Mich. Comp. Laws § 141.674: Information confidential; divulgence, penalty, discharge from employment.

Sec. 74.

Information gained by the administrator, city treasurer or any other city official, agent or employee as a result of a return, investigation, hearing or verification required or authorized by this ordinance is confidential, except for official purposes in connection with the administration of the ordinance and except in accordance with a proper judicial order.

Any person who divulges this confidential information, except for official purposes, is guilty of a misdemeanor and subject to a fine not exceeding $500.00 or imprisonment for a period not exceeding 90 days, or both, for each offense. In addition, an employee of the city who divulges this confidential information is subject to discharge for misconduct.