Thomson Reuters incident
Once Source Tax Provision and ONESOURCE Uncertain Tax Positions become unavailable to customers
Resolved after 29 minutes, affecting AMERS Tax Provision and AMERS Uncertain Tax Positions, on November 10, 2026.
We are continuing to investigate this issue.
Affected components
Update timeline
- investigating Nov 10, 2026, 04:56 PM UTC
We are currently experiencing an issue with OnceSource Tax Provision and ONESOURCE Uncertain Tax Positions service, which is temporarily unavailable. Our team is actively working to resolve this matter as quickly as possible. We apologize for any inconvenience and appreciate your understanding and patience. Further updates will be provided here as soon as we have more information. If you have any questions, please contact Customer Support.
- investigating Nov 10, 2026, 05:06 PM UTC
We are continuing to investigate this issue.
- resolved Nov 10, 2026, 05:25 PM UTC
This incident has been resolved.
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