ONESOURCE Income Tax Maintenance

Scheduled Maintenance Report for Thomson Reuters Corporates

Completed

The scheduled maintenance needs to be extended until 8:00 AM central time.
Posted Mar 21, 2026 - 04:00 CDT

In progress

Scheduled maintenance is currently in progress and will continue until 8:00 AM central time.
Posted Mar 20, 2026 - 22:01 CDT

Scheduled

ONESOURCE Income Tax will be undergoing maintenance on Friday, March 20th from 10:00 PM to 4:00 AM central time. During this maintenance you will notice service unavailability and degraded performance.
Posted Mar 20, 2026 - 12:21 CDT
This scheduled maintenance affected: Direct Tax (AMERS Data Query, AMERS Income Tax, AMERS Income Tax API).