Some Treasury call centers and web platforms will be temporarily unavailable during the November system upgrades.
Review the Outage List
Data Sharing - Law Enforcement
Data Sharing - Law Enforcement
Law Enforcement Confidential Requests
Department of Treasury complies with criminal subpoenas and search warrants by providing requested information.
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Michigan State Police Users
Michigan State Police, as a state agency, should request information following the instructions on the Data Sharing - State Agencies webpage.
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Submit Michigan Subpoenas
Pursuant to MCR 2.106 (G[AC4.1]), Michigan subpoenas must be hand delivered or submitted to the Michigan Department of Treasury via certified mail to:
430 W. Allegan St, Lansing, MI 48912
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Federal Subpoenas, Search Warrants, and Other Requests
All other law enforcement requests for confidential Michigan Treasury tax information can be submitted and tracked through the Michigan Disclosure Request System.
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Michigan Disclosure Request System
Users login through MiLogin for business and request access to the Michigan Disclosure Request System following the user guide.