System maintenance details

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System maintenance details

Due to system maintenance, the following services will be unavailable.

Maintenance time
Service Application Interruption begins (ET) Interruption ends (ET)

CRA account (My Account, My Business Account, Represent a Client)

Tax information web service

Identity validation service

CRA Sign in

Business Registration Online

  • All
10:00 pm May 8, 2026 6:00 am May 11, 2026


Page details

2026-05-06