What to tell us

Tax information is confidential, so please contact us by Internet, by phone, by regular mail or by fax (but not by email).

The following information will help us determine whether we should undertake an audit, investigation or other compliance action. We realize you may not have all the suggested information. However, the more details you provide will help us with the evaluation of your lead.

Information the CRA finds helpful

The following are examples of information that the CRA finds helpful when submitting a lead:

  • names and contact information for the person or people you suspect
    • this can include address, phone, email, and so on
    • Social Insurance Number (SIN) or Business Number (BN)
    • date of birth
    • spouse's name
    • business name
    • names of shareholders if a corporation is involved
    • related companies
  • type of fraud you suspect:
    • income tax
    • provincial tax
    • GST/HST
    • non-filing
    • fraudulent refunds
    • Canada Child Tax Benefit
    • Universal Child Care Benefit
  • specific details of allegation (what, where, when, who and how, etc.)
  • Does the person deal in cash only? What’s done with that cash?
  • supporting documents (invoices, contracts, financial statements, etc.)
  • net worth information
    • assets, including those outside Canada (cash, name and address of banks, house, land, cottage, vehicles, boats, investments, etc.)
    • liabilities (debts, loans, mortgages, credit cards, etc.)
    • personal expenditures (food, housing, trips, restaurants, hobbies, etc.)
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