S.C. Code Ann. § 37-3-410
(1) A lender, except the issuer of a lender credit card, who with respect to a particular transaction, makes a consumer loan to enable a debtor to buy or lease from a particular seller or lessor property or services is subject to all claims and defenses of the debtor against the seller or lessor arising from that sale or lease of the property or services if:
(3) For the purpose of determining the amount owing to the lender with respect to the sale or lease: