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) CRA Sign in Business Registration Online, NETFILE for Individuals (T1), EFILE for Individuals (T1), Corporation Internet Filing (T2), EFILE for Trusts (T3), Auto-fill my return (AFR), Client Data Enquiry, Foreign reporting web services (e.g., T1134, T1135), Notice of assessment via Tax Software, AgriStability/AgriInvest, Corporation Forms submission service, ReFILE service, CRA email notifications, T1 Special Elections and Returns web service, T1 and T2 Special Elections and Returns web services, EFILE online services: Register for EFILE, yearly renewal, and account maintenance.	All	11 pm January 9, 2026	6 am January 12, 2026
Tax information web service	Auto-fill my return	11 pm January 9, 2026	6 am January 12, 2026
My Business Account	Payroll File a return Internet file transfer Web forms View returns details Download reports PIER Overview Information Returns File a return Internet file transfer Web forms View returns details Download notifications of errors for Part XVIII Download notifications of errors for Part XIX Download reports TFSA File a return Internet file transfer Web forms View Return detail Download rejected TFSA individual records Download reports Partnerships File a return Internet file transfer Webform Download reports Contract Payments (T5018) File a return Internet file transfer Web forms View return details Download reports	3 am December 23, 2025	6 am January 12, 2026
Represent a Client	Payroll File a return Internet file transfer Web forms View returns details Download reports PIER Overview Information Returns File a return Internet file transfer Web forms View returns details Download notifications of errors for Part XVIII Download notifications of errors for Part XIX Download reports TFSA File a return Internet file transfer Web forms View Return detail Download rejected TFSA individual records Download reports Partnerships File a return Internet file transfer Webform Download reports Contract Payments (T5018) File a return Internet file transfer Web forms View return details Download reports	3 am December 23, 2025	6 am January 12, 2026

Page details

2026-01-07