Mich. Comp. Laws § 168.888
The board of state canvassers shall have the right and authority to demand and cause the ballot boxes, poll books, tally sheets, the statement of votes returned in connection with any such election, and such other documents and reports as may be deemed necessary, to be brought before the several boards of county canvassers, and shall order that a concurrent recount of the votes upon any office or proposition petitioned for under the provisions of sections 861 et seq. hereof, where such votes appear upon the same ballots as those which are to be recounted by the board of state canvassers, be conducted, which concurrent recount shall be under the exclusive jurisdiction and control of the said board of state canvassers. All ballots, poll lists, tally sheets, returns and reports shall be safely guarded and when no longer required shall be delivered to the officials charged with the custody thereof.
MCL 168.888