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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Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Jan 12, 2026 - 12:00 CST
Scheduled
We are performing an urgent ONESOURCE Determination Enterprise Cloud platform maintenance activity in the PROD environment on January 12, 2026, between 12:00 PM - 1:00 PM CST. You might encounter occasional errors with the User Interface and REST APIs during this activity, which may result in temporary tax calculation issues. If this happens, simply try your request again.
