Mich. Comp. Laws § 500.2033
If any natural person shall ask to be excused from attending and testifying or from producing any books, papers, records, correspondence or other documents at any hearing on the ground that the testimony or evidence required of him or her may tend to incriminate him or her or subject him or her to a penalty or forfeiture, and shall notwithstanding be directed to give testimony or produce evidence, he or she must nonetheless comply with the directions, but he or she shall not be prosecuted or subjected to any penalty or forfeiture for or on account of any transaction, matter or thing concerning which he or she may testify or produce evidence pursuant to this section, and no testimony given or evidence produced shall be received against him or her upon any criminal action, investigation or proceeding. No individual testifying shall be exempt under this section from prosecution or punishment for any perjury committed by him or her while so testifying and the testimony or evidence given or produced shall be admissible against him or her upon any criminal action, investigation or proceeding concerning the perjury, nor shall he or she be exempt from the refusal, revocation or suspension of any license, permission or authority conferred, or to be conferred, pursuant to the insurance code. Any individual may execute, acknowledge and file in the office of the commissioner a statement expressly waiving immunity or privilege in respect to any transaction, matter or thing specified in the statement and the testimony of the person or evidence in relation to the transaction, matter or thing may be received or produced before any judge, court, tribunal, grand jury or otherwise, and if so received or produced the individual shall not be entitled to any immunity or privilege on account of any testimony he or she may give or evidence produced.
MCL 500.2033