Thomson Reuters Corporates Status

ONESOURCE Global Trade - DPS Workflow Intermittent Failure

Identified - We are currently experiencing intermittent issues with the DPS batch Workflow feature with our GTM 4 application . Our team is actively working to resolve this matter as quickly as possible. While we work to mitigate this issue, if you receive a message saying the DPS screening has timed out, please re-submit. We apologize for any inconvenience and appreciate your understanding and patience.

Further updates will be provided here as soon as we have more information. If you have any questions, please contact Customer Support.
Dec 10, 2025 - 10:39 CST

Important Notice: The Legal Solutions Status Has Moved

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 20, 2025 - 23:50 CST

Scheduled - We've migrated Legal Solutions to a new status page. Please visit https://legal-status.thomsonreuters.com for the latest product updates and performance notifications. Update your bookmarks and notification preferences on the new page to continue receiving alerts.

We apologize for any inconvenience and appreciate your understanding during this transition.
Nov 20, 2025 23:50 - Dec 20, 2025 23:50 CST

Platform Operational

AMERS (onesourcetax.com) Operational

AMERS (onesourcelogin.com) Operational

AMERS Administration Operational

AMERS API Administration Operational

AMERS UAT (uat.onesourcetax.com) Operational

AMERS UAT (uat.onesourcelogin.com) Operational

APAC (apac1.onesourcetax.com) Operational

APAC (onesourcelogin.com.au) Operational

APAC Administration Operational

APAC API Administration Operational

EMEA (emea1.onesourcetax.com) Operational

EMEA (onesourcelogin.eu) Operational

EMEA Administration Operational

EMEA API Administration Operational

UAT API Administration Operational

WorkFlow Tools Operational

AMERS Calendar Operational

AMERS Calendar Classic Operational

AMERS FileRoom Operational

AMERS WorkFlow Operational

AMERS WorkFlow Manager Classic Operational

APAC Calendar Operational

APAC Calendar Classic Operational

APAC FileRoom Operational

APAC WorkFlow Operational

APAC WorkFlow Manager Classic Operational

EMEA Calendar Operational

EMEA Calendar Classic Operational

EMEA FileRoom Operational

EMEA WorkFlow Operational

EMEA WorkFlow Manager Classic Operational

Data Tools Operational

AMERS Audit Manager Operational

AMERS DataFlow Operational

AMERS Data Hub Operational

AMERS General Ledger Manager Operational

AMERS R&D Tax Credit Manager Operational

AMERS SAP Trial Balance Integration Operational

AMERS Workpapers Operational

APAC Audit Manager Operational

APAC DataFlow Operational

APAC Data Hub Operational

APAC General Ledger Manager Operational

APAC R&D Tax Credit Manager Operational

APAC SAP Trial Balance Integration Operational

APAC Workpapers Operational

EMEA Audit Manager Operational

EMEA DataFlow Operational

EMEA Data Hub Operational

EMEA General Ledger Manager Operational

EMEA SAP Trial Balance Integration Operational

EMEA R&D Tax Credit Manager Operational

EMEA Workpapers Operational

Direct Tax Operational

AMERS (web) BEPS Action Manager Operational

AMERS DAC6 Reporter Operational

AMERS Data Query Operational

AMERS GoSystem Tax RS Operational

AMERS GoSystem Tax RS API Operational

AMERS Income Tax Operational

AMERS Income Tax API Operational

AMERS State Apportionment Operational

AMERS (legacy) Statutory Reporting Operational

AMERS (web) Statutory Reporting Operational

AMERS (New) Tax Provision Operational

AMERS Tax Provision Operational

AMERS Uncertain Tax Positions Operational

APAC (legacy) Corporate Tax Operational

APAC (web) Corporate Tax Operational

APAC (web) E-filing Manager (Corporate Tax) Operational

APAC (web) Fringe Benefits Tax Operational

APAC (legacy) Statutory Reporting Operational

APAC (web) Statutory Reporting Operational

APAC Tax Provision Operational

APAC Trusts (AU) Operational

APAC Uncertain Tax Positions Operational

EMEA (web) BEPS Action Manager Operational

EMEA (legacy) Corporate Tax Operational

EMEA (web) Corporate Tax Operational

EMEA (web) E-filing Manager (Corporate Tax) Operational

EMEA DAC6 Reporter Operational

EMEA (legacy) Statutory Reporting Operational

EMEA (web) Statutory Reporting Operational

EMEA Tax Provision Operational

EMEA Uncertain Tax Positions Operational

Global Trade Degraded Performance

Global Trade Content Operational

Global Trade - LATAM Operational

Global Trade - pwd by Integration Point Degraded Performance

Govt Connectivity BE - PLDA Operational

Govt Connectivity DE - ATLAS Operational

Govt Connectivity FR - DELTA Operational

Govt Connectivity MX - SAAI/COVE Operational

Govt Connectivity NL - AGS Operational

Govt Connectivity UK - CHIEF/CDS Operational

Govt Connectivity US - ABI/AES Operational

GTM Platform Degraded Performance

Implementation Environment Operational

ONESOURCE Classifier Operational

Transports AS2 Operational

Transports Client Interchange Web Service Operational

Transports FTP Operational

Indirect Tax Operational

ONESOURCE Determination Enterprise Cloud (AWS AMER) Operational

ONESOURCE Determination Enterprise Cloud (AWS EMEA) Operational

ONESOURCE Determination Enterprise Cloud (OCI AMER) Operational

ONESOURCE Determination Anywhere (AWS AMER) Operational

ONESOURCE Determination Anywhere (OCI AMER) Operational

Configuration API (AWS AMER) Operational

Configuration API (AWS EMEA) Operational

Configuration API (OCI AMER) Operational

ONESOURCE Determination Original Cloud (AMER) Operational

ONESOURCE Determination Original Dedicated Cloud (AMER) Operational

ONESOURCE Determination Original Dedicated Cloud (EMEA) Operational

Certificate Manager Original Cloud Operational

Certificate Manager Enterprise Cloud Operational

Reports and Analytics Enterprise Cloud Operational

Reporting - Original Cloud Operational

US Tax Content Operational

Canada Tax Content Operational

International Tax Content Operational

Content Extract Operational

Fast Sales Tax Operational

ONESOURCE Property Tax Operational

ONESOURCE Sales and Use Tax Compliance (AMER) Operational

ONESOURCE Indirect Compliance (APAC) Operational

APAC (web) E-filing Manager (Indirect Compliance) Operational

ONESOURCE Indirect Compliance (EMEA) Operational

EMEA (web) E-filing Manager (Indirect Compliance) Operational

ONESOURCE Indirect Compliance (UAT) Operational

ONESOURCE E-Invoicing (PROD) Operational

ONESOURCE E-Invoicing (UAT) Operational

ONESOURCE Determination - On Premise Operational

ONESOURCE Determination (APAC) Operational

IDT Integrations Operational

Address Validation Service Operational

BigCommerce Operational

Coupa Operational

Data File Integrator - Enterprise Cloud Operational

Data File Integrator - Original Cloud Operational

Microsoft Dynamics 365 - Commerce Cloud Operational

Microsoft Dynamics 365FOE Operational

Microsoft Dynamics AX 2012 Operational

Microsoft Dynamics GP Operational

NetSuite Legacy/Direct Operational

NetSuite SuiteTax Operational

Oracle EBS R12 Operational

Oracle Fusion Tax Cloud - 1.x Operational

Oracle Fusion Tax Cloud - 2.x Operational

Salesforce Subscription Management Operational

SAP 5.2B Basic (RFC) Operational

SAP Ariba - Cloud Operational

SAP Ariba - OnPremise Operational

SAP Ariba - Original cloud Operational

SAP Business One Operational

SAP C4/HANA Commerce Cloud Operational

SAP Global Next Operational

SAP Global Tax Service Operational

SAP US Tax S4/HANA Cloud Operational

Trust & Info Rptg Operational

AMERS NRA - FNIS & Users Website Operational

AMERS Tax Information Reporting Operational

AMERS Trust Tax Operational

AMERS Trust Tax Insight Operational

Legal Solutions Operational

AMERS LEGAL ONE Operational

Legal Tracker - US Operational

Legal Tracker - AUS Operational

Legal Tracker - UK Operational

Legal Tracker - GER Operational

Legal Tracker - CAN Operational

Risk Solutions Operational

AMERS Compliance Learning Operational

AMERS Oden Online (State Rules and Regulations) Operational

AMERS Oden Policy Terminator Operational

AMERS Oden Track (web) Operational

AMERS Regulatory Intelligence Operational

ANZ Compliance Learning Operational

APAC Compliance Learning Operational

APAC Regulatory Intelligence Operational

EMEA Compliance Learning Operational

EMEA Regulatory Intelligence Operational

Tax Brazil Operational

Checkpoint Corporate Operational

ONESOURCE DFe Operational

ONESOURCE Tax Analyser Operational

Tax One for SAP® solutions Operational

Tax Brazil - Tax One Operational

Tax One - Application [AMERS] Operational

Tax One - Application [UAT AMERS] Operational

Sending and Receiving Files [AMERS] Operational

Sending and Receiving Files [UAT AMERS] Operational

File/Email Processing [AMERS] Operational

File/Email Processing [UAT AMERS] Operational

ECF/REINF (messaging/integration) [AMERS] Operational

ECF/REINF (messaging/integration) [UAT AMERS] Operational

Tax Automation [AMERS] Operational

Tax Automation [UAT AMERS] Operational

OBI [AMERS] Operational

OBI [UAT AMERS] Operational

Tax One - Application [EMEA] Operational

Tax One - Application [UAT EMEA] Operational

Sending and Receiving Files [EMEA] Operational

Sending and Receiving Files [UAT EMEA] Operational

File/Email Processing [EMEA] Operational

File/Email Processing [UAT EMEA] Operational

ECF/REINF (messaging/integration) [EMEA] Operational

ECF/REINF (messaging/integration) [UAT EMEA] Operational

Tax Automation [EMEA] Operational

Tax Automation [UAT EMEA] Operational

OBI [EMEA] Operational

OBI [UAT EMEA] Operational

Customer Support Operational

Case Management Dashboard Operational

Platform Operational

Workflow Tools Operational

Data Tools Operational

Direct Tax Operational

Global Trade Operational

Indirect Tax Operational

Trust & Info Rptg Operational

Legal Solutions Operational

Risk Solutions Operational

Tax Brazil Operational

Operational

Degraded Performance

Partial Outage

Major Outage

Maintenance

Scheduled Maintenance

ONESOURCE Oracle Fusion Rate to Regime Content release for US DECEMBER 2025 Nov `25`, `2025` `23:00` - Nov `26`, `2025` `12:30` CST

ONESOURCE Oracle Fusion Rate to Regime Content release Content for US region for DECEMBER 2025 has been released. It is available in both Integration UI and customer portal for download.
Posted on Nov 25, 2025 - 22:52 CST

ONESOURCE Trust Tax System Maintenance Scheduled for December 14 (AMERS) Dec `14`, `2025` `00:00`-`04:00` CST

ONESOURCE Trust Tax and ONESOURCE Trust Tax Insight applications will experience very limited downtime sometime between 12:00 AM (CT) until 4:00 AM (CT) on Sunday, December 14, 2025, while we perform system maintenance.
Posted on Dec 10, 2025 - 15:28 CST

OSPI Platform – EMEA Emergency maintenance for December 2025 Dec `15`, `2025` `11:00`-`17:00` CST

ONESOURCE Platform will be performing emergency maintenance on our systems to ensure optimal performance and reliability. During this maintenance window, certain services may experience some issues. In such cases, we recommend trying after some time. We apologize for any inconvenience this may cause and appreciate your patience and understanding. If you have any urgent inquiries or require assistance during the maintenance period, please contact our support team. Thank you for your cooperation.
Posted on Dec 11, 2025 - 09:47 CST

OSPI Platform – AMER Emergency maintenance for December 2025 Dec `17`, `2025` `00:00`-`06:00` CST

Scheduled System Maintenance Dec `20`, `2025` `11:00`-`19:00` CST

Tracker will be undergoing maintenance and unavailable on Saturday 12/20/2025 , from 9:00 AM PST to 5:00 PM PST.
Posted on Jan 23, 2025 - 12:06 CST

ONESOURCE GTM – AWS Maintenance Dec `21`, `2025` `00:00`-`17:00` CST

Thomson Reuters will be performing scheduled maintenance on Sunday, December 21th, 2025 beginning at 1 AM Eastern time and will conclude by Sunday, December 21th, 2025 at 6 PM Eastern time.

The maintenance will include updates and patches to implementation and production environments. During this maintenance there will be intermittent downtime, and you will not be able to access implementation and production instances.

If you have any questions or concerns, please contact Customer Support.
Posted on Nov 19, 2025 - 10:42 CST

ONESOURCE GTM – AWS Maintenance Dec `21`, `2025` `00:00`-`17:00` CST

ONESOURCE Tax Information Reporting System Maintenance 27th December 2025 (AMERS) Dec `27`, `2025` `22:00` - Dec `28`, `2025` `07:00` CST

ONESOURCE Tax Information Reporting will be unavailable from 10:00 P.M. (CT) on 27th December 2025 until 06:00 A.M. (CT) on 28th December 2025 for scheduled maintenance.
Posted on Aug 20, 2024 - 09:57 CDT

ONESOURCE Tax Information Release OTIR Release 25.06 30th December 2025 (AMERS) Dec `30`, `2025` `19:00` - Dec `31`, `2025` `06:00` CST

ONESOURCE Tax Information Reporting Release 25.06 will be installed from 7:00 P.M. (CT) on 30th December 2025 until 06:00 A.M. (CT) on 31st December 2025. System availability and API's may be affected during release time.
Posted on Aug 20, 2024 - 10:07 CDT

ONESOURCE Global Trade - Single Sign On Certificate Update Jan `2`, `2026` `08:00`-`08:30` CST

Thomson Reuters has updated the certificate that expires on January 5, 2026, for Single Sign-On customer encrypting SAML assertions. This is only applicable if SAML assertions are encrypted on the client side. An email was sent on December 4th with the new certificate for clients to update. Please make sure you update this certificate before January 5, 2025, when it expires.

If you did not receive the certificate AND you encrypt SAML assertions, please send an email to IntegrationPoint@ThomsonReuters.com subject line "SSO Certificate".
Posted on Dec 04, 2025 - 14:51 CST

ONESOURCE GTM – AWS Maintenance Jan `4`, `2026` `00:00`-`17:00` CST

Thomson Reuters will be performing scheduled maintenance on Sunday, January 4th, 2026 beginning at 1 AM Eastern time and will conclude by Sunday, January 4th, 2026 at 6 PM Eastern time.

The maintenance will include updates and patches to implementation and production environments. During this maintenance there will be intermittent downtime, and you will not be able to access implementation and production instances.

If you have any questions or concerns, please contact Customer Support.
Posted on Dec 09, 2025 - 10:52 CST

ONESOURCE GTM – AWS Maintenance Jan `18`, `2026` `00:00`-`17:00` CST

Thomson Reuters will be performing scheduled maintenance on Sunday, January 18th, 2026 beginning at 1 AM Eastern time and will conclude by Sunday, January 18th, 2026 at 6 PM Eastern time.

The maintenance will include updates and patches to implementation and production environments. During this maintenance there will be intermittent downtime, and you will not be able to access implementation and production instances.

If you have any questions or concerns, please contact Customer Support.
Posted on Dec 09, 2025 - 13:44 CST

ONESOURCE Tax Information Release OTIR Release 25.07 17th February 2026 (AMERS) Feb `17`, `2026` `19:00` - Feb `18`, `2026` `06:00` CST

ONESOURCE Tax Information Reporting Release 25.07 will be installed from 7:00 P.M. (CT) on 17th February 2026 until 06:00 A.M. (CT) on 18th February 2026. System availability and API's may be affected during release time.
Posted on Jan 21, 2025 - 04:31 CST

ONESOURCE Tax Information Reporting System Maintenance 21st March 2026 (AMERS) Mar `21`, `2026` `22:00` - Mar `22`, `2026` `07:00` CDT

ONESOURCE Tax Information Reporting and API's will be unavailable from 10:00 P.M. (CT) on 21st March 2026 until 07:00 A.M. (CT) on 22nd March 2026 for scheduled maintenance.
Posted on Nov 20, 2025 - 05:21 CST

ONESOURCE Tax Information Release OTIR Release 26.01 21st April 2026 (AMERS) Apr `21`, `2026` `19:00` - Apr `22`, `2026` `06:00` CDT

ONESOURCE Tax Information Reporting Release 26.01 will be installed from 7:00 P.M. (CT) on 21st April 2026 until 06:00 A.M. (CT) on 22nd April 2026. System availability and API's may be affected during release time.
Posted on Nov 20, 2025 - 05:23 CST

ONESOURCE Tax Information Reporting System Maintenance 25th April 2026 (AMERS) Apr `25`, `2026` `22:00` - Apr `26`, `2026` `07:00` CDT

ONESOURCE Tax Information Reporting and API's will be unavailable from 10:00 P.M. (CT) on 25th April until 07:00 A.M. (CT) on 26th April for scheduled maintenance.
Posted on Nov 20, 2025 - 05:24 CST

ONESOURCE Tax Information Reporting System Maintenance 23rd May 2026 (AMERS) May `23`, `2026` `22:00` - May `24`, `2026` `07:00` CDT

ONESOURCE Tax Information Reporting and API's will be unavailable from 10:00 P.M. (CT) on 23rd May  2026 until 07:00 A.M. (CT) on 24th May 2026 for scheduled maintenance.
Posted on Nov 20, 2025 - 05:25 CST

ONESOURCE Tax Information Release OTIR Release 26.02 16th June 2026 (AMERS) Jun `16`, `2026` `19:00` - Jun `17`, `2026` `06:00` CDT

ONESOURCE Tax Information Reporting Release 26.02 will be installed from 7:00 P.M. (CT) on 16th June 2026 until 06:00 A.M. (CT) on 17th June 2026. System availability and API's may be affected during release time.
Posted on Nov 20, 2025 - 05:26 CST

ONESOURCE Tax Information Reporting System Maintenance 27th June 2026 (AMERS) Jun `27`, `2026` `22:00` - Jun `28`, `2026` `07:00` CDT

ONESOURCE Tax Information Reporting and API's will be unavailable from 10:00 P.M. (CT) on 27th June 2026 until 07:00 A.M. (CT) on 28th June  2026 for scheduled maintenance.
Posted on Nov 20, 2025 - 05:46 CST

ONESOURCE Tax Information Reporting System Maintenance 25th July 2026 (AMERS) Jul `25`, `2026` `22:00` - Jul `26`, `2026` `07:00` CDT

ONESOURCE Tax Information Reporting and API's will be unavailable from 10:00 P.M. (CT) on 25th July 2026 until 07:00 A.M. (CT) on 26th July 2026 for scheduled maintenance.
Posted on Nov 20, 2025 - 05:32 CST

ONESOURCE Tax Information Release OTIR Release 26.03 11th August 2026 (AMERS) Aug `11`, `2026` `19:00` - Aug `12`, `2026` `06:00` CDT

ONESOURCE Tax Information Reporting Release 26.03 will be installed from 7:00 P.M. (CT) on 11th August 2026 until 06:00 A.M. (CT) on 12th August 2026. System availability and API's may be affected during release time.
Posted on Nov 20, 2025 - 05:33 CST

ONESOURCE Tax Information Reporting System Maintenance 22nd August 2026 (AMERS) Aug `22`, `2026` `22:00` - Aug `23`, `2026` `07:00` CDT

ONESOURCE Tax Information Reporting and API's will be unavailable from 10:00 P.M. (CT) on 22nd August 2026 until 07:00 A.M. (CT) on 23rd August 2026 for scheduled maintenance.
Posted on Nov 20, 2025 - 05:34 CST

ONESOURCE Tax Information Release OTIR Release 26.04 20th October 2026 (AMERS) Oct `20`, `2026` `19:00` - Oct `21`, `2026` `06:00` CDT

ONESOURCE Tax Information Reporting Release 26.04 will be installed from 7:00 P.M. (CT) on  20th October 2026 until 06:00 A.M. (CT) on 21st October 2026. System availability and API's may be affected during release time.
Posted on Nov 20, 2025 - 05:35 CST

ONESOURCE Tax Information Reporting System Maintenance 24th October 2026 (AMERS) Oct `24`, `2026` `22:00` - Oct `25`, `2026` `07:00` CDT

ONESOURCE Tax Information Reporting and API's will be unavailable from 10:00 P.M. (CT) on 24th October 2026 until 07:00 A.M. (CT) on 25th October 2026 for scheduled maintenance.
Posted on Nov 20, 2025 - 05:36 CST

ONESOURCE Tax Information Reporting System Maintenance 21st November 2026 (AMERS) Nov `21`, `2026` `22:00` - Nov `22`, `2026` `07:00` CST

ONESOURCE Tax Information Reporting and API's will be unavailable from 10:00 P.M. (CT) on 21st November  2026 until 07:00 A.M. (CT) on 22nd November 2026 for scheduled maintenance.
Posted on Nov 20, 2025 - 05:37 CST

ONESOURCE Tax Information Release OTIR Release 26.05 1st December 2026 (AMERS) Dec `1`, `2026` `19:00` - Dec `2`, `2026` `06:00` CST

ONESOURCE Tax Information Reporting Release 26.05 will be installed from 7:00 P.M. (CT) on 1st December 2026 until 06:00 A.M. (CT) on 2nd December 2026. System availability and API's may be affected during release time.
Posted on Nov 20, 2025 - 05:38 CST

ONESOURCE Tax Information Release OTIR Release 26.06 22nd December 2026 (AMERS) Dec `22`, `2026` `19:00` - Dec `23`, `2026` `06:00` CST

ONESOURCE Tax Information Reporting Release 26.06 will be installed from 7:00 P.M. (CT) on 22nd December 2026 until 06:00 A.M. (CT) on 23rd December 2026. System availability and API's may be affected during release time.
Posted on Nov 20, 2025 - 05:38 CST

ONESOURCE Tax Information Reporting System Maintenance 26th December 2026 (AMERS) Dec `26`, `2026` `22:00` - Dec `27`, `2026` `07:00` CST

ONESOURCE Tax Information Reporting and API's will be unavailable from 10:00 P.M. (CT) on 26th December 2026 until 07:00 A.M. (CT) on 27th December 2026 for scheduled maintenance.
Posted on Nov 20, 2025 - 05:39 CST

ONESOURCE Tax Information Release OTIR Release 26.07 16th February 2027 (AMERS) Feb `16`, `2027` `19:00` - Feb `17`, `2027` `06:00` CST

ONESOURCE Tax Information Reporting Release 26.07 will be installed from 7:00 P.M. (CT) on 16th February 2027 until 06:00 A.M. (CT) on 17th February 2027. System availability and API's may be affected during release time.
Posted on Nov 20, 2025 - 05:48 CST

Past Incidents

Dec 13, 2025

ONESOURCE Trusts [APAC]

Completed - The scheduled maintenance has been completed.
Dec 13, 11:30 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 13, 07:30 CST

Scheduled - ONESOURCE TRUSTS [APAC] will be undergoing scheduled maintenance from Sunday 14th December 00:30 AEDT to 04:30 AEDT.

This maintenance window enables the deployment of our upcoming platform patch release (R2025.4.1).
Dec 12, 00:01 CST

ONESOURCE Corporate Tax NextGen [APAC]

Completed - The scheduled maintenance has been completed.
Dec 13, 11:30 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 13, 07:30 CST

Scheduled - ONESOURCE Corporate Tax NextGen [APAC] will be undergoing scheduled maintenance from
Sunday 14th December 00:30 AEDT to 04:30 AEDT.

This maintenance window enables the deployment of our upcoming platform patch release (R2025.4.1).
Dec 12, 00:00 CST

Delay in Data for reports and analytics service in AMER PROD

Resolved - This incident has been resolved.
Dec 13, 03:16 CST

Investigating - Processing Delayed: We are currently experiencing delays in processing Reports and Analytics Service in AMER PROD is currently experiencing delay of around 6 hours. We are working on the data catch up. Will notify once complete.
Dec 12, 22:36 CST

OTIR Planned Downtime - Dec 13-14

Completed - The scheduled maintenance has been completed.
Dec 13, 02:00 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 13, 00:00 CST

Scheduled - Important Notice: Planned Downtime on Dec 13-14, 2025

We have scheduled additional downtime for SQL upgrades and driver maintenance to ensure optimal performance for the upcoming tax season.

When:
Start: December 13, 2025, at 12:00 AM CT
End: December 14, 2025, at 2:00 AM CT

We apologize for any inconvenience and appreciate your understanding as we prepare for peak production needs.
Dec 4, 11:11 CST

Dec 12, 2025

ONESOURCE Corporate Tax NextGen [EMEA]

Completed - The scheduled maintenance has been completed.
Dec 12, 21:30 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 12, 17:30 CST

Scheduled - ONESOURCE Corporate Tax NextGen [EMEA] will be undergoing scheduled maintenance from Friday 12th December 23:30 GMT to Saturday 13th December 3:30 GMT.

This maintenance window enables the deployment of our upcoming platform patch release (R2025.4.1).
Dec 11, 23:58 CST

OSPI Platform – APAC Emergency maintenance for December 2025

Completed - The scheduled maintenance has been completed.
Dec 12, 11:00 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 12, 05:00 CST

Scheduled - ONESOURCE Platform will be performing emergency maintenance on our systems to ensure optimal performance and reliability. During this maintenance window, certain services may experience some issues. In such cases, we recommend trying after some time. We apologize for any inconvenience this may cause and appreciate your patience and understanding. If you have any urgent inquiries or require assistance during the maintenance period, please contact our support team. Thank you for your cooperation.
Dec 11, 09:46 CST

ONESOURCE Fringe Benefits Tax [APAC]

Completed - The scheduled maintenance has been completed.
Dec 12, 09:00 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 12, 05:01 CST

Scheduled - ONESOURCE Fringe Benefits Tax [APAC] will be deploying our R29.1 December 2025 patch and as such will be unavailable from Friday December 12th 22:00 AEDT to Saturday December 13th 02:00 AEDT
Dec 11, 09:57 CST

ONESOURCE Tax Provision (AMERS)

Completed - The scheduled maintenance has been completed.
Dec 12, 02:01 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 11, 23:00 CST

Scheduled - ONESOURCE Tax Provision will be undergoing release and maintenance activities on December 11-12, 2025.
Dec 4, 11:05 CST

ONESOURCE Tax Provision [AMERS]

Completed - The scheduled maintenance has been completed.
Dec 12, 02:00 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 11, 23:00 CST

Scheduled - ONESOURCE Tax Provision will be undergoing release and maintenance activities on December 11-12, 2025.
Dec 5, 16:10 CST

Dec 11, 2025

Delay in Data for reports and analytics service in AMER PROD

Resolved - This incident has been resolved.
Dec 11, 22:50 CST

Update - Reports and Analytics Service in AMER PROD is currently experiencing delay of around 13 hours. We are working on the data catch up. Will notify once complete.
Dec 11, 09:15 CST

Investigating - Reports and Analytics Service in AMER PROD is currently experiencing delay of around 7 hours. We are working on the data catch up. Will notify once complete.
Dec 11, 03:17 CST

ONESOURCE Workpapers [AMERS]

Completed - The scheduled maintenance has been completed.
Dec 11, 22:00 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 11, 20:00 CST

Scheduled - ONESOURCE Workpapers will be unavailable from Dec 11, 2025, 8:00 P.M. (CT) until Dec 11, 2025 10:00 P.M. (CT) for scheduled maintenance.
Dec 9, 16:10 CST

ONESOURCE Tax Provision (EMEA)

Completed - The scheduled maintenance has been completed.
Dec 11, 17:01 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 11, 15:00 CST

Scheduled - NESOURCE Tax Provision will be undergoing release and maintenance activities on December 11 2025
Dec 4, 11:07 CST

ONESOURCE Tax Provision [EMEA]

Completed - The scheduled maintenance has been completed.
Dec 11, 17:00 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 11, 15:00 CST

Scheduled - ONESOURCE Tax Provision will be undergoing release and maintenance activities on December 11, 2025.
Dec 5, 16:10 CST

ONESOURCE Workpapers [EMEA]

Completed - The scheduled maintenance has been completed.
Dec 11, 16:00 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 11, 14:00 CST

Scheduled - ONESOURCE Workpapers will be unavailable from Dec 11, 2025, 2:00 P.M. (CT) until Dec 11, 2025 4:00 P.M. (CT) for scheduled maintenance.
Dec 9, 16:10 CST

ONESOURCE Workpapers [APAC]

Completed - The scheduled maintenance has been completed.
Dec 11, 12:00 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 11, 10:00 CST

Scheduled - ONESOURCE Workpapers will be unavailable from Dec 11, 2025, 10:00 A.M. (CT) until Dec 11, 2025 12:00 P.M. (CT) for scheduled
Dec 9, 16:09 CST

OSPI Platform – UAT Emergency maintenance for December 2025

Completed - The scheduled maintenance has been completed.
Dec 11, 06:00 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 11, 00:00 CST

Dec 10, 2025

Delay in Data for reports and analytics service in AMER PROD

Resolved - This incident has been resolved.
Dec 10, 22:26 CST

Investigating - Processing Delayed: We are currently experiencing delays in processing Reports and Analytics Service in AMER PROD is currently experiencing delay of around 7 hours. We are working on the data catch up. Will notify once complete.
Dec 10, 05:17 CST

ONESOURCE Oracle Fusion Rate to Regime Content release for BRAZIL DECEMBER 2025

Completed - The scheduled maintenance has been completed.
Dec 10, 12:30 CST

Scheduled - ONESOURCE Oracle Fusion Rate to Regime Content release Content for BRAZIL region for DECEMBER 2025 has been released. It is available in both Integration UI and customer portal for download.
Dec 9, 10:55 CST

Dec 9, 2025

ONESOURCE Income Tax

Completed - The scheduled maintenance has been completed.
Dec 9, 19:10 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 9, 19:00 CST

Scheduled - ONESOURCE Income Tax will be undergoing maintenance on Tuesday, Dec 9th between 7:00pm – 7:10pm CT, users may see a brief degradation in the application while we are performing the maintenance.
Dec 9, 16:02 CST

ONESOURCE Income Tax

Completed - The scheduled maintenance has been completed.
Dec 9, 01:30 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 9, 00:00 CST

Scheduled - ONESOURCE Income Tax will be undergoing maintenance on Tuesday, Dec 9th between 12:00am – 1:30am CT
Dec 5, 16:43 CST

Dec 8, 2025

Intermittent Tax calculation failures in Amer UAT

Resolved - This incident has been resolved.
Dec 8, 23:22 CST

Monitoring - A fix has been implemented and we are monitoring the results.
Dec 8, 07:55 CST

Update - Dear Customers,

We wanted to inform you that we are experiencing intermittent tax calculation failures and high latency for both SOAP & REST in AMER UAT environment. Technical teams are currently working on it with high priority to restore the services. More details to follow soon.

Thank you for your understanding and patience.
Dec 8, 02:30 CST

Investigating - We are currently experiencing intermittent issues with the Tax calculation feature with our ONESOURCE Indirect Tax Determination Enterprise.
Dec 8, 00:49 CST

Dec 7, 2025

ONESOURCE GTM – AWS Maintenance

Completed - The scheduled maintenance has been completed.
Dec 7, 17:00 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 7, 00:01 CST

Scheduled - Thomson Reuters will be performing scheduled maintenance on Sunday, December 7th, 2025 beginning at 1 AM Eastern time and will conclude by Sunday, December 7th, 2025 at 6 PM Eastern time.

The maintenance will include updates and patches to implementation and production environments. During this maintenance there will be intermittent downtime, and you will not be able to access implementation and production instances.

If you have any questions or concerns, please contact Customer Support.
Nov 19, 17:35 CST

ONESOURCE GTM – AWS Maintenance

Completed - The scheduled maintenance has been completed.
Dec 7, 17:00 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 7, 00:00 CST

ONESOURCE GTM – AWS Maintenance

Completed - The scheduled maintenance has been completed.
Dec 7, 05:00 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 7, 00:01 CST

Scheduled - Thomson Reuters will be performing scheduled maintenance on Sunday, December 7th, 2025 beginning at 1 AM Eastern time and will conclude by Sunday, December 7th, 2025 at 6 PM Eastern time.
The maintenance will include updates and patches to implementation and production environments. During this maintenance there will be intermittent downtime, and you will not be able to access implementation and production instances.

If you have any questions or concerns, please contact Customer Support.
Dec 5, 16:45 CST

ONESOURCE Uncertain Tax Positions

Completed - The scheduled maintenance has been completed.
Dec 7, 03:30 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 6, 03:30 CST

Scheduled - ONESOURCE Uncertain Tax Positions will be undergoing release and maintenance activities on December 6-7, 2025.
Dec 4, 16:00 CST

Dec 6, 2025

ONESOURCE Corporate Tax NextGen [APAC]

Completed - The scheduled maintenance has been completed.
Dec 6, 13:30 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 6, 07:30 CST

Scheduled - ONESOURCE Corporate Tax NextGen [APAC] will be undergoing scheduled maintenance from Sunday December 7th 00:30 AEDT to 6:30 AEDT.

This maintenance window enables the deployment of our upcoming platform release: R2025.4.

We appreciate your patience as we work to bring you new enhancements.
Dec 1, 03:32 CST

ONESOURCE Trusts [APAC]

Completed - The scheduled maintenance has been completed.
Dec 6, 13:30 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 6, 07:30 CST

Scheduled - ONESOURCE TRUSTS [APAC] will be undergoing scheduled maintenance from Sunday December 7th 00:30 AEDT to 6:30 AEDT.

This maintenance window enables the deployment of our upcoming platform release: R2025.4.

We appreciate your patience as we work to bring you new enhancements.
Dec 1, 03:32 CST

ONESOURCE Corporate Tax NextGen [EMEA]

Completed - The scheduled maintenance has been completed.
Dec 6, 00:30 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 5, 18:30 CST

Scheduled - ONESOURCE Corporate Tax NextGen [EMEA] will be undergoing scheduled maintenance from Saturday December 6th 00:30 GMT to 06:30 GMT.

This maintenance window enables the deployment of our upcoming platform release: R2025.4.

We appreciate your patience as we work to bring you new enhancements.
Dec 1, 03:34 CST

Dec 5, 2025

ONESOURCE Income Tax

Completed - The scheduled maintenance has been completed.
Dec 5, 01:30 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 5, 00:00 CST

Scheduled - ONESOURCE Income Tax will be undergoing maintenance on Friday, Dec 5th between 12:00am – 1:30am CT
Dec 2, 17:33 CST

Dec 4, 2025

ONESOURCE Indirect Compliance Maintenance Event (R2025.12) planned on Thursday 04th December 2025

Completed - The scheduled maintenance has been completed.
Dec 4, 11:00 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 4, 07:00 CST

Scheduled - Database maintenance event in progress to deploy R2025.12

There will be limited service during this deployment.
Nov 21, 00:29 CST

Dec 3, 2025

ONESOURCE Indirect Compliance Maintenance Event (R2025.12) planned on Thursday 04th December 2025

Completed - The scheduled maintenance has been completed.
Dec 3, 22:30 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 3, 18:30 CST

Scheduled - Database maintenance event in progress to deploy R2025.12

There will be limited service during this deployment.
Nov 21, 00:32 CST

Delay in Data for reports and analytics service in AMER PROD.

Resolved - This incident has been resolved.
Dec 3, 07:19 CST

Update - We are continuing to investigate this issue.
Dec 3, 07:16 CST

Investigating - Reports and Analytics Service in AMER PROD is currently experiencing delay of around 7 hours. We are working on the data catch up. Will notify once complete.
Dec 2, 20:49 CST

Increased Latency and Intermittent failures for Tax calls in EMEA UAT

Resolved - This incident has been resolved.
Dec 3, 06:06 CST

Investigating - Intermittent Issues: We are currently experiencing intermittent issues with the Tax Calculations feature with our ONESOURCE Determination Enterprise Cloud service.
Dec 3, 05:55 CST

ONESOURCE Tax Information Release OTIR Release 25.05 2nd December 2025 (AMERS)

Completed - The scheduled maintenance has been completed.
Dec 3, 06:00 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 2, 19:00 CST

Scheduled - ONESOURCE Tax Information Reporting Release 25.05 will be installed from 7:00 P.M. (CT) on 2nd December 2025 until 06:00 A.M. (CT) on 3d December 2025. System availability may be affected during release time.
Aug 20, 10:05 CDT

Dec 2, 2025

Dec 1, 2025

ONESOURCE Statutory Reporting - Web [AMERS]

Completed - The scheduled maintenance has been completed.
Dec 1, 02:30 CST

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 30, 18:30 CST

Scheduled - ONESOURCE Statutory Reporting - Web [AMERS] will be undergoing scheduled maintenance during Nov 30, 2025 19:30 EST to Dec 01, 2025 03:30 EST.
Nov 27, 05:25 CST

Nov 30, 2025

Nov 29, 2025

No incidents reported.

Scheduled Maintenance

ONESOURCE Oracle Fusion Rate to Regime Content release for US DECEMBER 2025 Nov 25, 2025 23:00 - Nov 26, 2025 12:30 CST

ONESOURCE Trust Tax System Maintenance Scheduled for December 14 (AMERS) Dec 14, 2025 00:00-04:00 CST

OSPI Platform – EMEA Emergency maintenance for December 2025 Dec 15, 2025 11:00-17:00 CST

OSPI Platform – AMER Emergency maintenance for December 2025 Dec 17, 2025 00:00-06:00 CST

Scheduled System Maintenance Dec 20, 2025 11:00-19:00 CST

ONESOURCE GTM – AWS Maintenance Dec 21, 2025 00:00-17:00 CST

ONESOURCE GTM – AWS Maintenance Dec 21, 2025 00:00-17:00 CST

ONESOURCE Tax Information Reporting System Maintenance 27th December 2025 (AMERS) Dec 27, 2025 22:00 - Dec 28, 2025 07:00 CST

ONESOURCE Tax Information Release OTIR Release 25.06 30th December 2025 (AMERS) Dec 30, 2025 19:00 - Dec 31, 2025 06:00 CST

ONESOURCE Global Trade - Single Sign On Certificate Update Jan 2, 2026 08:00-08:30 CST

ONESOURCE GTM – AWS Maintenance Jan 4, 2026 00:00-17:00 CST

ONESOURCE GTM – AWS Maintenance Jan 18, 2026 00:00-17:00 CST

ONESOURCE Tax Information Release OTIR Release 25.07 17th February 2026 (AMERS) Feb 17, 2026 19:00 - Feb 18, 2026 06:00 CST

ONESOURCE Tax Information Reporting System Maintenance 21st March 2026 (AMERS) Mar 21, 2026 22:00 - Mar 22, 2026 07:00 CDT

ONESOURCE Tax Information Release OTIR Release 26.01 21st April 2026 (AMERS) Apr 21, 2026 19:00 - Apr 22, 2026 06:00 CDT

ONESOURCE Tax Information Reporting System Maintenance 25th April 2026 (AMERS) Apr 25, 2026 22:00 - Apr 26, 2026 07:00 CDT

ONESOURCE Tax Information Reporting System Maintenance 23rd May 2026 (AMERS) May 23, 2026 22:00 - May 24, 2026 07:00 CDT

ONESOURCE Tax Information Release OTIR Release 26.02 16th June 2026 (AMERS) Jun 16, 2026 19:00 - Jun 17, 2026 06:00 CDT

ONESOURCE Tax Information Reporting System Maintenance 27th June 2026 (AMERS) Jun 27, 2026 22:00 - Jun 28, 2026 07:00 CDT

ONESOURCE Tax Information Reporting System Maintenance 25th July 2026 (AMERS) Jul 25, 2026 22:00 - Jul 26, 2026 07:00 CDT

ONESOURCE Tax Information Release OTIR Release 26.03 11th August 2026 (AMERS) Aug 11, 2026 19:00 - Aug 12, 2026 06:00 CDT

ONESOURCE Tax Information Reporting System Maintenance 22nd August 2026 (AMERS) Aug 22, 2026 22:00 - Aug 23, 2026 07:00 CDT

ONESOURCE Tax Information Release OTIR Release 26.04 20th October 2026 (AMERS) Oct 20, 2026 19:00 - Oct 21, 2026 06:00 CDT

ONESOURCE Tax Information Reporting System Maintenance 24th October 2026 (AMERS) Oct 24, 2026 22:00 - Oct 25, 2026 07:00 CDT

ONESOURCE Tax Information Reporting System Maintenance 21st November 2026 (AMERS) Nov 21, 2026 22:00 - Nov 22, 2026 07:00 CST

ONESOURCE Tax Information Release OTIR Release 26.05 1st December 2026 (AMERS) Dec 1, 2026 19:00 - Dec 2, 2026 06:00 CST

ONESOURCE Tax Information Release OTIR Release 26.06 22nd December 2026 (AMERS) Dec 22, 2026 19:00 - Dec 23, 2026 06:00 CST

ONESOURCE Tax Information Reporting System Maintenance 26th December 2026 (AMERS) Dec 26, 2026 22:00 - Dec 27, 2026 07:00 CST

ONESOURCE Tax Information Release OTIR Release 26.07 16th February 2027 (AMERS) Feb 16, 2027 19:00 - Feb 17, 2027 06:00 CST

Past Incidents

ONESOURCE Oracle Fusion Rate to Regime Content release for US DECEMBER 2025 Nov `25`, `2025` `23:00` - Nov `26`, `2025` `12:30` CST

ONESOURCE Trust Tax System Maintenance Scheduled for December 14 (AMERS) Dec `14`, `2025` `00:00`-`04:00` CST

OSPI Platform – EMEA Emergency maintenance for December 2025 Dec `15`, `2025` `11:00`-`17:00` CST

OSPI Platform – AMER Emergency maintenance for December 2025 Dec `17`, `2025` `00:00`-`06:00` CST

Scheduled System Maintenance Dec `20`, `2025` `11:00`-`19:00` CST

ONESOURCE GTM – AWS Maintenance Dec `21`, `2025` `00:00`-`17:00` CST

ONESOURCE GTM – AWS Maintenance Dec `21`, `2025` `00:00`-`17:00` CST

ONESOURCE Tax Information Reporting System Maintenance 27th December 2025 (AMERS) Dec `27`, `2025` `22:00` - Dec `28`, `2025` `07:00` CST

ONESOURCE Tax Information Release OTIR Release 25.06 30th December 2025 (AMERS) Dec `30`, `2025` `19:00` - Dec `31`, `2025` `06:00` CST

ONESOURCE Global Trade - Single Sign On Certificate Update Jan `2`, `2026` `08:00`-`08:30` CST

ONESOURCE GTM – AWS Maintenance Jan `4`, `2026` `00:00`-`17:00` CST

ONESOURCE GTM – AWS Maintenance Jan `18`, `2026` `00:00`-`17:00` CST

ONESOURCE Tax Information Release OTIR Release 25.07 17th February 2026 (AMERS) Feb `17`, `2026` `19:00` - Feb `18`, `2026` `06:00` CST

ONESOURCE Tax Information Reporting System Maintenance 21st March 2026 (AMERS) Mar `21`, `2026` `22:00` - Mar `22`, `2026` `07:00` CDT

ONESOURCE Tax Information Release OTIR Release 26.01 21st April 2026 (AMERS) Apr `21`, `2026` `19:00` - Apr `22`, `2026` `06:00` CDT

ONESOURCE Tax Information Reporting System Maintenance 25th April 2026 (AMERS) Apr `25`, `2026` `22:00` - Apr `26`, `2026` `07:00` CDT

ONESOURCE Tax Information Reporting System Maintenance 23rd May 2026 (AMERS) May `23`, `2026` `22:00` - May `24`, `2026` `07:00` CDT

ONESOURCE Tax Information Release OTIR Release 26.02 16th June 2026 (AMERS) Jun `16`, `2026` `19:00` - Jun `17`, `2026` `06:00` CDT

ONESOURCE Tax Information Reporting System Maintenance 27th June 2026 (AMERS) Jun `27`, `2026` `22:00` - Jun `28`, `2026` `07:00` CDT

ONESOURCE Tax Information Reporting System Maintenance 25th July 2026 (AMERS) Jul `25`, `2026` `22:00` - Jul `26`, `2026` `07:00` CDT

ONESOURCE Tax Information Release OTIR Release 26.03 11th August 2026 (AMERS) Aug `11`, `2026` `19:00` - Aug `12`, `2026` `06:00` CDT

ONESOURCE Tax Information Reporting System Maintenance 22nd August 2026 (AMERS) Aug `22`, `2026` `22:00` - Aug `23`, `2026` `07:00` CDT

ONESOURCE Tax Information Release OTIR Release 26.04 20th October 2026 (AMERS) Oct `20`, `2026` `19:00` - Oct `21`, `2026` `06:00` CDT

ONESOURCE Tax Information Reporting System Maintenance 24th October 2026 (AMERS) Oct `24`, `2026` `22:00` - Oct `25`, `2026` `07:00` CDT

ONESOURCE Tax Information Reporting System Maintenance 21st November 2026 (AMERS) Nov `21`, `2026` `22:00` - Nov `22`, `2026` `07:00` CST

ONESOURCE Tax Information Release OTIR Release 26.05 1st December 2026 (AMERS) Dec `1`, `2026` `19:00` - Dec `2`, `2026` `06:00` CST

ONESOURCE Tax Information Release OTIR Release 26.06 22nd December 2026 (AMERS) Dec `22`, `2026` `19:00` - Dec `23`, `2026` `06:00` CST

ONESOURCE Tax Information Reporting System Maintenance 26th December 2026 (AMERS) Dec `26`, `2026` `22:00` - Dec `27`, `2026` `07:00` CST

ONESOURCE Tax Information Release OTIR Release 26.07 16th February 2027 (AMERS) Feb `16`, `2027` `19:00` - Feb `17`, `2027` `06:00` CST