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e-service Helpdesk for businesses
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e-service Helpdesk for businesses

How you can contact us
e-service Helpdesk for businesses
To get help using GST/HST NETFILE, GST/HST TELEFILE, and T4 Internet filing
1-877-322-7849
If you're calling from outside Canada and the United States, call us collect at (204) 984-0120
TTY e-service Helpdesk for businesses

1-888-768-0951

e-service Helpdesk hours of service
Time zone Monday to Friday
Pacific Time 5:00 a.m. to 5:00 p.m.
Mountain Time 6:00 a.m. to 6:00 p.m.
Central Time 7:00 a.m. to 7:00 p.m.
Eastern Time 8:00 a.m. to 8:00 p.m.
Atlantic Time 9:00 a.m. to 9:00 p.m.
Newfoundland Time 9:30 a.m. to 9:30 p.m.
Outside Canada and the US (Central Time) 7:00 a.m. to 7:00 p.m.

Notes:

  1. The e-service Helpdesk is not available on weekends and statutory or civic holidays.
  2. If your question is about a screen, please have the screen reference number handy. You will find the number at the bottom right corner of your screen. If your question is about an error message, please have the message and error number handy.
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Date modified:
2006-01-27 		Top of page
Top of page 		Important notices