Michigan Compiled Laws, Chapter 722. Children § 722.115l

Sec. 5l.(1) A person acting in good faith who makes a report, cooperates in an investigation, or assists in any other requirement of this act is immune from civil or criminal liability that might otherwise be incurred by that action. A person making a report or assisting in any other requirement of this act is presumed to have acted in good faith. This immunity from civil or criminal liability extends only to an act performed according to this act for reporting a potential violation or assisting or cooperating with the department in an investigation conducted by the department.

(2) Except as provided in section 10(3),  1 the identity of a person making a report and cooperating with or assisting the department relative to that report under this act is confidential, subject only to disclosure with the consent of that person or by judicial process.

(3) If the department receives a complaint by an individual remaining anonymous, the department may take no action on the complaint if the complaint does not include sufficient information to reasonably investigate.

(4) A person who intentionally makes a false report to the department regarding a child care organization that causes the department to initiate a special investigation that the department classifies as high-risk for which the child care organization is required to send notice under section 3f  2 is guilty of a crime as follows: