Delinquent FBAR submissions: the quiet fix for missed account reports

Figures relate to tax year 2025 (US)

A delinquent FBAR is a foreign-account report that never got filed on time. For people whose tax returns were otherwise complete and paid, the IRS keeps a dedicated fix: file the late FBARs electronically with a short statement explaining the delay. Handled properly, no penalty applies at all.

That is the good news. The catch is eligibility, because this route only fits a narrow situation. Use it when the streamlined program was the right door instead, and you can forfeit protections you badly needed. So this guide covers who qualifies, the exact filing steps, and the traps that turn a free fix into an expensive one.

Key takeaways

• The delinquent FBAR route fits people whose returns were right — only the account reports were missed.
• File the late FBARs electronically through FinCEN, selecting a reason for late filing.
• No penalty generally applies where all income was reported and tax paid.
• Missed returns or unreported income point to the streamlined program instead, never this route.
• Eligibility ends once the IRS opens an examination or asks about the missing reports.

What is a delinquent FBAR?

It is a FinCEN Form 114 that missed its filing date — 15 April, with an automatic extension to 15 October. The form reports foreign accounts whose aggregate topped $10,000 at any point in the year. So every unfiled year simply sits there as a delinquent FBAR, waiting for the fix this guide describes.

The fix has its own name at the IRS. Among the options for taxpayers with undisclosed foreign assets (opens in a new tab), the delinquent FBAR submission procedures cover exactly this case. They exist because Congress built harsh penalties for hiding money, not for paperwork slips by people who paid every dollar of tax.

Who qualifies for the penalty-free route?

Three conditions decide it. Your tax returns reported all income from the foreign accounts, including interest of a few pounds. You are not under IRS examination, and the IRS has not already contacted you about the missing reports. And your conduct was non-willful — an oversight, not a strategy.

In our practice we see the classic qualifier constantly: an American in the UK whose accountant filed accurate returns for years but never mentioned account reporting. The income was tiny and fully declared. Only the forms were missing. That person walks through this door cleanly.

Delinquent FBAR or streamlined: which door is yours?

The two routes serve different failures, and mixing them up is the costly mistake. Broadly, this route repairs paperwork while streamlined repairs returns. So choose based on what actually went wrong in your years, not on which process sounds lighter or faster to complete:

When any income from those accounts stayed off your returns — even £40 of interest — the delinquent FBAR route stops fitting. The streamlined program handles that pattern instead, and our streamlined guide walks the whole thing through. Genuinely borderline files deserve a specialist call first.

How do you file the late reports?

You file each missed year electronically through FinCEN's BSA e-filing system, the same portal used for on-time reports. The mechanics are simple, everything happens online, and a tidy file takes an afternoon. Here is the sequence we run for a clean delinquent FBAR catch-up:

1. Confirm eligibility honestly: income reported, tax paid, no IRS contact, non-willful facts.
2. List every account per year — bank, savings, pensions, joint accounts, signature authority.
3. Find each account's highest balance in each year, converted at the Treasury year-end rate.
4. File each late year through FinCEN's online system — up to six years back.
5. Select the reason for filing late on the form itself; a concise explanation is built in.
6. Keep confirmations and your workings — banks and lenders ask for proof surprisingly often.
7. Diary future FBARs alongside your tax return so the gap never reopens.

Which accounts belong on each report?

More than most people expect. Because the rules track control as well as ownership, the list runs far wider than a current account. So before filing anything at all, walk through every category below for every late year, and note the balances as you go:

• Current and savings accounts, including ones that sat dormant all year
• Cash ISAs and stocks-and-shares ISAs
• Workplace and personal pensions, in most cases
• Joint accounts with a spouse or parent, counted at full value
• Accounts you can sign on for an employer, a club or a relative, even with none of your own money in them
• Fintech balances — money held with app-based providers counts like any bank

When in doubt, include the account, because over-reporting costs nothing here. However, a missed account on a catch-up filing undermines the very statement you are making about the delay. Completeness is the whole point of the exercise, so an extra row on the form is always the safer error.

Do amended returns ever come into it?

Sometimes, and this is where the route quietly connects to your tax filings. The delinquent FBAR procedures assume the returns were right. When a larger balance also crossed the FATCA thresholds, Form 8938 belonged on those returns, and an amendment may be needed alongside the account reports.

So run both checks together. First, the $10,000 aggregate test for the FBAR side. Then the Form 8938 thresholds, which start at $200,000 of year-end assets for single filers living abroad. Our free FBAR Threshold Calculator handles the first check in seconds.

What should the late-filing statement say?

Keep it short, factual and personal. The form offers standard reasons, plus space to explain. One or two sentences usually carry it: you did not know the requirement existed, your returns reported all the income, and you filed promptly once you learned. Honest and specific beats elaborate every time.

Resist the urge to argue or over-explain, because the statement is not a legal brief and nobody grades your prose. It simply records why the reports were late, consistently with the facts your returns already show. Contradictions between the statement and the filings are what draw attention, so consistency is the entire craft here. In short: say what happened, say it plainly, and stop.

The delinquent FBAR route rewards the person who paid every dollar and missed only the paperwork.

What does it cost, and what are the stakes?

Filing itself is free, and professional help for a straightforward six-year catch-up sits at the modest end of cross-border fees. The stakes of ignoring it are not modest. Per the IRS FBAR guidance (opens in a new tab), non-willful violations carry penalties that adjust for inflation each year, while willful ones scale with account balances.

The Supreme Court settled one mercy in 2023: non-willful penalties apply per late report, not per account. Even so, several years multiplied by five figures concentrates the mind. Free fix now, or five figures later — the arithmetic is not close. Our guide to FBAR deadlines and penalties sets out the full schedule.

A worked example

Take an illustrative example. A software engineer from Texas moved to Bristol in 2020. His US accountant filed accurate returns every year, reporting his £6 of UK interest faithfully. But nobody ever mentioned account reports.

Then, in 2026, a mortgage adviser asks for his FBARs. So he counts the damage: six missing years across three accounts.

His fix takes one afternoon. Because every dollar of income was reported and taxed, he qualifies for the delinquent FBAR procedures. He gathers statements, files 2020 through 2025 electronically, and selects the did-not-know reason with a two-line note. No penalty, no letter, no drama — just six confirmations in his records.

The mistakes that break the penalty protection

This route fails people in predictable ways. Every one of these is avoidable with an hour of honest review before filing anything:

• Using it while income sat unreported — the returns get examined against the new FBARs, and the mismatch surfaces.
• Quietly filing late FBARs with no reason selected, which abandons the procedure's protection entirely.
• Missing accounts: pensions, dormant savings, joint accounts and employer signature authority all count.
• Using year-end balances instead of each year's highest balance.
• Waiting out an IRS letter — contact about the reports ends eligibility on the spot.
• Stopping at the FBARs when Form 8938 was also required on the returns themselves.

That last one matters for larger balances. FATCA reporting on the return runs on its own thresholds, and fixing one report while ignoring the other leaves the job half done. A quick threshold check against both regimes takes minutes and settles it.

How US UK Tax Accountants helps

We review the eligibility question first, because the door you choose matters more than the speed you move. Then our FBAR and FATCA reporting service handles the filings end to end: balances, conversions, reason statements and confirmations. One senior specialist, a fixed fee agreed in writing, and both countries' pictures checked in the same pass.

Where the facts point to streamlined instead, we say so plainly before any work begins. The certification that route requires is covered in our Form 14653 guide, and the difference in preparation effort is exactly why the eligibility call always comes first.

After the catch-up: staying current

Once the delinquent FBAR years are filed, the maintenance is light. Each spring, list the accounts, pull the highest balances, and file alongside the tax return. Because the October extension is automatic, autumn filers lose nothing by pairing the two tasks permanently.

Also build one habit that saves future pain: keep a running note of new accounts as you open them. Switching bonuses, savings pots and app-based accounts multiply quietly over a few years abroad. So the person who lists accounts each January never reconstructs six years of statements in a panic. Ten minutes of record-keeping a year buys that peace outright, and your future preparer will thank you for it.

Fix the gap this week

If your returns were right and only the account reports were missed, this is the cheapest compliance fix in the US system. Tell us the years and the accounts. We will confirm the route, quote a fixed fee in writing, and file everything properly. Book a consultation and hear back within one working day.

Last reviewed 8 September 2026 by the US UK Tax Accountants Tax Team. This article is general information, not personal tax advice — speak to a qualified US/UK tax adviser about your own position.

For the neighbouring question, Fixing a filed US return: when to amend and when to leave it walks through it in detail.

For the neighbouring question, The quiet disclosure trap: why slipping amended returns through rarely works walks through it in detail.