Michigan Compiled Laws, Chapter 280. Drain Code of 1956 § 280.571

Sec. 571. The board shall continue in existence with such changes in personnel as shall result from appointment of members by the commission. It shall be responsible for the operation and maintenance of district projects. The board shall prepare annually and submit to the commission a tentative budget for the maintenance and operation of district projects together with the percentage of such costs proposed to be assessed against each of the several public corporations. The commission shall give 10 days' notice by registered mail of the hearing on the budget to each public corporation in the district. After such hearing, a budget shall be adopted and the assessment against each public corporation determined.