N.C. Gen. Stat. § 6-4: Execution for unpaid costs; bill of costs to be attached.

When costs are not paid by the party from whom they are due, the clerk of superior court shall issue an execution for the costs, and attach a bill of costs to each execution. The sheriff shall levy the execution as in other cases. (R.C., c. 102, s. 24; Code, s. 3762; Rev., s. 1252; C.S., s. 1228; 1969, c. 44, s. 17; 1971, c. 269, s. 2.)