Michigan Compiled Laws, Chapter 51. Sheriffs § 51.131

Sec. 31. At the time of such delivery, the said former sheriff shall execute an instrument, reciting the property, process, documents, and prisoners delivered, specifying particularly, the process or other authority by which each prisoner was committed, and is detained, and whether the same be returned or delivered to such new sheriff; which instrument shall be delivered to such new sheriff, who shall acknowledge in writing upon a duplicate thereof, the receipt of the property, process, documents and prisoners therein specified, and shall deliver such duplicate and acknowledgment to the said former sheriff.