Michigan Compiled Laws, Chapter 720. Probate § 720.213

Sec. 13. Whenever a county public administrator whose appointment has terminated shall present to the probate court the final account as in this act provided, or whenever any county public administrator shall have rendered any account in any estate in which he has been appointed fiduciary under the provisions of this act, he shall, within 24 hours after same is regularly noticed for hearing, mail to the state public administrator a true copy of such account, together with any petition for extra compensation or allowance filed in conjunction with said account, and file proof of mailing thereof with the probate court. The state public administrator upon receipt thereof shall examine such account and may indicate his approval or disapproval thereof to the probate judge having jurisdiction thereof prior to the date of hearing thereon, and may appear in said probate court to contest any or all parts thereof and the attorney general may appear in like manner for the same purpose, and the said judge of probate shall not pass upon said account in the absence of the aforesaid proof of mailing.