Mich. Comp. Laws § 280.467
The drainage board, at its first meeting, shall consider the petition for the project and make a tentative determination as to the sufficiency of the petition and the practicability of the proposed drain, and shall further make a tentative determination of the public corporations to be assessed. The drainage board shall give a name to the drain and to the drainage district. The district shall be composed of the public corporations to be assessed for the cost of the project. After the drainage board has made the determination it shall fix a time, date, and place it will meet to hear objections to the proposed drain and the petition for the drain, and to the matter of assessing the cost of the drain to the designated public corporations. Notice of the hearing shall be published twice in the county by inserting the notice in at least 1 newspaper published in the county, designated by the drainage board, with the first publication to be not less than 20 days before the time of the hearing. The notice shall also be sent by registered mail to the clerk or secretary of each public corporation proposed to be assessed, except that a notice to the state shall be sent to the state highway director and a notice to a county shall be sent to both the county clerk and the county road commission. The mailing shall be made not less than 20 days before the time of the hearing. The notice shall be signed by the chairperson and proof of the publication and mailing of the notice shall be filed in his or her office. The drainage board may provide a form to be substantially followed in the giving of the notice. After the hearing, the drainage board shall make a determination as to the sufficiency of the petition, the practicability of the drain, whether the drain should be constructed, and if so, the public corporations to be assessed, and shall issue its order accordingly. The order shall be known as the final order of determination. A public corporation shall not be eliminated from, or added to, those tentatively determined to be assessed without a rehearing after notice.
MCL 280.467