The resignation shall not become effective until:
(1) A successor has been duly qualified, unless G.S. 28A-10-8 is applicable; and
(2) The clerk of superior court is satisfied that the accounts of the personal representative are true and correct; and
(3) The personal representative has accounted to the personal representative's successor in full for all assets of the estate, or if pursuant to G.S. 28A-10-8 no successor is appointed, to the remaining personal representative or representatives, and the personal representative's final account has been filed with and approved by the clerk of superior court.