Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.5307

Sec. 5307. (1) The department shall review, generally in priority order, any planning documents for projects in the fundable range and either approve or disapprove a planning document within 120 days after notifying the municipality of its inclusion in the intended use plan submitted under section 5306.  1 Upon determination by the department that a project is complex and warrants additional review, the department shall notify the municipality and may extend the review period described in this subsection for not more than 60 days.

(2) If a planning document is disapproved, the department shall notify the municipality of any deficiencies that need to be corrected.The municipality shall correct any deficiencies and submit an amended planning document to the department within 45 days after receiving notice under this subsection.

(3) The department shall review subsequent submittals and either approve or disapprove an amended planning document within 90 days after the amended planning document is submitted.

(4) If an amended planning document is not approved, the department shall notify the municipality of the deficiencies.