Mich. Comp. Laws § 211.41
Before the supervisor or assessing officer delivers the roll to the township treasurer or city collector, he or she shall carefully foot the several columns of valuation and taxes, and make a detailed statement, which he or she shall give the clerk of his or her township or city, and the clerk shall immediately charge the amount of taxes to the township treasurer or city collector. The clerk of each city and incorporated village shall report to the clerk of their respective counties all taxes levied in their respective cities or villages, and not included in the general tax levy, on or before the first day of October in each year. The county clerk shall, within 30 days after the close of the annual session of the board of supervisors in October in each year, forward to the state treasurer, to be filed in his or her office, a statement showing the aggregate valuation of all property as assessed in each assessing precinct within the county during the current year. The state treasurer shall include in the statement a detail of all taxes to be raised in the county for that year and the amount of taxes not included in the general tax levy, reported to him or her by the several city and village clerks as provided in this section.
MCL 211.41