Accounts shall be rendered by the personal representative: Within 9 months from the date of the appointment of the personal representative; Within 6 months after the account referred to in paragraph (1) of this subsection and within 6 months after each account thereafter until the filing of the final account; Upon termination of the appointment of the personal representative, as provided in Title 6, Subtitle 3 of this article; and At the other times ordered by the court. Upon written application of the personal representative, the court for good cause shown may extend to a specified date the time for rendering an account.