Mich. Comp. Laws § 600.425

Sec. 425. Not later than 30 days before a proposed plan of concurrent jurisdiction under this chapter is submitted to the supreme court for approval, the plan shall be submitted to the local funding unit or units for their review of the plan's financial implications. Consistent with article VII, section 8 of the state constitution of 1963, the cost of implementing a plan of concurrent jurisdiction is subject to approval by the funding unit or units through the funding units' budgeting process.