Release and maintenance schedule

important
We base these dates, events, and details on recent estimates and are subject to change as we learn more throughout the year.

Indirect Tax Compliance

ONESOURCE Indirect Compliance schedule 2026
Release
UAT date
(11pm - 12am EST/12am - 1am EST)
EMEA
(7:30pm - 10:30pm EST/8:30pm - 12:30pm)
APAC
(8am - 12pm EST/9am - 1pm EST)
OIC 2026.01
5th Jan 2026
9th Jan 2026
8th Jan 2026
OIC 2026.02
2nd Feb 2026
6th Feb 2026
5th Feb 2026
OIC 2026.03
2nd Mar 2026
6th Mar 2026
5th Mar 2026
OIC 2026.04
30th Mar 2026
3rd Apr 2026
2nd Apr 2026
OIC 2026.05
4th May 2026
7th May 2026
6th May 2026
OIC 2026.06
1st Jun 2026
5th Jun 2026
4th Jun 2026
OIC 2026.07
29th Jun 2026
3rd Jul 2026
4th Jun 2026
OIC 2026.08
3rd Aug 2026
7th Aug 2026
6th Aug 2026
OIC 2026.09
31st Aug 2026
4th Sep 2026
3rd Sep 2026
OIC 2026.10
5th Oct 2026
9th Oct 2026
8th Oct 2026
OIC 2026.11
2nd Nov 2026
6th Nov 2026
5th Nov 2026
OIC 2026.12
30th Nov 2026
4th Dec 2026
3rd Dec 2026

Sales and Use Tax

ONESOURCE Sales and Use Tax schedule 2025
Release
Data Center production date
(Deployment starts at 12:00 AM CT and ends at 04:00 AM CT)
25.01.1
Friday, January 31, 2025
25.02.1
Friday, February 28, 2025
25.03.1
Friday, March 28, 2025
25.04.1
Tuesday, April 29, 2025
25.05.1
Thursday, May 30, 2024
25.06.1
Friday, June 27, 2025
25.07.1
Tuesday, July 29, 2025
25.08.1
Friday, August 29, 2025
25.09.1
Tuesday, September 30, 2025
25.10.1
Friday, October 31, 2025
25.11.1
Tuesday, November 25, 2025
25.12.1
Tuesday, December 30, 2025