Michigan Compiled Laws, Chapter 700. Estates and Protected Individuals Code § 700.3804

Sec. 3804. (1) A claimant must present a claim against a decedent's estate in either of the following ways:

(2) Except as otherwise provided in this subsection, if a claim is presented under subsection (1)(a), a proceeding on the claim shall not be commenced more than 63 days after the personal representative delivers or mails a notice of disallowance to the claimant. For a claim that is not presently due or that is contingent or unliquidated, the personal representative may consent to an extension of the 63-day period or, to avoid injustice, the court, on petition, may order an extension of the 63-day period, but an extension shall not be consented to or ordered if the extension would run beyond the applicable statute of limitations.

(3) A claim by the personal representative against the estate shall be in the form prescribed by supreme court rule. The personal representative must give a copy of the claim to all interested persons not later than 7 days after the time for the claim's original presentation expires. The claim must contain a warning that the personal representative's claim will be allowed unless a notice of objection is delivered or mailed to the personal representative within 63 days after the time for the claim's original presentation expires. This subsection does not apply to a claim for compensation for services rendered or for reimbursement of expenses advanced by the personal representative.