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.
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ONESOURCE Determination Enterprise Cloud – Version 2026.05 Release Information (UAT AMER environment)
Scheduled for Aug 27, 04:00 - 10:00 CDT
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Scheduled
ONESOURCE Determination Enterprise Cloud – Version 2026.05 is being deployed in the UAT AMER environment on August 27, 2026. Your access to the tax calculation services and the application will not be interrupted.
This scheduled maintenance affects: Indirect Tax (ONESOURCE Determination Enterprise Cloud (AWS AMER), ONESOURCE Determination Enterprise Cloud (OCI AMER)).