The Criminal Investigations Unit investigates taxpayer and tobacco fraud.

To report taxpayer or tobacco tax fraud call Criminal Investigations at:
602-542-4023

Use the links below to report via email.

The Internal Audit Unit investigates vendor and DOR employee fraud.

To report vendor or Department of Revenue employee fraud, call the Anti-Fraud hotline at:
888-541-1307
(Vendor fraud related to tax issues should be directed to the Criminal Investigations Unit.)