North Carolina General Statutes Chapter 24. Interest § 24-12. Applicability of Article

(1) Secured in whole or in part by a security instrument on real property, other than a first security instrument on real property; and

(2) The principal amount of the loan does not exceed twenty-five thousand dollars ($25,000);

(3) The loan is repayable in no less than six nor more than 181 successive monthly payments, which payments shall be substantially equal in amount.