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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.
UAT - ONESOURCE Platform Database Maintenance - October 2026.
Scheduled for Oct 24, 03:00 - 09:00 CDT
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Scheduled
ONESOURCE Platform will be undergoing scheduled maintenance in UAT on Saturday, Oct 24, 3:00 AM – 9:00 AM CDT
ONESOURCE Platform will be unavailable from Saturday Oct 24, 3:00 AM CDT to 5:00 AM CDT. In case of any issues, we recommend the users to please retry.
We appreciate your patience and understanding. If you have any urgent inquiries or require assistance during this maintenance period, please contact our support team. Thank you for your cooperation.
ONESOURCE Platform will be unavailable from Saturday Oct 24, 3:00 AM CDT to 5:00 AM CDT. In case of any issues, we recommend the users to please retry.
We appreciate your patience and understanding. If you have any urgent inquiries or require assistance during this maintenance period, please contact our support team. Thank you for your cooperation.
This scheduled maintenance affects: Platform (AMERS UAT (uat.onesourcetax.com), AMERS UAT (uat.onesourcelogin.com)).