Contact us
Call us
For information or assistance on filling an information return electronically, call the Electronic Media Processing Unit (EMPU) at:
- Call within Canada: 1-800-665-5164, between 7:00 and 17:00 (EST)
- Call from outside of Canada: 613-940-8599
For information about completing slips and summaries:
- Call within Canada: 1-800-959-5525
- Call from outside of Canada: 613-940-8497
- Alternatively, refer to: Filling out slips and summaries
Electronic Filing hours of operation
Information returns can be filed only during the following hours, every day of the week.
| Time Zone | Hours of service |
|---|---|
| British Columbia and Yukon (Pacific Time) |
3 a.m. to 12 a.m. |
| Alberta, Saskatchewan, Northwest Territories, and Nunavut (Mountain Time) |
4 a.m. to 1 a.m. |
| Manitoba, Northwest Territories, and Nunavut (Central Time) |
5 a.m. to 2 a.m. |
| Ontario, Quebec, and Nunavut (Eastern Time) |
6 a.m. to 3 a.m. |
| New Brunswick, Nova Scotia, and PEI (Atlantic Time) |
7 a.m. to 4 a.m. |
| Newfoundland and Labrador (Newfoundland Time) |
7:30 a.m. to 4:30 a.m. |
Electronic mailing list
This list provide filers of information returns (such as T4 and T5 returns) with email updates about important new information on our website.
To subscribe or unsubscribe for email updates about electronic filing, refer to: Electronic mailing list - Electronic Filing of Information Returns.
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