Mich. Comp. Laws § 113.18
Upon receiving the transcript of the proceedings in submitting to a vote of the electors the question of vacating the incorporation of any city, properly certified to as provided in the preceding section, the county clerk shall lay the same before the board of supervisors of the county at its next regular annual meeting, and it shall thereupon be the duty of the board of supervisors to pass a resolution vacating the incorporation of such city. Such resolution shall provide that the territory of such city shall revert to and become a part of the township or townships from which it was originally taken, and that the inhabitants thereof shall for all purposes be deemed residents of such township or townships except that the integrity of all representative districts shall be preserved.
MCL 113.18