Except where final settlement is by sworn statement under s. 865.16, every personal representative shall file in the court a verified account of the personal representative’s administration:
(1) When the personal representative files a petition for final settlement;
(2) Upon the revocation of the personal representative’s letters;
(3) When the personal representative submits an application to resign as personal representative;
(4) At any other time when directed by the court either on its own motion or on the application of any person interested.