Late FBAR Filing: Penalties and Delinquent FBAR Steps
Last reviewed: July 18, 2026. General educational information only. A late-filing decision depends on the taxpayer's complete facts.
An FBAR is late when a person who was required to file FinCEN Form 114 did not submit it by the applicable deadline. The IRS says to file a delinquent FBAR as soon as possible when it has not already contacted you about the late report and you are not under an IRS civil examination or criminal investigation.
There is no universal “late FBAR letter” that guarantees penalty relief. The filing, explanation, tax-return history, unreported income, state of mind, and any existing government contact can change the correct compliance path.
Who has to file an FBAR?
A United States person generally must file when they have a financial interest in, or signature or other authority over, foreign financial accounts whose aggregate value exceeds $10,000 at any time during the calendar year. The threshold applies to the combined accounts, not separately to each account.
The FBAR is filed electronically through FinCEN's BSA E-Filing System. It is not attached to Form 1040. See the IRS FBAR filing guide and FinCEN's FBAR overview.
What is the FBAR deadline?
The regular due date is April 15 following the reported calendar year. A filer who misses April 15 receives an automatic extension to October 15 without filing an extension request. Disaster relief or special signature-authority rules can change a particular deadline.
How do you file a delinquent FBAR?
The IRS's current public instructions say to:
- File the delinquent report electronically through the BSA E-Filing System.
- Select the applicable late-filing reason and provide an explanation.
- File the complete report for the correct prior calendar year.
- Follow the separate instructions if the filing is part of an IRS compliance option such as a streamlined procedure.
- Retain the filing acknowledgement and the supporting account records.
If the IRS has already contacted the filer or an examination or criminal investigation is underway, the public “file as soon as possible” instructions are not a substitute for professional advice.
What should a late FBAR explanation include?
A useful factual explanation normally addresses:
- when and how the filing requirement was discovered;
- why the report was not filed on time;
- which years and accounts were affected;
- whether related income was reported correctly on the federal returns;
- what corrective action was taken; and
- what procedures will prevent another late filing.
Do not copy a fictional reasonable-cause letter and present it as the taxpayer's history. Reasonable cause is determined from actual facts, and an inaccurate explanation can create a larger problem than a concise truthful one.
Is there automatically a penalty for filing an FBAR late?
No automatic outcome applies to every late report. The IRS states that it will not penalize a properly reported foreign account on a late FBAR when it finds reasonable cause for the late filing. That does not mean every voluntary late filing receives relief.
Civil penalty ceilings are adjusted for inflation and depend on whether a violation is non-willful or willful. For a non-willful violation, the Supreme Court held in Bittner v. United States that the statutory penalty accrues on a per-report, rather than per-account, basis. Read the Supreme Court opinion.
For a willful violation, the statutory ceiling can be the greater of an inflation-adjusted amount or 50% of the balance in the relevant account at the time of the violation. Criminal consequences are also possible for willful violations. The exact exposure should be calculated under the rules applicable to the violation and assessment dates, not from an old unadjusted number copied from an article.
The IRS examiner guidance also requires consideration of the facts, whether a warning letter is appropriate, reasonable cause, willfulness, and documented managerial review. See the IRS FBAR penalty manual.
Which late-filing path applies?
Start with the dedicated FBAR reasonable cause vs. streamlined filing decision guide. It separates a late FBAR with fully reported income from broader failures involving income, tax, or international information returns.
The answer depends on more than the missing FBAR:
- A filer whose related income was reported and who is not already under examination may be able to follow the ordinary delinquent-FBAR instructions.
- A qualifying non-willful taxpayer with unreported foreign income or international forms may need one of the Streamlined Filing Compliance Procedures.
- A person concerned that the conduct was willful should obtain legal advice before making a certification or submission. The IRS directs those taxpayers to consider its Criminal Investigation voluntary disclosure process with professional or legal advisers.
Residence alone does not choose the procedure, and filing six late FBARs is not automatically a complete offshore submission. Each program has separate eligibility, return, payment, certification, and filing requirements.
Can an enrolled agent help with a late FBAR?
An enrolled agent can assist with federal tax compliance and may represent a client in an FBAR examination when properly authorized. Offshore matters can also involve criminal exposure, privilege, foreign law, and complex entity reporting. When willfulness may be disputed, legal counsel experienced in offshore compliance may be appropriate before the taxpayer communicates with the government.
For exam preparation, remember the durable distinctions: the $10,000 filing threshold is aggregate; the FBAR is separate from the income-tax return; October 15 is generally automatic; reasonable cause is factual; and non-willful penalties are analyzed per report under Bittner.
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Related: Form 14654 Instructions and 5% Penalty Example · How to Find an EA Who Knows Foreign Taxes · Form 2848 vs. Form 8821