Michigan Compiled Laws, Chapter 500. Insurance Code of 1956 § 500.6302

Sec. 6302. (1) A document, material, or information related to an investigation of the anti-fraud unit is confidential by law and privileged, is not subject to the freedom of information act, 1976 PA 442, MCL 15.231 to 15.246, is not subject to subpoena, and is not subject to discovery or admissible in evidence in any private civil action. However, the director may use the documents, materials, or information in the furtherance of any supervisory activity or legal action brought as part of the director's duties.

(2) The director, or any person that received documents, materials, or information while acting on behalf of the anti-fraud unit, is not permitted and may not be required to testify in any private civil action concerning any confidential documents, materials, or information described in subsection (1).

(3) To assist in the performance of the anti-fraud unit's duties, the director may do any of the following:

(4) The director shall maintain as confidential and privileged any documents, materials, or information received under subsection (3)(b) with notice or the understanding that the documents, materials, or information is confidential and privileged under the laws of the jurisdiction that is the source of the documents, materials, or information.

(5) The disclosure of any documents, materials, or information to the director, or the sharing of documents, materials, or information under subsection (3), is not a waiver of, and must not be construed as a waiver of, any privilege applicable to or claim of confidentiality in those documents, materials, or information.