Scheduled Downtime for ONESOURCE E Filing Manager (EFM)

Scheduled Maintenance Report for Thomson Reuters Corporates

Completed

The scheduled maintenance has been completed.
Posted May 28, 2026 - 23:30 CDT

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted May 28, 2026 - 19:30 CDT

Scheduled

Planned maintenance for E Filing service (EFM)
We will be performing maintenance on the E Filing Manager (EFM) to support platform updates and enhancements. During this window, e filing capabilities will be unavailable.

Friday May 29th, 01:30 BST to 05:30 BST

ONESOURCE Corporate Tax (OCT) will remain available, and users can continue working as normal. However, submission and communication with tax authorities will not be possible during this time.
Posted May 25, 2026 - 09:20 CDT
This scheduled maintenance affected: Direct Tax (EMEA (web) Corporate Tax, EMEA (web) E-filing Manager (Corporate Tax)).