N.C. Gen. Stat. § 28A-14-2
A copy of the notice directed by G.S. 28A-14-1(a) to be posted or published, together with an affidavit or affidavits of one of the persons authorized by G.S. 1-600(a) to make affidavits to the effect that such notice was posted or published in accordance with G.S. 28A-14-1(a), and an affidavit of the personal representative or collector, or the attorney for the personal representative or collector, to the effect that a copy of the notice was personally delivered or mailed to each creditor entitled to notice in accordance with G.S. 28A-14-1(b) shall be filed in the office of the clerk of superior court by the personal representative or collector at the time the inventory required by G.S. 28A-20-1 is filed. The copy of the notice, together with the affidavit or affidavits, shall be deemed a record of the court and a copy thereof, duly certified by the clerk of superior court, shall be received as prima facie evidence of the fact of publication or mailing in all the courts of this State.
N.C. Gen. Stat. § 28A-14-2