Mich. Comp. Laws § 81.3

Sec. 3. Any 100 or more registered electors residing within a village may present to the village council a petition setting forth the population of the village as shown by the census, and asking that the village be incorporated as a city of the fourth class. If the village council is satisfied that the village contains the population required in section 2 of this chapter, the village council shall by resolution to be entered upon the record of their proceedings, reciting the presentation of the petition and the object of the petition, and that the village contains the requisite population, submit the question as to whether the village shall be incorporated as a city of the fourth class to a vote of the electors of the village at the next annual village election.