S.C. Code Ann. § 37-3-104: "Consumer loan" defined.

Except as provided in Section 37-3-105, "consumer loan" is a loan made by a person regularly engaged in the business of making loans in which:

(a) the debtor is a person other than an organization;

(b) the debt is incurred primarily for a personal, family, or household purpose;

(c) either the debt is payable in installments or a loan finance charge is made; and

(d) either the principal does not exceed twenty-five thousand dollars or the debt is secured by an interest in land.