Quick answer

FBAR (FinCEN Form 114) is an annual report to the U.S. Treasury (FinCEN) for foreign financial accounts with an aggregate value over $10,000 at any time during the year. FATCA reporting for individuals is done on IRS Form 8938 when foreign assets exceed thresholds that depend on filing status and whether you live in the U.S. or abroad. Deadlines differ: FBAR is filed electronically to FinCEN; Form 8938 is filed with your tax return to the IRS. (See FinCEN and IRS guidance below.)

When to file FBAR (FinCEN Form 114)

  • Who files: U.S. citizens, U.S. residents, certain domestic entities, and persons with signature or financial authority over foreign accounts.
  • Threshold: aggregate foreign account value greater than $10,000 at any time during the calendar year (FinCEN Form 114 instructions) [FinCEN].
  • Where/how: File electronically through BSA E-Filing System (FinCEN); it is not filed with your tax return. (FinCEN: BSA E-Filing).
  • Deadline: April 15, with an automatic extension to October 15 (FinCEN guidance).

When to file FATCA (IRS Form 8938)

  • Who files: “Specified individuals” with an interest in specified foreign financial assets (generally U.S. citizens, resident aliens, and certain non-resident citizens).
  • Thresholds (individuals; in 2025 these are current):
  • Single (living in U.S.): more than $50,000 on the last day of the tax year or more than $75,000 at any time during the year.
  • Married filing jointly (living in U.S.): more than $100,000 on the last day or more than $150,000 at any time.
  • Higher thresholds apply to taxpayers living abroad (e.g., $200,000/$300,000 single; $400,000/$600,000 married filing jointly) (IRS Form 8938 instructions) [IRS].
  • How: Attach Form 8938 to your annual income tax return; it follows the income tax filing deadline (with extensions available if you extend your tax return).

How penalties are determined

  • FBAR penalties (FinCEN/IRS):
  • Non-willful violations: civil penalty up to $10,000 per violation (commonly assessed for inadvertent failures) but the IRS/FinCEN consider facts and circumstances when assessing penalties. (See FinCEN and IRS FBAR penalty guidance.)
  • Willful violations: much harsher — civil penalty can be the greater of $100,000 or 50% of the account balance at the time of the violation, per violation; criminal penalties also possible, including fines and imprisonment. (FinCEN/IRS guidance)
  • FATCA/Form 8938 penalties (IRS):
  • Failure to file Form 8938 may result in a $10,000 penalty; an additional $10,000 may be charged if you do not file within 90 days after IRS notice, and criminal penalties can apply in severe cases.
  • Separate tax penalties (e.g., accuracy-related penalties or additional taxes on understatements attributable to undisclosed foreign assets) can also apply depending on circumstances. (IRS FATCA penalties information.)

Note: Penalty amounts and enforcement depend on whether the failure was willful, the magnitude of the omission, and whether the taxpayer corrects the issue voluntarily.

Overlap between FBAR and Form 8938 — what to watch for

  • Some accounts trigger both filings; FBAR and Form 8938 have different definitions and thresholds. You may need to file both forms for the same account. See our deeper guide: “FBAR vs. Form 8938: What to File for Foreign Financial Accounts” (internal link: https://finhelp.io/glossary/fbar-vs-form-8938-what-to-file-for-foreign-financial-accounts/).
  • Foreign financial institutions also report under FATCA to the IRS, which increases IRS matching and enforcement (IRS FATCA pages).

Examples (practical)

  • Simple FBAR trigger: A U.S. resident holds one foreign checking account with a $12,000 balance during the year. Aggregate exceeds $10,000 → file FBAR.
  • Form 8938 trigger: A single taxpayer living in the U.S. holds foreign brokerage and cash accounts that total $80,000 at peak during the year → file Form 8938 with the tax return.

How penalties are mitigated or avoided

  • If you missed filings but the failure was non-willful, consider the IRS Streamlined Filing Compliance Procedures (for eligible taxpayers) or the Delinquent FBAR Submission Procedures — both can reduce or eliminate penalties when used correctly. (IRS Streamlined Procedures).
  • Voluntary disclosure and prompt correction: File delinquent FBARs and Form 8938s, pay any tax due, and attach explanatory statements when appropriate. Do not rely on generalized internet advice — get professional help for disclosure strategies.

Practical filing tips

  • Keep clear records: account statements, exchange rates used for dollar conversions, and documentation of account ownership/authority.
  • Use FinCEN’s BSA E-Filing system to submit Form 114; keep the confirmation receipt.
  • Coordinate Form 8938 reporting with your U.S. income tax return — these are filed together.

Where to read official guidance

  • FinCEN: Report of Foreign Bank and Financial Accounts (FBAR), FinCEN Form 114 and e-filing instructions (FinCEN BSA E-Filing).
  • IRS: FATCA (Form 8938) and FBAR reporting requirements and penalties (IRS FATCA and FBAR pages).

Further reading on FinHelp.io

Professional disclaimer: This entry is educational and does not replace personalized tax or legal advice. The rules for FBAR, FATCA, penalties, and disclosure options are complex and fact-specific; consult a CPA or tax attorney for guidance. Authoritative sources used: FinCEN and IRS guidance on FBAR and FATCA (see IRS and FinCEN pages cited above).