Mich. Comp. Laws § 487.944

Sec. 4. (1) A financial institution closing or not opening an office or offices under section 3 shall give notice to the commissioner and any other appropriate governmental entity as required by law. (2) A financial institution that closes or does not open an office or offices under section 3 shall reopen the office or offices as soon as the chief executive officer or other designated officer determines that the emergency is ended or as authorized or ordered by the commissioner.