CRA Interruption of services for annual conversion from Oct 17-20, 2025

The following Canada Revenu Agency (CRA) services will be temporarily unavailable from Friday, October 17, 2025, at 11:00 p.m. ET until Monday, October 20, 2025, at 8:30 a.m. ET:

• EFILE online services (Register for EFILE, Yearly renewal, Account maintenance and Transmission history)

The following services will be temporarily unavailable from Friday, October 17, 2025, at 11:00 p.m. eastern time until Monday, October 20, 2025, at 6:00 a.m. eastern time:

• Transmission of T1, T2, and T3 returns
• ReFILE service
• Foreign reporting transmission web services, such as Forms T1134 and T1135
• AgriStability/AgriInvest Corporation forms transmission web service
• Transmission web service for business authorizing or cancelling a representative
• Client Data Enquiry service
• Auto-fill my return service
• Notice of assessment in tax software
• Email notifications from the CRA
• Special Elections and Returns web services (T1 and T2)

On October 20, 2025, you will receive a message inviting you to renew your participation for the 2026 EFILE program.