notarization. Apply for a title within 15 days of purchase and take the application to an MVD Office or Authorized Third Party provider to complete the process.