Thomson Reuters incident
Intermittent failures for Tax calculations in AMER PROD
Thomson Reuters is currently experiencing a notice incident affecting ONESOURCE Determination Enterprise Cloud (AWS AMER), which began 56 min ago. The vendor's full update timeline is below.
Affected components
ONESOURCE Determination Enterprise Cloud (AWS AMER)
Update timeline
- monitoring May 11, 2026, 07:20 AM UTC
Dear Customers, We had experienced intermittent issues with tax calculation service (REST API) and Authentication token generations in the ONESOURCE Indirect Tax Determination - AMER Production environment between 01:54 AM and 2:08 AM EST . The issue is mitigated. We apologize for any inconvenience and appreciate your understanding and patience. Further details will be provided in the formal RCA. If you have any questions, please contact Customer Support.