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Report Suspected Tax Fraud

Report Suspected Tax Fraud

What To Send To Us

Please include as much detail as possible about the suspected business or individual(s) including, if available:

  • Name
  • Address
  • Federal Employer Identification Number (FEIN) or Social Security number (SSN)
  • Description of the alleged fraud or criminal activity
  • Type of Michigan tax involved
  • Date the activity took place
Due to confidentiality, investigations and results will not be shared with you.  You may remain anonymous if you prefer.

Ways To Report Suspected Tax Fraud

By Email

ReportTaxFraud@Michigan.gov

By Phone

517-636-4157

Leave a voicemail.

Please speak slowly and clearly.

By Fax

517-763-0258

By Mail

Discovery and Tax Enforcement 
Michigan Dept of Treasury
Attn: Fraud Unit
P.O. Box 30140

Lansing, MI 48909