S.C. Code Ann. § 37-1-201
(1) Except as otherwise provided in this section, this title applies to consumer credit transactions made in this State. For purposes of this title, a consumer credit transaction is made in this State if:
(4) A consumer credit transaction to which this title does not apply entered into with a person who is a resident of this State at the time of the transaction is valid and enforceable in this State to the extent that it is valid and enforceable under the laws of the jurisdiction applicable to the transaction.
A creditor may not enforce rights against the consumer with respect to the provisions of agreements which violate the provisions on limitations on agreements and practices (Part 4) of the chapter on credit sales (Chapter 2) or of the chapter on loans (Chapter 3).
(7) For purposes of this section:
(d) "Open-end credit" means an arrangement pursuant to which:
(8) With respect to a consumer credit sale or consumer loan to which this title does not otherwise apply, if, pursuant to solicitation in this State, a consumer who is a resident of this State sends a signed writing evidencing the obligation or offer of the consumer to a creditor in another state and receives the goods or services purchased or the cash proceeds of the loan in this State:
(9) Notwithstanding other provisions of this section:
(10) Each of the following agreements or provisions of an agreement by a consumer who is a resident of this State at the time of a consumer credit transaction is invalid with respect to the transaction:
(11) The following provisions of this title specify the applicable law governing certain cases: