The Foreign Account Tax Compliance Act (FATCA): What Foreign Banks and U.S. Clients Need to Know
What FATCA is and why it was enacted
The Foreign Account Tax Compliance Act, enacted in 2010 as part of the HIRE Act, fundamentally changed the landscape of offshore financial account compliance for U.S. taxpayers and foreign financial institutions alike. Before FATCA, the United States relied primarily on voluntary disclosure and the FBAR regime to enforce offshore reporting. FATCA added a second layer: it requires foreign banks, brokerages, insurance companies, and other financial institutions to identify their U.S. account holders and report account information directly to the IRS — or face a punishing 30% withholding tax on certain U.S.-source payments.
The result is that U.S. taxpayers with foreign accounts can no longer rely on foreign bank secrecy as a shield. The information is flowing to the IRS regardless of whether the taxpayer reports it voluntarily. For those who have not been compliant, this dramatically increases the likelihood of detection.
How FATCA works: the FFI framework
Foreign financial institutions (FFIs) — a broad category that includes banks, custodians, investment funds, insurance companies with investment products, and certain holding companies — must enter into agreements with the IRS or operate under an intergovernmental agreement (IGA) between the United States and their home country. Under these arrangements, FFIs are required to identify accounts held by U.S. persons (directly or through certain foreign entities), collect tax identification numbers and other account information, and report that information annually to the IRS or to their home country tax authority, which then forwards it to the IRS.
IGAs have been signed between the United States and over 100 countries, making FATCA effectively a global information-sharing regime. FFIs that do not comply are subject to 30% withholding on U.S.-source income and gross proceeds — a severe economic penalty designed to make non-compliance prohibitively costly.
What FATCA means for U.S. account holders
For U.S. individuals and entities with foreign financial accounts, FATCA means that account information is being transmitted to the IRS whether or not they file Form 8938 themselves. The practical consequence is that unreported foreign accounts are more likely to be discovered than ever before. The IRS regularly cross-references FATCA data against filed returns and information returns, and discrepancies trigger examination activity.
FATCA also affects U.S. persons' ability to open and maintain foreign accounts. Many foreign financial institutions — particularly smaller banks — have elected to avoid the compliance burden entirely by closing or refusing to open accounts for U.S. persons. This "de-risking" phenomenon has made banking abroad considerably more difficult for Americans living internationally.
FATCA and the broader reporting ecosystem
FATCA does not replace the FBAR or Form 8938 — it operates alongside them. A U.S. taxpayer with reportable foreign accounts may need to file an FBAR with FinCEN, attach Form 8938 to their income tax return, and report income from those accounts on the return itself. FATCA's reporting by the foreign institution is a separate stream of information flowing to the IRS, not a substitute for the taxpayer's own obligations. Failing to file the required forms remains a separate violation regardless of whether the FFI has already reported the account.
FATCA's reach into foreign entities
FATCA also applies to certain foreign entities — partnerships, corporations, and trusts — in which U.S. persons hold substantial interests. Passive foreign investment vehicles and foreign holding companies may be classified as "passive non-financial foreign entities" (passive NFFEs) under FATCA, requiring withholding agents to collect certifications about U.S. ownership before making U.S.-source payments. For U.S. persons using foreign entities as part of their investment or estate planning structure, FATCA adds a layer of documentation and compliance that must be managed carefully.
If you have foreign financial accounts or entities and are unsure how FATCA affects your reporting obligations, our cross-border tax attorneys can assess your situation and help you maintain full compliance. Contact us today.
