Sec. 12. Proof of publication and service may be made by affidavit of any person having knowledge of the facts. Such proof shall be filed with the court on or before the day of hearing, and thereupon the court shall have jurisdiction of the subject matter involved in the proceedings and of the parties interested therein.
Mich. Comp. Laws § 213.182
Order for appearance; proof of publication and service; filing
1925, Act 352, Imd
Official source: Michigan Legislature. Reproduced from public-domain Michigan statutes; confirm against the official source for the current text. Not legal advice.