Reporting suspected tax fraud activity

December 22, 2021

The Wisconsin Department of Revenue (DOR) is reminding the public to report suspected tax fraud activity.

The DOR’s protection efforts include relying on tips from individuals to help identify fraudulent activity. Tipsters can remain anonymous.

To report suspected tax fraud activity, individuals can either do so online or by mail. The DOR asks tipsters to provide as much information as possible to help identify suspicious activity. Learn more.

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