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 2026.05.08 patch is being applied in the PROD environments (EMEA, MENA, and AMER) on October 19, 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.
