Mich. Comp. Laws § 26.12

Sec. 12. Such contractor shall, within 60 days after receiving the final manuscripts of any volume from the reporter, deliver to the state librarian at Lansing, free of cost for publication or delivery, 375 copies of the Michigan reports and 25 copies of the advance sheets of Michigan reports, in good order and according to contract, to be distributed by the state librarian as authorized in writing from time to time by the justices of the supreme court.