Hours of service
Routine system maintenance
Due to system maintenance, some services will be temporarily unavailable starting 11:00 pm on Friday May 10, 2024 until 6:00 am on Monday May 13, 2024 ET.
View service maintenance details
The CRA online services are available 21 hours a day. Due to daily maintenance activities, the services are not available for three hours a day from 3 am to 6 am (Eastern time).
The CRA online services may also be unavailable during the following maintenance schedule:
- Friday, February 2, 2024 until Monday, February 5, 2024
- Friday, May 10, 2024 until Monday, May 13, 2024
- Friday, October 18, 2024 until Monday, October 21, 2024
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