Thomson Reuters incident

Intermittent tax calculation failures in AMER and OCI PROD

Notice Resolved View vendor source →

Thomson Reuters experienced a notice incident on May 17, 2026 affecting ONESOURCE Determination Enterprise Cloud (AWS AMER) and ONESOURCE Determination Enterprise Cloud (OCI AMER), lasting —. The incident has been resolved; the full update timeline is below.

Started
May 17, 2026, 12:08 AM UTC
Resolved
May 17, 2026, 12:08 AM UTC
Duration
—
Detected by Pingoru
May 17, 2026, 12:08 AM UTC

Affected components

ONESOURCE Determination Enterprise Cloud (AWS AMER)ONESOURCE Determination Enterprise Cloud (OCI AMER)

Update timeline

  1. resolved May 17, 2026, 12:08 AM UTC

    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.