International Data Exchange Service (IDES) - Knowledge Base
FIs and HCTAs can learn how to Enroll using this online documentation.
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User Guides
International Data Exchange Service User Guide (PDF)
FATCA User Guide
Frequently Asked Questions:
IDES Frequently Asked Questions
Additional FAQs are available for FATCA - FAQs General, FATCA FFI List, and FATCA IDES Technical FAQs.
Additional Support
FATCA Compliance Help
- If you have further questions about foreign financial institutions' compliance with the U.S. FATCA legislation, please submit your question.
FATCA Registration System Technical Support:
- If you need system support for the online FATCA Registration, including help with login problems, error messages, and other technical issues, please submit your technical system problem.
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The system technical support team cannot respond to tax law questions regarding the FATCA regulations.