Report Suspected Tax Fraud Activity

At the California Department of Tax and Fee Administration (CDTFA) we have an Investigations team whose job it is to identify tax evasion problems, identify new fraud schemes, and actively investigate and assist in the prosecution of crimes committed by individuals who are violating the laws administered by the Department. Tax fraud hurts everyone, so help us help you.

File A Tax Evasion Complaint

Types of evasion:

  • Cannabis Tax Evasion
  • Cigarette and Tobacco Products Tax Evasion
  • Fuel Tax Evasion
  • Sales Tax Evasion


Beware of Tax Collection Scams

The CDTFA has received reports of threatening scam attempts to fraudulently collect alleged tax debts. The CDTFA investigates all reported scam attempts. Follow this link for information about these scams or to report a suspicious telephone call or other communication attempt.