N.C. Gen. Stat. § 45-21.10: Requirement of cash deposit at sale.

(a) If a mortgage or deed of trust contains provisions with respect to a cash deposit at the sale, the terms of the instrument shall be complied with.

(b) If the instrument contains no provision with respect to a cash deposit at the sale, the mortgagee or trustee may require the highest bidder immediately to make a cash deposit not to exceed the greater of five percent (5%) of the amount of the bid or seven hundred fifty dollars ($750.00).

(c) If the highest bidder fails to make the required deposit, the person holding the sale may at the same time and place immediately reoffer the property for sale. (1949, c. 720, s. 1; 1993, c. 305, s. 6.)