Intermittent tax calculation failures in AMER and OCI PROD

Incident Report for Thomson Reuters Corporates

Resolved

We experienced intermittent issues with tax calculation service in the ONESOURCE Indirect Tax Determination - AMER and OCI Production environments between 07:06 AM and 07:12 AM CST on May 16th. The issue is already 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.
Posted May 16, 2026 - 19:08 CDT
This incident affected: Indirect Tax (ONESOURCE Determination Enterprise Cloud (AWS AMER), ONESOURCE Determination Enterprise Cloud (OCI AMER)).