1. Thomson Reuters Tax & Accounting software and research solutions
  2. Thomson Reuters ONESOURCE corporate tax software and services
  3. Your W-8/W-9 validation and collection solution for FATCA and CRS


AEOI Documentation
An integrated solution to simplify the W-8 validation and collection process

Why choose AEOI Documentation

The global move toward tax transparency demands a new approach to compliance. Thomson Reuters ONESOURCE AEOI Documentation helps your firm meet Common Reporting Standard (CRS) and Foreign Account Tax Compliance Act (FATCA) requirements for collecting client data and validating tax documents. Our automated system speeds up the way you manage W-8, W-9, and self-certification tax forms in any jurisdiction. Automatically scan forms for changes, validate documents in real time, and resolve issues surrounding regulatory compliance, tax documentation, and tax reporting. With AEOI Documentation, you’ll save time and money while ensuring audits go smoothly.

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What you get with AEOI Documentation

Real-time validation

AEOI Documentation finds and flags potential errors before submission.

Robust data reporting

Historic data reporting gives you instant snapshots that let you see any time period.

Easy GIIN validation

Validate the Global Intermediary Identification Number (GIIN) against the IRS-published foreign financial institution (FFI) list.

Support for languages

​Form data-capture is available in any required language, including English, Spanish, and Chinese.

Supports your processes

Integrate easily with internal processes and onboarding systems through comprehensive APIs and online services.

Wet signature integration

Request a "wet" signature as an electronic alternative required by some jurisdictions.

About CRS and FATCA compliance

Together, CRS and FATCA have shaken up international tax reporting. Thomson Reuters gives you the information and tools you need to navigate regulations.

Ready to start a conversation?

Need more information about how our solutions can work for you? Drop us a line and someone from our sales team will get back to you. Or you can call a representative in your region at

+1 800 865 5257

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