Mich. Comp. Laws § 110.12
The council shall also in the said month of September, or in said month of May where the council has decided to have the taxes levied and paid in 2 installments as authorized in section 2 of chapter 30, pass an ordinance, to be termed the annual appropriation bill, in which they shall make provision for, and appropriate the several amounts required to defray the expenditures and liabilities of the corporation for the next fiscal year payable from the several general funds, and from the street district funds as estimated and determined upon, as provided in section 10 of this chapter, and order the same, or so much of such amounts as may be necessary, to be raised by tax with the next general tax levy, or with the city or July tax levy where the council has decided to have the taxes levied and collected in 2 installments, or by loans, or both, and to be paid into the several general funds and street district funds of the city; but the whole amount so ordered to be raised by tax or loan, or by both, shall not, except as herein otherwise provided, exceed the amount which the city is authorized by sections 5, 6 and 9 of this chapter, to raise by general tax during the year. The council shall specify in such ordinance the objects and purposes for which such appropriations are made, and the amount appropriated for each object or purpose, and to each of the general funds and street district funds. The council shall also designate in the appropriation bill the sums, if any, required to be levied to meet any deficiency for the current year, and the amount or part of any special assessment, or other sum which they require to be levied or re-assessed as mentioned in section 11 of this chapter, and the disposition to be made of such moneys, and shall also designate in said bill any local improvements which they may deem advisable to make during the next fiscal year to be paid for in whole or in part by special assessments, and the estimated cost thereof.
MCL 110.12