"Inventory Information: Within 91 days of the date of the letters of authority, you must submit to the court the information necessary for computation of the probate inventory fee. You must also provide the name and address of each financial institution listed on your inventory at the time the inventory is presented to the court. The address for a financial institution shall be either that of the institution's main headquarters or the branch used most frequently by the personal representative.
"Change of Address: You must keep the court and all interested persons informed in writing within 7 days of any change in your address that you have provided for service."
"Notice of Continued Administration: If you are unable to complete the administration of the estate within one year of the original personal representative's appointment, you must file with the court and all interested persons a notice that the estate remains under administration, specifying the reason for the continuation of the administration. You must give this notice within 28 days of the first anniversary of the original appointment and all subsequent anniversaries during which the administration remains uncompleted."
"Duty to Complete Administration of Estate: You must complete the administration of the estate and file appropriate closing documents with the court. Failure to do so may result in personal assessment of costs."
Mich. Ct. R. 5.307