N.C. Gen. Stat. § 17-13: When writ returnable.

Writs of habeas corpus may be made returnable at a certain time, or forthwith, as the case may require. If the writ be returnable at a certain time, such return shall be made and the party shall be produced at the time and place specified therein. (1868-9, c. 116, s. 31; Code, s. 1656; Rev., s. 1830; C.S., s. 2215.)