Mich. Comp. Laws § 128.152
The circuit court judge or district court judge, upon application, shall issue a summons or venire facias, directed to the sheriff or a constable of the county, commanding the sheriff or constable to summon 18 freeholders residing within the vicinity of the site, who are not related, either by blood or marriage, to the owner of the real estate, and who are not interested in the real estate, to appear before the judge, at the time and place named, not less than 20 or more than 50 days after the time of issuing the summons or venire facias, as a jury to ascertain and determine the just compensation to be made for the real estate required by the board of trustees for burying ground, the necessity for using the same, and to notify the owner or occupant of the real estate, if the owner can be found in the county, of the time when and the place where the jury is summoned to appear and the object for which the jury is summoned. The notice shall be served at least 10 days before the time specified in the summons or venire facias for the jury to appear.
MCL 128.152