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.
Calls from anywhere in Canada and the United States
Individuals | 1-855-284-5942 |
Non-resident corporations and corporation accounts | 1-855-284-5944 |
Non-resident trusts | 1-855-284-5942 |
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. Please note that you may hear a beep and experience a normal connection delay.)
Individuals | 1-613-940-8495 |
Non-resident corporations and corporation accounts | 1-613-940-8497 |
Non-resident trusts | 1-613-940-8495 |
Part XIII tax and Non-resident withholding accounts | 1-613-940-8499 |
Fax numbers
Individuals | 1-613-941-2505 |
Non-resident corporations, corporation accounts, and trusts | 1-613-952-3845 |
Part XIII tax and Non-resident withholding accounts | 1-613-941-6905 |
Hours of telephone service
Individuals and non-resident trusts – within Canada and the U.S.A.
8:15 a.m. to 5:00 p.m. from Monday to Friday (local time)
Individuals and non-resident trusts – outside Canada and the U.S.A.
6:45 a.m. to 8:00 p.m. from Monday to Friday (Eastern time)
Non-resident corporations and corporation accounts – within Canada and the U.S.A.
8:15 a.m. to 8:00 p.m. from Monday to Friday (local time)
Non-resident corporations and corporation accounts – outside Canada and the U.S.A.
7:15 a.m. to 6:00 p.m. from Monday to Friday
(Eastern time, year-round)
Part XIII Tax and non-resident withholding accounts
7:15 a.m. to 6:00 p.m. from Monday to Friday
(Eastern time, year-round)
Part XIII Tax and non-resident withholding accounts – outside Canada and the U.S.A.
7:15 a.m. to 6:00 p.m. from Monday to Friday
(Eastern time, year-round)
International Tax Services Office addresses and fax numbers
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