Mich. Comp. Laws § 8.3n

Sec. 3n. In all cases in which the seal of any court or public office is required to be affixed to any paper or electronic document issuing from the court or office, the word "seal" shall be construed to include any of the following: (a) The impression of the seal on the paper alone. (b) The impression of the seal affixed to the paper by means of a wafer or wax. (c) The seal affixed electronically on the paper or affixed to an electronic document.