Mich. Comp. Laws § 550.6
During the period of any such calamity or emergency no suit at law or in equity shall be commenced or brought on for hearing, in any court of this state, for the enforcement of demands upon or against any insurance company when the payment thereof has been prohibited, suspended, or otherwise regulated by the commissioner of insurance pursuant to this act, nor shall proceedings be taken in any such court or by the state treasurer to satisfy any judgment obtained by any policyholder, or his assignee in any proceeding had or taken to enforce said demands. The commissioner of insurance may intervene in any such suit or proceeding by virtue of his office, and he or the defendant company may plead this statute and any regulation or order made pursuant thereto, in temporary bar or stay of any such action or proceeding. The period of such emergency shall be added to any statute limiting the time for commencement of any action to enforce such policy rights, or the issuance of the writ of execution or other mandatory writ enforcing such rights.
MCL 550.6