Michigan Compiled Laws, Chapter 801. Jails and Workhouses § 801.108

Sec. 8. A copy of such instrument of designation, duly certified by the clerk of the county with whom it is filed, under the seal of the circuit or district court thereof, shall be served on the sheriff and keeper of the jail so designated, whose duty it shall be from thenceforth to receive into such jail, and there safely keep, all persons who may be lawfully confined therein, pursuant to the foregoing provisions.