Sec. 1971. Except as otherwise provided by sections 1912 to 1960, proof of service of all papers required or permitted to be served may be by written acknowledgment of service, by affidavit of the person making service, or by any other proof satisfactory to the court. Proof of such service shall be filed at or prior to the time of hearing.
Service of papers; proof of service; filing.
Mich. Comp. Laws § 600.1971, under REVISED JUDICATURE ACT OF 1961.
Mich. Comp. Laws § 600.1971