Mich. Comp. Laws § 45.102

Sec. 2. The question shall not become effective unless it is approved by a majority of the qualified electors voting thereon in each county affected. Notice of the submission shall be given as required by law in the election of county officers and shall be submitted in substantially the following form: "Shall the boundary of the county of ........... be adjusted to include all of the ....(city).... of .............? Yes ( ) No ( )" The result of the vote shall be certified by the secretary of state. If a majority of the electors of each county voting thereon vote in favor of the question, it shall be in full force and effect and the secretary of state shall certify the adjustment.