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FBAR Statute of Limitations: The 6-Year Window for Penalty Assessment

What is the FBAR statute of limitations? Under 31 USC 5321(b)(1), the government has six years to assess civil penalties against anyone who fails to file an FBAR -- the foreign bank account report. FBAR reporting rules apply to every U.S. person with a financial interest in or signature authority over foreign financial accounts that exceed $10,000 in aggregate value. The key question about the statute of limitations the FBAR statute provides is how long the IRS has to act. Knowing this timeline is key to avoid penalties and protect your interests.

The FBAR statute of limitations applies to both willful and non-willful FBAR penalties. The full name of this form is the Report of Foreign Bank and Financial Accounts -- also called the foreign bank account report FBAR. Once the six-year period closes, the IRS loses the authority to impose an FBAR penalty for that violation. But the clock does not always run straight. Tolling agreements, fraud exceptions, and criminal statutes can shift the timeline. The FBAR is subject to separate rules from your income tax return. If you are caught up in FBAR the penalties can be severe. This guide covers the law, key FBAR cases, and practical steps every taxpayer should know.

What Is the FBAR Statute of Limitations Under 31 USC 5321(b)(1)?

Under 31 USC 5321(b)(1), the government cannot assess a civil penalty more than six years from the date of the violation. For FBAR purposes, the "violation" is the failure to file an FBAR by the due date of the FBAR for that calendar year.

The FBAR for each calendar year is due April 15 of the following year under 31 CFR 1010.306(c). An automatic extension pushes the deadline to October 15. If you did not file your 2019 FBAR by October 15, 2020, the six-year statute runs from that date. The government would have until October 2026 to assess penalties.

This six-year period is longer than the standard three-year statute for income tax returns under 26 USC 6501(a). Congress chose a longer window because FBAR and tax law enforcement on offshore accounts takes more time. The IRS finds foreign bank accounts through FATCA data, John Doe summonses, and treaty exchanges. These processes can take years.

When Does the FBAR Statute of Limitations Clock Start Running?

The clock starts on the date of the violation. For an FBAR, the violation date is the day after the FBAR filing deadline passes without a filing. Since the automatic extension runs to October 15, the violation occurs on October 16 if you did not file the required report.

Here is how the timeline works for recent tax years:

Calendar Year	FBAR Due Date	Extended Due Date	Violation Date	Statute Expires
2019	April 15, 2020	October 15, 2020	October 16, 2020	October 16, 2026
2020	April 15, 2021	October 15, 2021	October 16, 2021	October 16, 2027
2021	April 15, 2022	October 15, 2022	October 16, 2022	October 16, 2028
2022	April 15, 2023	October 15, 2023	October 16, 2023	October 16, 2029
2023	April 15, 2024	October 15, 2024	October 16, 2024	October 16, 2030

Note that taxpayers must file an FBAR each year they meet the $10,000 threshold. The FBAR reporting deadline and the statute of limitations for each year run independently.

Does Filing a Late FBAR Restart the Clock?

No. Filing a late FBAR does not restart or extend the six-year statute. The clock starts on the date of the original violation, not the date you file. The Bank Secrecy Act statute under 31 USC 5321(b)(1) runs from the violation date no matter what. This differs from income tax, where an amended return can trigger a new window.

Civil vs. Criminal Statutes of Limitations for FBAR Violations

The six-year statute under 31 USC 5321(b)(1) applies only to civil FBAR penalties. Criminal FBAR violations under 31 USC 5322 follow a separate five-year statute under 18 USC 3282. When violations connect to tax evasion under 26 USC 7201, the criminal statute extends to six years under 26 USC 6531, and criminal prosecution may follow.

Type	Statute	Time Limit	Governs
Civil (non-willful)	31 USC 5321(b)(1)	6 years	Penalties up to $12,909 per report
Civil (willful)	31 USC 5321(b)(1)	6 years	Penalties up to $100,000 or 50% of balance
Criminal (BSA)	18 USC 3282	5 years	Fines up to $250,000, 5 years prison
Criminal (tax evasion)	26 USC 6531	6 years	Fines up to $500,000, 10 years prison

How the FBAR Statute of Limitations Applies to Willful vs. Non-Willful Penalties

The six-year period applies equally to willful or non-willful FBAR penalties. Intent does not change the limitations window. However, the FBAR penalty amounts within that window differ sharply.

Non-willful penalties cap at $12,909 per report under 31 USC 5321(a)(5)(B). The Supreme Court ruled in United States v. Bittner, 598 U.S. 95 (2023), that the penalty applies per report, not per account. Six open years cap at roughly $77,454 total. For more on this, see our guide to willful vs. non willful penalties.

Willful FBAR penalties are the greater of $100,000 or 50% of the account balance per account, per year under 31 USC 5321(a)(5)(C). Six years of willful penalties on a single $500,000 foreign bank account could reach $1,500,000. The government has a strong incentive to act before the statute runs on earlier years. Taxpayers facing potential willful FBAR penalties should consult a tax attorney immediately.

Key FBAR Cases and Court Decisions on the Statute of Limitations

United States v. Bussell (C.D. Cal. 2015)

In United States v. Bussell, the government sued to collect willful FBAR penalties under 31 USC 5321(a)(5)(C). Bussell argued that penalties for certain years were time-barred. The court confirmed the six-year statute runs from the date of the violation. It also held that the government must both assess and file suit within the limitations period. This set a firm statutory deadline no matter when the IRS found the violation.

United States v. Williams (4th Cir. 2012)

In United States v. Williams, 489 F. App'x 655 (4th Cir. 2012), the court upheld willful FBAR penalties of $3.2 million across multiple years. The IRS assessed willful penalties per account, per year within the six-year window. Williams showed how the government compounds penalties across every open year.

Tolling Agreements: How the IRS Can Extend the FBAR Statute of Limitations

A tolling agreement is a voluntary contract between the taxpayer and the IRS that pauses the statute of limitations clock. The IRS may request one when it needs more time to complete an FBAR examination.

When you sign a tolling agreement, the six-year clock stops running for the agreed period. If the statute was set to expire on October 15, 2026, and you sign a one-year tolling agreement, the new deadline moves to October 15, 2027.

The IRS cannot force you to sign. But refusing may push the IRS to assess penalties right away rather than risk losing authority. A tax attorney with FBAR and offshore compliance experience can advise whether signing helps your case.

What Happens When the FBAR Statute of Limitations Expires?

Once the six-year statute expires, the government permanently loses the right to assess civil penalties for that FBAR violation. Therefore, the IRS cannot reopen the year, even if new evidence surfaces.

After expiration, the IRS cannot:

Issue a penalty notice for that year
File a civil lawsuit to collect
Include that year in penalty calculations

However, related tax obligations may remain open. The income tax statute under 26 USC 6501 runs on its own. If you failed to report foreign income on your tax return, the IRS may still assess tax and accuracy penalties under the tax code.

How to Avoid FBAR Penalties Before the Statute Runs

The statute of limitations has direct effects on how taxpayers handle past non-filing. If you missed prior years, you can still take steps to avoid penalties and reduce your risk. The IRS treats voluntary filers far more favorably than those it discovers through FATCA data or offshore investigations. Follow these steps to protect yourself.

File delinquent FBARs now. The IRS Delinquent FBAR Submission Procedures let late filers file an FBAR without penalties when all foreign income was reported. For filers with unreported income, the streamlined filing compliance procedures offer lower penalties.
Ask about a voluntary disclosure program. A voluntary disclosure program may apply for taxpayers with large offshore exposure who want to avoid criminal prosecution. A tax attorney can help you decide.
Keep records for at least six years. Retain bank statements from foreign bank accounts, account opening documents, and records of maximum account values. See our first-time filer guide for details on the information you need to file an FBAR.
Do not assume old years are safe. If you failed to file an FBAR for 2020, the statute does not expire until October 2027. FATCA data from the foreign banks keeps flowing to the IRS.

Frequently Asked Questions About FBAR Statute of Limitations

How long does the IRS have to assess FBAR penalties?

The IRS has six years from the violation date to assess civil FBAR penalties under 31 USC 5321(b)(1). For most filers, this means six years from October 16 of the year after the calendar year in question.

Is the FBAR statute of limitations different for willful violations?

No. The six-year civil statute under 31 USC 5321(b)(1) applies to both willful and non-willful penalties. However, criminal FBAR violations under 31 USC 5322 follow a separate five-year statute under 18 USC 3282, or six years when linked to tax evasion.

Does filing a late FBAR extend the statute of limitations?

No. Filing late does not restart or extend the six-year clock. The statute runs from the original violation date. Nevertheless, filing late is still wise because it reduces your penalty exposure through the delinquent FBAR submission procedures.

Can the IRS extend the FBAR statute of limitations?

The IRS can request a tolling agreement that pauses the statute of limitations. The taxpayer must agree to sign -- tolling is voluntary. Consequently, refusing may prompt the IRS to assess penalties right away.

What happens after the FBAR statute of limitations expires?

Once the six-year statute expires, the government cannot assess civil penalties for that FBAR year. The expiration is permanent and cannot be reversed. However, the income tax statute may still be open if foreign income was unreported.

Does the FBAR statute of limitations apply to criminal cases?

No. Criminal FBAR violations follow separate statutes. The general federal criminal statute is five years under 18 USC 3282. When FBAR violations connect to tax evasion, the criminal statute is six years under 26 USC 6531.

How many years back can the IRS go for FBAR penalties?

The IRS can go back six years from the violation date. At any given time, the IRS has authority to assess FBAR penalties for up to six open years. Older years are time-barred. For a detailed overview of penalty amounts, see our guide to FBAR penalties.

Should I file delinquent FBARs for years close to the statute expiring?

Yes. Filing shows good faith and helps you avoid harsher penalties. Even if the statute is close to expiring, file all past-due FBARs to show non-willful intent. The IRS may assess penalties fast if it believes the statute is about to close.

Protect Yourself by Filing Your FBAR on Time

The statute of limitations gives the IRS six years to find and penalize unfiled FBARs. That is a long window. FATCA data, treaty exchanges, and John Doe summonses give the IRS steady streams of foreign accounts data. Every year you delay adds another open year subject to assessment.

If you have foreign bank accounts or foreign financial accounts that require reporting, file your FBAR before the deadline. If you missed past filings, consider the delinquent submission procedures or the streamlined filing compliance procedures to come into compliance under favorable terms.

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Tax regulations change frequently. Always verify current requirements at IRS.gov or FinCEN.gov. For advice specific to your situation, consult a qualified tax professional. This article is current as of March 18, 2026.