Mich. Ct. R. 5.118 (2026)

(A) Documents Subject to Hearing. A person who has filed a document that is subject to a hearing may amend or supplement the document (1) before a hearing if notice is given pursuant to these rules, or

(2) at the hearing without new notice of hearing if the court determines that material prejudice would not result to the substantial rights of the person to whom the notice should have been directed. (B) Documents Not Subject to Hearing. A person who has filed a document that is not subject to a hearing may amend or supplement the document if service is made pursuant to these rules.