N.C. Gen. Stat. § 49-9

At the preliminary hearing of any case arising under this Article it shall be the duty of the court, if it finds reasonable cause for holding the accused for a further hearing, to require a bond in the sum of not less than one hundred dollars ($100.00), conditioned upon the reappearance of the accused at the further hearing under this Article. This bond and all other bonds provided for in this Article shall be justified before, and approved by, the court or the clerk thereof.