Mich. Comp. Laws § 123.982
Whenever any state owned land is annexed to any city operating under a special charter as provided in section 1, the city shall be entitled to its proper share from any future distribution of gasoline and motor vehicle weight tax revenues, intangibles tax revenues, state alcoholic liquor tax revenues, sales tax revenues or any other state funds, moneys or grants which by law are required to be distributed among cities, villages, townships or counties. The city and the township from which the territory was detached may agree by joint resolution of their governing bodies as to the prorating between them and between the city and any county agency receiving the funds, moneys or grants in respect to the population in the township of any funds, moneys or grants distributable by the state. A certified copy of the joint resolution shall be filed with the secretary of state and thereafter shall be binding on all parties to the annexation.
MCL 123.982