Mich. Comp. Laws § 124.22: Conditional transfer of property; period; written contract; renewal.

Sec. 2.

Two or more local units may conditionally transfer property for a period of not more than 50 years for the purpose of an economic development project. A conditional transfer of property shall be controlled by a written contract agreed to by the affected local units.

A contract under this act may be renewed for additional periods of not to exceed 50 years upon approval of each legislative body of the affected local units.