Register for the Dedicated Telephone Service

Register only once - you do not have to register each year for the service. If you were previously registered and forgot your Telephone Access Code, please email us at dts-str@cra-arc.gc.ca.

The Canada Revenue Agency's (CRA) Dedicated Telephone Service (DTS) for income tax service providers helps you find the information you need to interpret the provisions of the Income Tax Act.

The DTS is available to small and medium income tax service providers who prepare, or assist in the preparation of, Canadian income tax returns on behalf of individuals or businesses. Specialized tax professionals who represent large firms (those with more than 50 partners) are not eligible for this service.

I am a small or medium income tax service provider

  • No
  • Yes

    I understand that the purpose of the DTS is to direct me to CRA guidance and technical positions that can help answer my interpretive income tax questions, and that DTS officers do not have access to taxpayer accounts.

    • No
    • Yes

      I understand that in order to provide the most accurate and relevant information possible, DTS Officers will not provide an immediate verbal response to my question over the telephone.

      • No
      • Yes

        I understand that DTS officers cannot assist with tax planning or provide tax advice, or otherwise comment on a specific taxpayer’s situation.

        • No
        • Yes

          I understand that the income tax treatment of any specific transaction will only be confirmed by the Income Tax Rulings Directorate in the context of an advance income tax ruling request.

          • No
          • Yes

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