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:

Electronic Filing hours of operation

Information returns can be filed only during the following hours, every day of the week.

National hours of operation by time zone
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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