International tax and non-resident enquiries

For questions about GST/HST, please see Non-resident GST/HST enquiries. For questions about Corporation Internet Filing, please see Corporation Internet Filing Help Desk Hours of Service. For all other questions, see the telephone numbers below.

Office address:

1050 Notre Dame Ave
Sudbury ON  P3A 5C1
Canada

Mailing address:

International tax and non-resident enquiries
Post Office Box 20000, Station A
Sudbury ON  P3A 5C1
Canada

Non-Resident Withholding Division
Sudbury Tax Center
Post Office Box 20000, Station A
Sudbury ON  P3A 5C1
Canada

Calls from anywhere in Canada and the United States

Individuals and non-resident trusts 1-800-959-8281
Non-resident corporations and corporation accounts
(including sole proprietors, partnerships, self-employed individuals, payroll accounts and GST/HST enquiries)
1-800-959-5525
Part XIII tax and non-resident withholding accounts 1-855-284-5946

Calls from outside Canada and the United States

(We accept collect calls by automated response. Contact your service provider or operator to initiate the collect call. You may hear a beep and experience a normal connection delay.)

Individuals and non-resident trusts 613-940-8495
Non-resident corporations and corporation accounts
(including sole proprietors, partnerships, self-employed individuals, payroll accounts and GST/HST enquiries)
613-940-8497
Part XIII tax and non-resident withholding accounts 613-940-8499

Fax numbers

Individuals 1-613-941-2505
Non-resident corporations, corporation accounts, and trusts 1-705-671-0490
Part XIII tax and non-resident withholding accounts 1-705-677-7712 or 1-866-765-8460

Hours of telephone service

Individuals and non-resident trusts – within Canada and the U.S.A.
9 am to 5 pm (local time) from Monday to Friday (except holidays).

Individuals and non-resident trusts – outside Canada and the U.S.A.
9 am to 5 pm (Eastern time) from Monday to Friday (except holidays).

Non-resident corporations and corporation accounts – within Canada and the U.S.A.
9 am to 6 pm (local time) from Monday to Friday (except holidays)

Non-resident corporations and corporation accounts – outside Canada and the U.S.A.
9 am to 6 pm (Eastern time) from Monday to Friday (except holidays)

Part XIII Tax and non-resident withholding accounts – within Canada and the U.S.A.
7:30 am to 6 pm (Eastern time) from Monday to Friday (except holidays)

Part XIII Tax and non-resident withholding accounts – outside Canada and the U.S.A.
7:30 am to 6 pm (Eastern time) from Monday to Friday (except holidays)

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