Welcome to the Thomson Reuters Corporate Tax and Trade Status page – This is the centralized resource for real-time visibility into the performance and availability of all Thomson Reuters Corporate Tax and Trade products.
This portal provides updates on service status, ongoing incidents, scheduled maintenance, and performance issues across our Corporate Tax and Trade product suite. Our goal is to keep you informed with timely, accurate information so you can plan your work accordingly.
For proactive notifications, subscribe to updates to receive alerts about status changes and incidents affecting your specific Corporate Tax and Trade products.
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jun 03, 2026 - 15:30 CDT
Jun 03, 2026 - 15:30 CDT
Scheduled - ONESOURCE Statutory Reporting - Web [AMERS] will be undergoing scheduled maintenance during June 3, 2026 16:30 EDT to June 4, 2026 02:30 EDT.
Jun 3, 2026 15:30 - Jun 4, 2026 01:30 CDT
Jun 3, 2026 15:30 - Jun 4, 2026 01:30 CDT
Investigating - Reports and Analytics Service in AMER PROD is currently experiencing delay of around 8 hours. We are working on the data catch up. Will notify once complete.
Jun 03, 2026 - 11:00 CDT
Jun 03, 2026 - 11:00 CDT
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
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
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
Under Maintenance
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
Under Maintenance
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
Operational
Global Trade Content
Operational
Global Trade - LATAM
Operational
Global Trade - pwd by Integration Point
Operational
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
Operational
Implementation Environment
Operational
ONESOURCE Classifier
Operational
Transports AS2
Operational
Transports Client Interchange Web Service
Operational
Transports FTP
Operational
Indirect Tax
Degraded Performance
ONESOURCE Determination Enterprise Cloud (AWS AMER)
Operational
ONESOURCE Determination Enterprise Cloud (AWS EMEA)
Operational
ONESOURCE Determination Enterprise Cloud (OCI AMER)
Operational
ONESOURCE Determination Enterprise Cloud (OCI MENA)
Operational
ONESOURCE Determination Anywhere (AWS AMER)
Operational
ONESOURCE Determination Anywhere (OCI AMER)
Operational
ONESOURCE Determination Anywhere (OCI MENA)
Operational
Configuration API (AWS AMER)
Operational
Configuration API (AWS EMEA)
Operational
Configuration API (OCI AMER)
Operational
Configuration API (OCI MENA)
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
Degraded Performance
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
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
AMERS – ONESOURCE Tax One
Operational
AMERS – ONESOURCE ECF/REINF Messaging
Operational
AMERS - Tax Reform
Operational
AMERS - Tax Automation
Operational
AMERS - TDM: Tax Data Management
Operational
AMERS - OBI: ONESOURCE BRASIL Integration
Operational
AMERS - Interfaces
Operational
EMEA - ONESOURCE Tax One
Operational
EMEA - ONESOURCE ECF/REINF Messaging
Operational
EMEA - Tax Reform
Operational
EMEA - Tax Automation
Operational
EMEA - TDM: Tax Data Management
Operational
EMEA - OBI: ONESOURCE BRASIL Integration
Operational
EMEA - Interface
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 Income Tax Maintenance Jun 3, 2026 21:00-21:30 CDT
ONESOURCE Income Tax - AMERS will be undergoing maintenance on Wednesday, June 3rd 9pm - 9:30pm CT. ONESOURCE Income Tax - AMERS will be unavailable during this time.
Posted on Jun 03, 2026 - 15:21 CDT
Posted on Jun 03, 2026 - 15:21 CDT
ONESOURCE API Administration UI Emergency Maintenance June 2026 – UAT Jun 4, 2026 00:00-04:00 CDT
ONESOURCE API Administration will undergo Emergency maintenance to fix an issue in UAT. Some services may be temporarily affected; please try again later if you encounter issues. We apologize for any inconvenience and appreciate your patience. For urgent assistance during this period, contact our support team. Thank you for your cooperation. For more on API Administration, see the Guide.
Posted on Jun 03, 2026 - 09:28 CDT
Posted on Jun 03, 2026 - 09:28 CDT
ONESOURCE Determination Enterprise Cloud– Version 2026.03 Release Information (PROD AMER environment) Jun 4, 2026 04:00-10:00 CDT
ONESOURCE Determination Enterprise Cloud– Version 2026.03 is being deployed in the PROD AMER environment on June 04, 2026. Your access to the tax calculation services and the application will not be interrupted.
Posted on May 01, 2026 - 06:53 CDT
Posted on May 01, 2026 - 06:53 CDT
ONESOURCE API Administration UI Emergency Maintenance June 2026 – APAC Jun 4, 2026 05:00-09:00 CDT
ONESOURCE API Administration will undergo Emergency maintenance to fix an issue in APAC . Some services may be temporarily affected; please try again later if you encounter issues. We apologize for any inconvenience and appreciate your patience. For urgent assistance during this period, contact our support team. Thank you for your cooperation. For more on API Administration, see the Guide.
Posted on Jun 03, 2026 - 09:29 CDT
Posted on Jun 03, 2026 - 09:29 CDT
ONESOURCE Determination Anywhere – Version 2026.03 Release Information (PROD environment) Jun 4, 2026 06:00-12:00 CDT
ONESOURCE Determination Anywhere – Version 2026.03 is being deployed in the PROD environment on June 04, 2026. Your access to the tax calculation services and the application will not be interrupted.
Posted on May 01, 2026 - 06:59 CDT
Posted on May 01, 2026 - 06:59 CDT
Reports and Analytics release Version 2026.05 in EMEA UAT region Jun 4, 2026 08:00-15:00 CDT
The deployment of Reports and Analytics release version 2026.05 in the EMEA UAT environment is scheduled for 08:00 AM to 3:00 PM CDT. Rest assured that your access to the user interface and tax calculation services will not be affected during this maintenance period.
Posted on Apr 14, 2026 - 06:18 CDT
Posted on Apr 14, 2026 - 06:18 CDT
ONESOURCE Indirect Compliance Maintenance Event (R2026.06) planned on Thursday 4th June 2026 Jun 4, 2026 08:00-12:00 CDT
Database maintenance event in progress to deploy R2026.06
There will be limited service during this deployment.
Posted on May 25, 2026 - 11:50 CDT
There will be limited service during this deployment.
Posted on May 25, 2026 - 11:50 CDT
ONESOURCE API Administration UI Emergency Maintenance June 2026 – EMEA Jun 4, 2026 13:00-17:00 CDT
ONESOURCE API Administration will undergo Emergency maintenance to fix an issue in EMEA. Some services may be temporarily affected; please try again later if you encounter issues. We apologize for any inconvenience and appreciate your patience. For urgent assistance during this period, contact our support team. Thank you for your cooperation. For more on API Administration, see the Guide.
Posted on Jun 03, 2026 - 09:30 CDT
Posted on Jun 03, 2026 - 09:30 CDT
ONESOURCE Statutory Reporting - Web [EMEA] Jun 4, 2026 16:30 - Jun 5, 2026 02:30 CDT
ONESOURCE Statutory Reporting - Web [EMEA] will be undergoing scheduled maintenance during June 4, 2026 22:30 BST to June 5, 2026 08:30 BST.
Posted on May 29, 2026 - 15:54 CDT
Posted on May 29, 2026 - 15:54 CDT
ONESOURCE Indirect Compliance Maintenance Event (R2026.06) planned on Thursday 04th June 2026 Jun 4, 2026 19:30-23:30 CDT
Database maintenance event in progress to deploy R2026.06
There will be limited service during this deployment.
Posted on May 25, 2026 - 11:45 CDT
There will be limited service during this deployment.
Posted on May 25, 2026 - 11:45 CDT
Reports and Analytics release Version 2026.05 in AMER UAT region Jun 5, 2026 04:00-11:00 CDT
The deployment of Reports and Analytics release version 2026.05 in the AMER UAT environment is scheduled for 04:00 AM to 11:00 AM CDT. Rest assured that your access to the user interface and tax calculation services will not be affected during this maintenance period.
Posted on Apr 14, 2026 - 06:16 CDT
Posted on Apr 14, 2026 - 06:16 CDT
ONESOURCE IDT Determination Enterprise Cloud – Scheduled maintenance in the AWS AMER PROD environment (June 06) Jun 6, 2026 05:00-09:00 CDT
We are performing a scheduled maintenance in ONESOURCE Determination Enterprise Cloud AWS AMER PROD environment on June 06. This activity may cause brief interruptions to tax calculations. Failed transactions must be reprocessed by customers after maintenance.
Posted on Jun 03, 2026 - 00:46 CDT
Posted on Jun 03, 2026 - 00:46 CDT
ONESOURCE GTM – AWS Maintenance Jun 7, 2026 00:00-17:00 CDT
Thomson Reuters will be performing scheduled maintenance on Sunday, June 7th, 2026 beginning at 1 AM Eastern time and will conclude by Sunday, June 7th, 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 Feb 25, 2026 - 12:44 CST
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 Feb 25, 2026 - 12:44 CST
ONESOURCE Statutory Reporting - Legacy [EMEA] Jun 7, 2026 18:30-22:30 CDT
Update -
ONESOURCE Statutory Reporting - Legacy [EMEA] will be undergoing scheduled maintenance during June 8, 2026 00:30 BST to June 8, 2026 04:30 BST.
Jun 03, 2026 - 04:14 CDT
Jun 03, 2026 - 04:14 CDT
Scheduled -
ONESOURCE Statutory Reporting - Legacy [EMEA] will be undergoing scheduled maintenance during June 8, 2026 00:30 BST to June 8, 2026 04:30 BST.
Jun 03, 2026 - 03:52 CDT
Jun 03, 2026 - 03:52 CDT
ONESOURCE IDT Determination Enterprise Cloud - Backend Maintenance in the PROD Environment (AMER-AWS) Jun 8, 2026 16:00-18:00 CDT
ONESOURCE Determination Enterprise Cloud (AMER-AWS) - We are performing a maintenance activity in the PROD environment on June 08, 2026, between 05:00 PM - 07:00 PM ET. You may encounter occasional errors with the REST APIs during this activity, which may result in temporary issues with tax calculations. If this happens, simply try your request again.
Posted on May 18, 2026 - 20:25 CDT
Posted on May 18, 2026 - 20:25 CDT
Reports and Analytics release Version 2026.05 in EMEA PROD region Jun 10, 2026 08:00-15:00 CDT
The deployment of Reports and Analytics release version 2026.05 in the EMEA PROD environment is scheduled for 08:00 AM to 3:00 PM CDT. Rest assured that your access to the user interface and tax calculation services will not be affected during this maintenance period.
Posted on Apr 14, 2026 - 06:22 CDT
Posted on Apr 14, 2026 - 06:22 CDT
ONESOURCE API Administration Backend Services June 2026 release in UAT. Jun 10, 2026 22:00 - Jun 11, 2026 03:00 CDT
ONESOURCE API Administration will undergo scheduled maintenance to enhance system performance, reliability. Some services may be temporarily affected; please try again later if you encounter issues. We apologize for any inconvenience and appreciate your patience. For urgent assistance during this period, contact our support team. Thank you for your cooperation. For more on API Administration, see the Guide.
Posted on Jun 03, 2026 - 02:36 CDT
Posted on Jun 03, 2026 - 02:36 CDT
OSPI Platform – UAT Minor release for June 2026 Jun 11, 2026 00:00-06:00 CDT
ONESOURCE Platform will be performing scheduled maintenance on our systems to ensure optimal performance and reliability. During this maintenance window, certain services, including authentication and administration, might experience degraded performance. 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 Jun 01, 2026 - 19:16 CDT
Posted on Jun 01, 2026 - 19:16 CDT
ONESOURCE API Administration Backend Services June 2026 release in all Production regions Jun 11, 2026 01:00-06:00 CDT
ONESOURCE API Administration will be performing scheduled 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.
To explore the capabilities of API Administration, please refer to the Guide.
Posted on Jun 03, 2026 - 02:38 CDT
To explore the capabilities of API Administration, please refer to the Guide.
Posted on Jun 03, 2026 - 02:38 CDT
Reports and Analytics release Version 2026.05 in AMER PROD region Jun 11, 2026 04:00-11:00 CDT
The deployment of Reports and Analytics release version 2026.05 in the AMER PROD environment is scheduled for 04:00 AM to 11:00 AM CDT. Rest assured that your access to the user interface and tax calculation services will not be affected during this maintenance period.
Posted on Apr 14, 2026 - 06:20 CDT
Posted on Apr 14, 2026 - 06:20 CDT
OSPI Platform – APAC Minor release for June 2026 Jun 12, 2026 05:00-11:00 CDT
ONESOURCE Platform will be performing scheduled maintenance on our systems to ensure optimal performance and reliability. During this maintenance window, certain services, including authentication and administration, might experience degraded performance. 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 Jun 01, 2026 - 19:18 CDT
Posted on Jun 01, 2026 - 19:18 CDT
OSPI Platform – EMEA Minor release for June 2026 Jun 12, 2026 13:00-19:00 CDT
ONESOURCE Platform will be performing scheduled maintenance on our systems to ensure optimal performance and reliability. During this maintenance window, certain services, including authentication and administration, might experience degraded performance. 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 Jun 01, 2026 - 19:19 CDT
Posted on Jun 01, 2026 - 19:19 CDT
UAT - ONESOURCE Platform Emergency Database Maintenance - June 2026. Jun 13, 2026 03:00-09:00 CDT
ONESOURCE Platform will be undergoing emergency maintenance in UAT on Saturday June 13, 03:00 AM CDT - 09:00 AM CDT.
ONESOURCE Platform will be unavailable from Saturday June 13, 3:00 AM CDT to 5:00 AM CDT
In case of any issues, we recommend the users to please retry.
We appreciate your patience and understanding. If you have any urgent inquiries or require assistance during this maintenance period, please contact our support team. Thank you for your cooperation.
Posted on Jun 02, 2026 - 10:49 CDT
ONESOURCE Platform will be unavailable from Saturday June 13, 3:00 AM CDT to 5:00 AM CDT
In case of any issues, we recommend the users to please retry.
We appreciate your patience and understanding. If you have any urgent inquiries or require assistance during this maintenance period, please contact our support team. Thank you for your cooperation.
Posted on Jun 02, 2026 - 10:49 CDT
APAC - ONESOURCE Platform Emergency Database Maintenance - June 2026. Jun 13, 2026 11:00-17:00 CDT
ONESOURCE Platform will be undergoing emergency maintenance in APAC on Saturday, June 13, 11:00 AM CDT to 05:00 PM CDT.
ONESOURCE Platform will be unavailable from Saturday June 13, 11:00 AM CDT to 01:00 PM CDT. In case of any issues, we recommend the users to please retry.
We appreciate your patience and understanding. If you have any urgent inquiries or require assistance during this maintenance period, please contact our support team. Thank you for your cooperation.
Posted on Jun 02, 2026 - 10:49 CDT
ONESOURCE Platform will be unavailable from Saturday June 13, 11:00 AM CDT to 01:00 PM CDT. In case of any issues, we recommend the users to please retry.
We appreciate your patience and understanding. If you have any urgent inquiries or require assistance during this maintenance period, please contact our support team. Thank you for your cooperation.
Posted on Jun 02, 2026 - 10:49 CDT
EMEA - ONESOURCE Platform Emergency Database Maintenance - June 2026. Jun 13, 2026 18:00 - Jun 14, 2026 00:00 CDT
ONESOURCE Platform will be undergoing emergency maintenance in EMEA on Saturday June 13, 06:00 PM CDT to June 13, 11:59 PM CDT.
ONESOURCE Platform will be unavailable from Saturday June 13, 06:00 PM CDT to 08:00 PM CDT. In case of any issues, we recommend the users to please retry.
We appreciate your patience and understanding. If you have any urgent inquiries or require assistance during this maintenance period, please contact our support team. Thank you for your cooperation.
Posted on Jun 02, 2026 - 10:49 CDT
ONESOURCE Platform will be unavailable from Saturday June 13, 06:00 PM CDT to 08:00 PM CDT. In case of any issues, we recommend the users to please retry.
We appreciate your patience and understanding. If you have any urgent inquiries or require assistance during this maintenance period, please contact our support team. Thank you for your cooperation.
Posted on Jun 02, 2026 - 10:49 CDT
OSPI Platform – AMER Minor release for June 2026 Jun 15, 2026 00:00-06:00 CDT
ONESOURCE Platform will be performing scheduled maintenance on our systems to ensure optimal performance and reliability. During this maintenance window, certain services, including authentication and administration, might experience degraded performance. 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 Jun 01, 2026 - 19:20 CDT
Posted on Jun 01, 2026 - 19:20 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 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
Posted on Nov 20, 2025 - 05:26 CST
AMER - ONESOURCE Platform Emergency Database Maintenance - June 2026. Jun 20, 2026 02:00-14:00 CDT
ONESOURCE Platform will be undergoing emergency maintenance in AMER on Saturday June 20, 02:00 AM CDT - 02:00 PM CDT.
ONESOURCE Platform will be unavailable from Saturday June 20, 2:00 AM CDT to 4:30 AM CDT.
In case of any issues, we recommend the users to please retry.
We appreciate your patience and understanding. If you have any urgent inquiries or require assistance during this maintenance period, please contact our support team. Thank you for your cooperation.
Posted on Jun 02, 2026 - 10:48 CDT
ONESOURCE Platform will be unavailable from Saturday June 20, 2:00 AM CDT to 4:30 AM CDT.
In case of any issues, we recommend the users to please retry.
We appreciate your patience and understanding. If you have any urgent inquiries or require assistance during this maintenance period, please contact our support team. Thank you for your cooperation.
Posted on Jun 02, 2026 - 10:48 CDT
ONESOURCE GTM – AWS Maintenance Jun 21, 2026 00:00-17:00 CDT
Thomson Reuters will be performing scheduled maintenance on Sunday, June 21th, 2026 beginning at 1 AM Eastern time and will conclude by Sunday, June 21th, 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 Feb 25, 2026 - 12:44 CST
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 Feb 25, 2026 - 12:44 CST
ONESOURCE Tax Information Reporting Maintenance Jun 26, 2026 18:00 - Jun 27, 2026 06:00 CDT
ONESOURCE Tax Information Reporting will be undergoing maintenance on Friday, June 26th 6pm – Saturday, June 27th 6am CT. ONESOURCE Tax Information Reporting will be unavailable during this time.
Posted on May 29, 2026 - 11:04 CDT
Posted on May 29, 2026 - 11:04 CDT
ONESOURCE Tax Provision Maintenance Jun 26, 2026 18:00 - Jun 27, 2026 06:00 CDT
ONESOURCE Tax Provision - AMERS will be undergoing maintenance on Friday, June 26th 6pm – Saturday, June 27th 6am CT. ONESOURCE Tax Provision - AMERS will be unavailable during this time.
Posted on May 29, 2026 - 10:58 CDT
Posted on May 29, 2026 - 10:58 CDT
ONESOURCE Trust Tax Maintenance Jun 26, 2026 18:00 - Jun 27, 2026 06:00 CDT
ONESOURCE Trust Tax will be undergoing maintenance on Friday, June 26th 6pm – Saturday, June 27th 6am CT. ONESOURCE Trust Tax will be unavailable during this time.
Posted on May 29, 2026 - 11:04 CDT
Posted on May 29, 2026 - 11:04 CDT
ONESOURCE Tax Provision Next Gen Maintenance Jun 26, 2026 18:00 - Jun 27, 2026 06:00 CDT
ONESOURCE Tax Provision Next Gen - AMERS will be undergoing maintenance on Friday, June 26th 6pm – Saturday, June 27th 6am CT. ONESOURCE Tax Provision Next Gen - AMERS will be unavailable during this time.
Posted on May 29, 2026 - 10:58 CDT
Posted on May 29, 2026 - 10:58 CDT
GoSystem Tax RS Maintenance Jun 26, 2026 18:00 - Jun 27, 2026 06:00 CDT
GoSystem Tax RS will be undergoing maintenance on Friday, June 26th 6pm – Saturday, June 27th 6am CT. GoSystem Tax RS will be unavailable during this time.
Posted on May 29, 2026 - 11:11 CDT
Posted on May 29, 2026 - 11:11 CDT
ONESOURCE Tax Provision Next Gen Maintenance Jun 26, 2026 18:00 - Jun 27, 2026 06:00 CDT
ONESOURCE Tax Provision Next Gen - EMEA will be undergoing maintenance on Friday, June 26th 6pm – Saturday, June 27th 6am CT. ONESOURCE Tax Provision Next Gen - EMEA will be unavailable during this time.
Posted on May 29, 2026 - 10:58 CDT
Posted on May 29, 2026 - 10:58 CDT
ONESOURCE Income Tax Maintenance Jun 26, 2026 18:00 - Jun 27, 2026 06:00 CDT
ONESOURCE Income Tax will be undergoing maintenance on Friday, June 26th 6pm – Saturday, June 27th 6am CT. ONESOURCE Income Tax will be unavailable during this time.
Posted on May 29, 2026 - 10:59 CDT
Posted on May 29, 2026 - 10:59 CDT
ONESOURCE Income Tax Workpapers Maintenance Jun 26, 2026 18:00 - Jun 27, 2026 06:00 CDT
ONESOURCE Income Tax Workpapers will be undergoing maintenance on Friday, June 26th 6pm – Saturday, June 27th 6am CT. ONESOURCE Income Tax Workpapers will be unavailable during this time.
Posted on May 29, 2026 - 11:11 CDT
Posted on May 29, 2026 - 11:11 CDT
ONESOURCE State Apportionment Maintenance Jun 26, 2026 18:00 - Jun 27, 2026 06:00 CDT
ONESOURCE State Apportionment will be undergoing maintenance on Friday, June 26th 6pm – Saturday, June 27th 6am CT. ONESOURCE State Apportionment will be unavailable during this time.
Posted on May 29, 2026 - 11:05 CDT
Posted on May 29, 2026 - 11:05 CDT
ONESOURCE General Ledger Manager Maintenance Jun 26, 2026 18:00 - Jun 27, 2026 06:00 CDT
ONESOURCE General Ledger Manager will be undergoing maintenance Friday, June 26th 6pm – Saturday, June 27th 6am CT. ONESOURCE General Ledger Manager will be unavailable during this time.
Posted on May 29, 2026 - 11:11 CDT
Posted on May 29, 2026 - 11:11 CDT
ONESOURCE Sales & Use Tax Compliance Maintenance Jun 26, 2026 18:00 - Jun 27, 2026 06:00 CDT
ONESOURCE Sales & Use Tax Compliance will be undergoing maintenance on Friday, June 26th 6pm – Saturday, June 27th 6am CT. ONESOURCE Sales & Use Tax Compliance will be unavailable during this time.
Posted on May 29, 2026 - 11:05 CDT
Posted on May 29, 2026 - 11:05 CDT
ONESOURCE Workpapers Maintenance Jun 26, 2026 18:00 - Jun 27, 2026 06:00 CDT
ONESOURCE Workpapers will be undergoing maintenance Friday, June 26th 6pm – Saturday, June 27th 6am CT. ONESOURCE Workpapers will be unavailable during this time.
Posted on May 29, 2026 - 11:11 CDT
Posted on May 29, 2026 - 11:11 CDT
ONESOURCE DataFlow NextGen Maintenance Jun 26, 2026 18:00 - Jun 27, 2026 06:00 CDT
ONESOURCE DataFlow NextGen will be undergoing maintenance on Friday, June 26th 6pm – Saturday, June 27th 6am CT. ONESOURCE DataFlow NextGen will be unavailable during this time.
Posted on May 29, 2026 - 11:11 CDT
Posted on May 29, 2026 - 11:11 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 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
Posted on Nov 20, 2025 - 05:46 CST
ONESOURCE Statutory Reporting - Web [AMERS] Jul 2, 2026 21:30-22:30 CDT
Update -
ONESOURCE Statutory Reporting - Web [AMERS] will be undergoing scheduled maintenance during June 2, 2026 22:30 EDT to June 2, 2026 23:30 EDT.
May 27, 2026 - 04:07 CDT
May 27, 2026 - 04:07 CDT
Scheduled -
ONESOURCE Statutory Reporting - Web [AMERS] will be undergoing scheduled maintenance during June 1, 2026 22:30 EDT to June 1, 2026 23:30 EDT.
May 25, 2026 - 11:37 CDT
May 25, 2026 - 11:37 CDT
ONESOURCE GTM – AWS Maintenance Jul 5, 2026 00:00-17:00 CDT
Thomson Reuters will be performing scheduled maintenance on Sunday, July 5th, 2026 beginning at 1 AM Eastern time and will conclude by Sunday, July 5th, 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 Feb 25, 2026 - 12:44 CST
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 Feb 25, 2026 - 12:44 CST
ONESOURCE GTM – AWS Maintenance Jul 19, 2026 00:00-17:00 CDT
Thomson Reuters will be performing scheduled maintenance on Sunday, July 19th, 2026 beginning at 1 AM Eastern time and will conclude by Sunday, July 19th, 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 Feb 25, 2026 - 12:44 CST
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 Feb 25, 2026 - 12:44 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
Posted on Nov 20, 2025 - 05:32 CST
ONESOURCE GTM – AWS Maintenance Aug 9, 2026 00:00-17:00 CDT
Thomson Reuters will be performing scheduled maintenance on Sunday, Aug 9th, 2026 beginning at 1 AM Eastern time and will conclude by Sunday, Aug 9th, 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 Feb 25, 2026 - 12:44 CST
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 Feb 25, 2026 - 12:44 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
Posted on Nov 20, 2025 - 05:33 CST
2026 Disaster Recovery Testing for ONESOURCE Determination Enterprise Cloud (AWS EMEA) Aug 22, 2026 00:00-06:00 CDT
Disaster Recovery testing between 12:01 AM CDT and 6 AM CDT. No service interruption expected. Customers hosted in (AWS EMEA) region will continue to have full access to the ONESOURCE Determination tax calculation service and user interface during this DR testing window.
Posted on May 27, 2026 - 16:43 CDT
Posted on May 27, 2026 - 16:43 CDT