Mich. Comp. Laws § 110.2
The council of any such city shall have authority, within the limitations herein prescribed, to raise annually by taxation within the corporation such sum of money as may be necessary to defray the expenses and pay the liabilities of the city and to carry into effect the powers in this act granted.
The council of any such city shall have authority to provide by ordinance that the taxes in such city shall be levied and collected in 2 installments, 1 of which installments shall be for the general taxes, and which shall be assessed, levied and payable as provided in the general tax laws of this state, where not inconsistent with the provisions of this act; the other installment of which shall be for city taxes and shall be payable on the first day of July in each year.
MCL 110.2