Skip to main content
Welcome to the Thomson Reuters Corporate Tax and Trade Status page – This is the centralized resource for real-time visibility into the performance and availability of all Thomson Reuters Corporate Tax and Trade products.
This portal provides updates on service status, ongoing incidents, scheduled maintenance, and performance issues across our Corporate Tax and Trade product suite. Our goal is to keep you informed with timely, accurate information so you can plan your work accordingly.
For proactive notifications, subscribe to updates to receive alerts about status changes and incidents affecting your specific Corporate Tax and Trade products.
ONESOURCE Determination Enterprise Cloud – Version 2026.05.08 Patch Information (UAT environments)
Scheduled Maintenance
Report for Thomson Reuters Corporates
Completed
The scheduled maintenance has been completed.
In progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Scheduled
ONESOURCE Determination Enterprise Cloud – Version 2026.05.08 patch is being applied in the UAT environments (EMEA, MENA, and AMER) on October 16, 2026, at 4:00 AM CDT. This patch resolves an Oil & Gas issue where Data File Integrator (DFI) of Operating Licenses failed because the Destination Seller License field was enforced as required; it is now correctly optional. Your access to the tax calculation services and the application will not be interrupted.
This scheduled maintenance affected: Indirect Tax (ONESOURCE Determination Enterprise Cloud (AWS AMER), ONESOURCE Determination Enterprise Cloud (AWS EMEA), ONESOURCE Determination Enterprise Cloud (OCI AMER), ONESOURCE Determination Enterprise Cloud (OCI MENA)).