Release and system maintenance schedule
This table lists dates and times ONESOURCE Trust Tax and Trust Tax Insight will be unavailable in 2026 due to a scheduled event, such as a release or system maintenance.
All times listed are Central Time (CT).
Date | Scheduled event | Product unavailable beginning at | Product available again by |
|---|---|---|---|
February 18-19 (Wed-Thurs) | 26.01 Release | 10 PM February 18 | 2 AM February 19 |
March 21-22 (Sat-Sun) | System Maintenance | 8 PM March 21 | 10 AM March 22 |
April 22-23 (Wed-Thurs) | 26.02 Release | 8PM April 22 | 12 AM April 23 |
May 23-24 (Sat-Sun) | System Maintenance | 8 PM May 23 | 10 AM May 24 |
June 20-21 (Sat-Sun) | System Maintenance | 8 PM June 20 | 10 AM June 21 |
June 24-25 (Wed-Thurs) | 26.03 Release | 8 PM June 24 | 12 AM June 25 |
July 17-19 (Fri-Sat) | System Maintenance | 6 PM July 17 | 12 AM July 20 |
July 25-26 (Sat-Sun) | System Maintenance | 8 PM July 25 | 10 AM July 26 |
August 5-6 (Wed-Thurs) | 26.04 Release | 8 PM August 5 | 12 AM August 6 |
August 22-23 (Sat-Sun) | System Maintenance | 8 PM August 22 | 10 AM August 23 |
October 24-25 (Sat-Sun) | System Maintenance | 8 PM October 24 | 10 AM October 25 |
November 11-12 (Wed-Thurs) | 26.06 Release | 8 PM November 11 | 12 AM November 12 |
November 21-22 (Sat-Sun) | System Maintenance | 8 PM November 21 | 10 AM November 22 |
December 26-27 (Sat-Sun) | System Maintenance | 8 PM December 26 | 10 AM December 27 |
December 30-31 (Wed-Thurs) | 27.00 Release | 8 PM December 30 | 12 AM December 31 |
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