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FBAR

Also known as: Foreign Bank Account Report, FinCEN Form 114, Report of Foreign Bank and Financial Accounts

Quick answer

FBAR is the Foreign Bank Account Report (FinCEN Form 114) that US persons file annually if the aggregate value of their foreign financial accounts exceeded $10,000 at any point during the year. Filed electronically with the Treasury Department's FinCEN (not the IRS), separate from Form 1040. Penalties for wilful non-filing can reach 50% of the account balance per year. Due date: 15 April with automatic 6-month extension.
Reference:31 U.S.C. § 5314 + 31 C.F.R. § 1010.350 + FinCEN Form 114

FBAR pre-dates FATCA by 40 years (originating in the 1970 Bank Secrecy Act) but became dramatically more enforced after FATCA cross-referencing began in 2014. The reporting trigger is the aggregate balance across ALL foreign financial accounts on which the US person has signature authority or financial interest exceeding $10,000 USD-equivalent at any single point during the calendar year — even for one day. This is a low threshold compared to FATCA's $200,000+ for expat individuals.

Reportable accounts include: foreign bank accounts (checking, savings, time deposits), foreign brokerage and securities accounts, foreign mutual funds, foreign pension accounts (a frequent surprise for expats), and certain foreign life insurance policies with cash value. Accounts held jointly with a non-US-person spouse must still be reported if the US person has signature authority. Pre-paid cards, gift cards, and crypto wallets are currently not reportable, though the rules around digital-asset accounts are evolving.

Filing: electronic only via the BSA E-Filing System. Due date is 15 April, with an automatic extension to 15 October. No physical paper option. The form requests for each account: institution name and address, account number, account type, maximum value during the year, and ownership structure.

Non-filing penalties: • Non-wilful: $10,000 per year (per Bittner v. United States, 2023, the cap is per FBAR not per account — a meaningful taxpayer victory). • Wilful: greater of $100,000 or 50% of the account balance per year. Criminal prosecution possible in egregious cases.

The Streamlined Filing Compliance Procedure remains the standard remedy for non-wilful non-filers, requiring 6 years of back FBARs plus 3 years of back tax returns.

Sources

Last factual review: 2026-05-08.

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