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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.
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Action Required: Update Oracle Fusion Cloud Allowlist for ONESOURCE Determination AWS Network Change by 31 October 2026 (AWS AMER)
Scheduled for Oct 22, 12:30 CDT - Oct 24, 12:30 CDT
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Scheduled
Thomson Reuters is upgrading the network infrastructure hosting ONESOURCE Enterprise Cloud Determination in AWS AMER Region. We are migrating from NAT gateway-based connectivity to AWS PrivateLink (VPC Endpoints).
What You Need to Know:
If your organization whitelists Thomson Reuters gateway IP addresses in your Oracle Fusion Cloud firewall rules, you must update those rules before 31 October 2026.
Effective Date: 31 October 2026
Expected Downtime: None
Impact if No Action: Tax calls will fail; tax calculation disrupted
Your Action Items:
1. Confirm applicability – Is whitelisting currently enabled for NAT Gateway IP addresses in Oracle Fusion Cloud?
2. Confirm Region – Is ONESOURCE Determination endpoint hosted in AWS?
3. Add IP Addresses to Allowlist – If Yes for 1 and 2, then add following IP Addresses to Allowlist
164.57.0.0/17
164.57.128.0/18
164.57.224.0/19
4. Remove old NAT gateway IPs after cutover is confirmed
Need Help?
- Submit support case with subject 'Reg Upcoming AWS NAT Gateway Changes'
What You Need to Know:
If your organization whitelists Thomson Reuters gateway IP addresses in your Oracle Fusion Cloud firewall rules, you must update those rules before 31 October 2026.
Effective Date: 31 October 2026
Expected Downtime: None
Impact if No Action: Tax calls will fail; tax calculation disrupted
Your Action Items:
1. Confirm applicability – Is whitelisting currently enabled for NAT Gateway IP addresses in Oracle Fusion Cloud?
2. Confirm Region – Is ONESOURCE Determination endpoint hosted in AWS?
3. Add IP Addresses to Allowlist – If Yes for 1 and 2, then add following IP Addresses to Allowlist
164.57.0.0/17
164.57.128.0/18
164.57.224.0/19
4. Remove old NAT gateway IPs after cutover is confirmed
Need Help?
- Submit support case with subject 'Reg Upcoming AWS NAT Gateway Changes'
This scheduled maintenance affects: Indirect Tax (ONESOURCE Determination Enterprise Cloud (AWS AMER)) and IDT Integrations (Oracle Fusion Tax Cloud - 2.x).