Michigan Compiled Laws, Chapter 600. Revised Judicature Act of 1961 § 600.8406

Sec. 8406. (1) The date for the appearance of the defendant provided in the notice shall not be less than 15 days nor more than 45 days after the date of the notice. The person filing the claim shall receive from the clerk a copy of the affidavit and notice of hearing. The plaintiff shall appear on the date shown in the notice of hearing and have all books, papers, and witnesses necessary to prove the claim. If the notice is not served upon the defendant at least 7 days before the appearance date, the plaintiff may apply to the clerk or deputy clerk for a new notice setting a new date for the appearance of the defendant which shall be not less than 15 days nor more than 30 days after the date of the issuance of the new notice.

(2) If a defendant is not personally served or did not sign the certified mail return receipt at least 7 days before the appearance date, there shall not be jurisdiction to render judgment, unless the defendant appears on the appearance date and does not request a continuance. If the defendant was not served within the minimum time specified, the matter, upon request of either party, shall be continued for not less than 7 days.