N.C. Gen. Stat. § 1-339.57

If, prior to the time fixed for a sale, or prior to the expiration of the time allowed for submitting any upset bid, payment is made or tendered to the sheriff of the judgment and costs with respect to which the execution was issued, and the sheriff's fees, commissions and expenses which have accrued, together with any expenses incurred on account of the sale or proposed sale including costs incurred in caring for the property levied on, then any right to effect a sale pursuant to the execution ceases.