Can the US IRS seize foreign assets? What expats must know in 2026

Written by  Andrew Coleman, CPA

Last updated Aug 21, 2026

Quick answer box

• Lien authority: IRC Section 6321 attaches automatically once tax is assessed and payment demanded.
• FATCA reporting threshold: $50,000 end-of-year for single US-resident filers; $200,000 end-of-year for single expats abroad (Form 8938).
• FBAR penalties (2025): Up to $16,536 per report for non-willful violations; the greater of $165,353 or 50% of the account balance per violation for willful conduct (assessments on or after January 17, 2025).
• Passport risk: Seriously delinquent tax debt above $64,000 in calendar year 2025 ($66,000 applies for 2026) can trigger passport revocation under IRC 7345.
• Voluntary compliance: Streamlined Foreign Offshore Procedures carry a 0% Title 26 penalty for qualifying non-willful expats – see our full guide to foreign assets disclosure for the mechanics.

Can the US seize foreign assets? Quick answer

Yes, the IRS can seize foreign assets – but its ability to do so depends heavily on whether the country involved has a tax treaty or mutual legal assistance treaty (MLAT) with the United States.

The IRS derives its lien authority from IRC Section 6321, which reaches all property and rights to property belonging to a delinquent taxpayer with no geographic limitation. Practical enforcement, though, depends on FATCA reporting cooperation from more than 100 countries, on tax treaty collection assistance clauses in a small subset of jurisdictions, and on MLATs used primarily in criminal tax cases.

So, how can the US seize foreign assets in practice? The three primary mechanisms – correspondent account levies, FATCA-driven bank cooperation, and treaty-based collection assistance – are covered in detail throughout this guide.

What legal authority does the IRS have over foreign assets?

The IRS derives its authority to pursue foreign assets from IRC Section 6321, which creates a federal tax lien on all property and rights to property belonging to a delinquent taxpayer – with no geographic limitation. The official IRS guidance for taxpayers with undisclosed foreign financial assets confirms that FATCA reporting and treaty cooperation give the agency practical reach abroad, backed by two civil enforcement statutes and one criminal reporting regime.

The following five statutory tools give the IRS reach over overseas assets:

• IRC Section 6321 – creates the federal tax lien on all property, foreign or domestic, once tax is assessed and the demand for payment is unpaid.
• IRC Section 6331 – authorizes levies on property held by third parties, including US correspondent accounts of foreign banks.
• FATCA (Foreign Account Tax Compliance Act) – requires foreign financial institutions to identify and report US account holders directly or through their home government under an intergovernmental agreement.
• FBAR (FinCEN Form 114) – requires US persons with a financial interest in, or signature authority over, foreign financial accounts to file once the aggregate balance exceeds $10,000 at any point in the calendar year; our detailed walkthrough of the FBAR form covers filing mechanics.
• Bilateral tax treaties and MLATs – authorize information exchange, collection assistance in a limited number of treaty countries, and criminal evidence-gathering in more than 65 MLAT partner jurisdictions.

The lien attaches automatically. No court filing is required for the lien itself. What the IRS needs from a court, or from a foreign government, is enforcement of that lien against assets located outside US jurisdiction.

That gap between attachment and enforcement is where treaty cooperation, FATCA data, and cross-border IRS asset seizure mechanics come into play. IRS authority overseas assets analysis matters because the statutory reach and the practical reach are not the same thing.

On paper, IRC 6321 attaches worldwide. In practice, the IRS's collection approach in foreign countries is bounded by what the foreign jurisdiction will help enforce – which is why treaty status is usually the first question any experienced practitioner asks.

Can the IRS seize foreign bank accounts?

The IRS cannot directly freeze or seize a foreign bank account the way it can a domestic one – but it has three powerful indirect methods that achieve the same result. Whether an IRS levy on foreign bank accounts request succeeds depends less on the bank's location and more on whether that bank has US operations, is FATCA-compliant, or sits in a treaty-partner jurisdiction.

The following three enforcement mechanisms are available for overseas bank account seizure:

1. Correspondent account levy. Most large foreign banks hold correspondent accounts at US banks to clear USD transactions. Under IRC Section 6331 – see official IRS FBAR reporting guidance – the IRS can levy those US-held correspondent accounts, which pressures the foreign bank to freeze the underlying customer account rather than absorb the loss. This is how the IRS can freeze a foreign bank account in practical terms.
2. FATCA-driven closures and freezes. Foreign financial institutions that are FATCA-compliant routinely close or restrict accounts of US persons who fail to certify their compliance status. There is no formal IRS levy tax on foreign bank account order in these cases – the bank acts preemptively to avoid the 30% FATCA withholding penalty.
3. Treaty-based collection assistance. A small number of US tax treaties – with Canada, France, Denmark, the Netherlands, Sweden, and (in limited scope) Japan – include mutual collection assistance clauses that let the IRS request enforcement help from the foreign tax authority.

The historical enforcement actions against Swiss banks holding undisclosed US client funds illustrate how quickly the US freezing foreign bank account holdings changes once a foreign institution has US enforcement exposure. Once UBS agreed to disclose account holders in 2009, other jurisdictions moved rapidly toward FATCA compliance.

Can the IRS freeze my foreign bank account? It depends on which of the three levers above the agency can pull.

Can the IRS freeze foreign bank account holdings without a US anchor point? Not directly. To levy foreign bank accounts held offshore, the IRS can’t do so on its own, but the pressure points above are typically enough to restrict access to funds.

Have unreported foreign accounts or assets? Let’s help you get compliant before the IRS reaches out first.

Get started

How mutual legal assistance treaties (MLATs) enable asset seizure

Mutual Legal Assistance Treaties are the most powerful tool the US government uses to seize foreign assets in criminal tax cases, enabling direct cooperation with foreign law enforcement agencies. The US has MLATs with more than 65 countries, and unlike civil tax treaties, an MLAT request can freeze foreign assets within days – before the taxpayer receives notice.

An MLAT request moves through a defined channel. The US Department of Justice submits the request to the treaty partner's central authority, which then executes the requested action – freezing accounts, gathering banking records, seizing physical assets, or facilitating extradition.

MLATs cover criminal tax cases, not civil tax debt. Unpaid tax alone does not qualify for seizing foreign assets through an MLAT, but willful tax evasion, false returns, or structuring can.

Notable MLAT partner jurisdictions include Switzerland, the Cayman Islands, the United Kingdom, Canada, Germany, France, and Singapore. IRS Criminal Investigation has prosecuted US persons for filing false returns and failing to report foreign accounts using MLAT-obtained evidence – and enforcement patterns show accelerating cooperation, as more foreign banks work with the US government to disclose American accounts.

The mutual legal assistance treaty assets framework is essentially a criminal-side complement to civil FATCA reporting. FATCA tells the IRS where the money is; MLATs, together with tax treaty collection clauses, give the government a mechanism to reach it.

Can the IRS seize foreign real estate?

The IRS can place a federal tax lien on foreign real estate under IRC 6321, but physically seizing and selling that property requires cooperation from the country where it is located. In treaty partners such as Canada, France, and Germany, the IRS can register the federal tax lien with local authorities and request enforcement through the treaty; in non-treaty jurisdictions, the lien exists on paper but is rarely enforced.

The federal tax lien attaches to the property the moment the lien is created – regardless of where the property sits. What varies is what happens next.

In collection-assistance treaty countries, local tax authorities can be asked to record the US lien against the title and, in serious cases, initiate a forced sale. For foreign property already held by US persons, review our guide to capital gains tax on foreign property for how ownership shows up on the US return.

The IRS lien on foreign property may not be recognized at all in non-treaty jurisdictions. In those cases, the IRS more commonly targets any US-based assets the taxpayer holds – wages, US bank accounts, US retirement accounts, refunds – rather than pursuing the foreign real estate IRS seizure route directly.

The federal tax lien foreign assets question therefore has two answers: yes, the lien exists globally; no, enforcement does not.

Worked example

Based on our client scenario at TFX: A US expat living in France had $200,000 in assessed but unpaid federal tax. The IRS filed a Notice of Federal Tax Lien in the US and, using the US–France income tax treaty's mutual assistance article, transmitted the lien to French tax authorities. French officials recorded the lien against the taxpayer's Paris apartment and began domestic enforcement steps.

The taxpayer settled through an installment agreement before a forced sale occurred – but the IRS levy overseas property mechanism was fully engaged. Enforcement of the lien across borders took roughly 18 months, consistent with typical treaty timelines.

Which countries cooperate with IRS foreign asset collection?

The IRS enforcement capability varies dramatically by country – treaty partners with collection assistance clauses give the IRS near-domestic enforcement power, while non-treaty jurisdictions offer almost no cooperation. The US has income tax treaties with 68 countries as of 2026 and MLATs with more than 65, but only a small subset of those treaties include full mutual collection assistance.

The following table summarizes the eight most relevant jurisdictions for expat asset seizure risks, comparing treaty type against practical IRS enforcement capability.

The treaty countries' IRS enforcement question depends on both the treaty and the specific article. Older treaties may not include collection assistance at all; newer protocols expand it. For a fuller picture of how bank-side reporting maps onto treaty jurisdiction, see our overview of FATCA and CRS reporting requirements.

The IRS's enforcement reach for foreign asset collection is strongest in countries with both an income tax treaty and FATCA cooperation. It is weakest where neither exists – but almost every jurisdiction with a functioning banking sector now sits inside the FATCA reporting network, so pure banking secrecy is no longer a defense.

FREE

US expats with foreign accounts are identified by the IRS each year through FATCA data.

Talk with us today about your compliance before it’s late.

Schedule my free call

How does FATCA help the IRS find and freeze foreign assets?

FATCA, enacted in 2010, requires foreign financial institutions in more than 100 countries to report US account holders with certain balances directly to the IRS – making it nearly impossible to hide foreign assets. The Foreign Account Tax Compliance Act framework uses a 30% withholding penalty to make FFI cooperation the default worldwide.

FATCA reporting thresholds and mechanics work as follows:

• US residents. Report foreign financial assets on Form 8938 when aggregate value exceeds $50,000 on the last day of the tax year or $75,000 at any point during the year (single filers); $100,000 or $150,000 for married filing jointly. See official IRS reporting details.
• US expats abroad. Higher thresholds apply – $200,000 end-of-year or $300,000 at any point during the year for single filers; $400,000 or $600,000 for married filing jointly.
• Non-compliant FFIs. Face 30% withholding on US-source payments, which effectively forces cooperation.
• IRS cross-referencing. FATCA data is matched against FBAR filings, US tax returns, and Form 8938 disclosures to identify gaps.
• Exempt account categories. Some retirement accounts and low-balance accounts are excluded – see our guide on whether your accounts are exempt from FATCA reporting.

The distinction between the US-resident threshold ($50,000 single) and the expat threshold ($200,000 single) matters because most brief summaries cite only the lower figure. If you live abroad full-time and your combined foreign financial assets are $150,000, you are below the Form 8938 threshold – but you may still owe an FBAR at the much lower $10,000 aggregate account balance.

What is the IRS seizure process for foreign assets step by step?

The IRS follows a defined multi-step process before seizing any asset – foreign or domestic – and taxpayers typically have multiple intervention points before a seizure is executed. For foreign assets, the treaty-assistance steps add 6 to 24 months to the timeline, depending on the country.

The following six-step sequence explains how the IRS seizes foreign assets in most civil cases:

1. Tax assessment and notice. The IRS issues a CP14 balance-due notice within about 60 days of assessment.
2. Final Notice of Intent to Levy (Letter 1058 or LT11). This is the last notice before the IRS can levy property.
3. Collection Due Process hearing window. You have 30 days from the Letter 1058 date to request a CDP hearing – the primary intervention point.
4. Federal tax lien filing (Form 668 (Y) (c)). The Notice of Federal Tax Lien is filed publicly with the relevant US state or county recording office, giving the IRS priority against other creditors; enforcement abroad depends on the separate treaty or MLAT request in step 5, not on this filing itself.
5. Treaty or MLAT request to the foreign country's competent authority, requesting either civil collection assistance or criminal-side cooperation.
6. Asset freeze or transfer by the foreign authority, if the request is granted under the applicable treaty article.

The official IRS reminder to report foreign bank and financial accounts each April is the front-end signal. The seizure process above is the back-end escalation when reporting and payment obligations are ignored.

Steps 1 through 4 all take place on the US side and can be interrupted with a payment plan, offer in compromise, or CDP appeal. Once step 5 is triggered, the taxpayer is largely dependent on the foreign jurisdiction's cooperation timeline. In collection-assistance treaty countries, the foreign authority may complete step 6 within a year; in non-treaty countries, the request often stalls.

Received a notice from the IRS? Act now before the levy stage

Get representation today

IRS enforcement limitations: When the IRS cannot seize foreign assets

Despite broad statutory authority, the IRS faces significant practical limitations when pursuing foreign assets – particularly in non-treaty countries and jurisdictions with strong bank secrecy laws. Cost, sovereign immunity, and a 10-year statute of limitations under IRC 6502 all constrain what the agency can actually collect abroad.

Five concrete constraints define the IRS enforcement limitations abroad:

• No direct levy over foreign banks absent a US correspondent account or treaty authorization.
• Sovereign immunity blocks the IRS from directly seizing assets held by foreign governments, central banks, or sovereign wealth funds.
• 10-year statute of limitations on collection under IRC Section 6502, running from the assessment date – though some treaty provisions and tolling events extend this.
• No collection-assistance obligation in the majority of non-treaty jurisdictions, which include most of the Middle East, Southeast Asia outside the Philippines, and much of Latin America.
• Enforcement cost versus asset value. IRS resources are finite; smaller balances are typically resolved through installment agreements rather than international enforcement action.

Cross-border IRS asset seizure has become materially more effective since FATCA came into force, but the informational reach still outruns the enforcement reach. Knowing the location of a foreign account is not the same as being able to levy it – particularly for green card holders with undeclared foreign assets, whose enforcement exposure includes deportation risk on top of civil collection.

Foreign asset forfeiture vs. IRS tax seizure: Key differences

Foreign asset forfeiture and IRS tax seizure are two distinct legal processes – forfeiture is typically criminal and handled by DOJ, while IRS tax seizure is a civil collection action under the Internal Revenue Code. Understanding the foreign asset forfeiture process versus civil seizure matters because the standards, timelines, and defenses differ substantially.

The comparison below summarizes the five parameters that separate IRS civil tax seizure from criminal asset forfeiture.

Criminal forfeiture under 18 USC 981 can move much faster than civil IRS collection – and in the most serious offshore cases, DOJ and IRS Criminal Investigation act in parallel. The foreign asset forfeiture pathway is more common in willful evasion, structuring, or FBAR criminal cases; civil IRS tax seizure is the default for unpaid but not fraudulent debt.

For those already in the domestic streamlined program pathway, Form 14654 certifying non-willful conduct is the operational document that keeps a case civil rather than crossing it into criminal territory.

How the IRS uses whistleblowers to locate foreign assets

The IRS Whistleblower Program has paid out over $1.3 billion in awards since 2007, with many cases involving offshore accounts and foreign assets reported by former bank employees, business partners, or ex-spouses. Under IRC Section 7623(b), whistleblowers who provide information leading to collection of more than $2 million receive 15% to 30% of the proceeds.

The whistleblower program is one of the most consistent sources of offshore case leads – and it directly shows how, and when, the US seizes foreign assets that would otherwise remain invisible to IRS auditors.

The UBS case (2009), triggered in part by whistleblower Bradley Birkenfeld's disclosures, produced a $780 million deferred prosecution agreement and reshaped Swiss banking secrecy. The Credit Suisse case (2014) went a step further: Credit Suisse pleaded guilty to a single count of conspiracy – the first guilty plea by a major bank in over a decade – and paid $2.6 billion in combined penalties.

In fiscal year 2024, the IRS paid $123.5 million in whistleblower awards on $474.7 million collected – demonstrating that the pipeline of offshore information from insiders remains active.

For any US person with an unreported foreign account, the operational risk is that someone else already knows about it. The following are the most common whistleblower sources in offshore cases:

• ex-spouses with knowledge of undisclosed foreign accounts
• former business partners in cross-border ventures
• foreign bank employees, historically the largest source of large offshore cases
• domestic employees who see foreign wire transfers or account statements

Anyone who has received a FATCA letter from a foreign bank should treat that as an early signal that the FFI is preparing to report the account – whistleblower risk sits on top of that structured reporting.

Compliance options to avoid IRS foreign asset seizure

Taxpayers with unreported foreign assets have several IRS-approved compliance pathways that can eliminate or dramatically reduce penalties – and all of them are preferable to waiting for enforcement. The right pathway depends on whether the conduct was non-willful, where the taxpayer lived during the relevant years, and whether income was underreported.

The following four compliance options cover the vast majority of situations:

1. Streamlined Foreign Offshore Procedures (SFOP). 0% Title 26 miscellaneous offshore penalty for qualifying expats. Requires certification of non-willful conduct and residency abroad for at least 330 full days in one of the three most recent tax years.
2. Streamlined Domestic Offshore Procedures (SDOP). 5% miscellaneous offshore penalty on the highest year-end aggregate balance during the covered period; available to US residents who meet the non-willful standard.
3. Delinquent FBAR Submission Procedures. For taxpayers whose only failure was late FBARs and who had no underreported income. File the missing FBARs with a short reasonable-cause statement; typically no penalty.
4. Voluntary Disclosure Program (VDP). For willful violations. Provides a path away from criminal referral but carries a negotiated civil penalty structure that is substantially higher than the streamlined tracks.

Choosing between these paths is a facts-and-circumstances judgment. Certifying non-willfulness when the record suggests otherwise is a serious risk – the IRS can reject the certification and refer the case to Criminal Investigation. Getting this determination right is where a qualified expat tax practitioner adds the most value.

Streamlined Procedures can restore your compliance status with no penalty for qualifying expats.

Review my streamlined options

Protecting foreign assets from IRS seizure: What actually works

There is no legal way to hide foreign assets from the IRS – but there are legitimate strategies to reduce your tax liability, stay compliant, and minimize the risk of enforcement action. Every effective approach to protecting foreign assets from IRS depends on reporting transparency, not concealment.

The following five compliant strategies form the practical playbook:

• file FBAR (FinCEN Form 114) annually by April 15, with an automatic extension to October 15 – threshold is aggregate foreign account value exceeding $10,000 at any point in the calendar year
• file Form 8938 (FATCA) when your foreign financial assets exceed the applicable threshold – see the resident vs. expat distinction covered earlier
• claim the Foreign Earned Income Exclusion – up to $130,000 for tax year 2025 and $132,900 for tax year 2026 – on Form 2555 when you qualify under the physical presence or bona fide residence test
• use the Foreign Tax Credit on Form 1116 to offset double taxation when foreign income taxes are paid; our Foreign Tax Credit vs. FEIE comparison walks through when each is the better choice
• Maintain contemporaneous cost basis records for foreign investment property, brokerage accounts, and cryptocurrency to prevent inflated gains on later sale

Offshore trusts, nominee accounts, and shell companies do not protect assets from IRS liens. They typically trigger additional reporting under IRC 6048 (Form 3520 and Form 3520-A for foreign trusts) and can convert a civil case into a criminal one. The tax debt foreign bank account playbook that used to rely on secrecy no longer works – the FATCA network reaches virtually every functioning banking sector.

What happens if you ignore IRS notices about foreign assets?

Ignoring IRS notices about foreign assets triggers an escalating sequence of enforcement actions that can include passport revocation, criminal referral, and ultimately asset seizure through treaty partners. The unpaid taxes foreign assets escalation pattern is predictable, and each step gives the taxpayer a shrinking window to intervene.

The following five-stage escalation sequence applies in most non-response cases:

1. Failure-to-pay penalty accrues at 0.5% per month of the unpaid balance, capped at 25% of the total tax; interest runs on top at the federal short-term rate plus 3%.
2. Federal tax lien filed publicly on Form 668 (Y) (c) once the CDP window closes; the lien attaches to all property, and the public filing can affect credit and any US-based asset sales.
3. Passport revocation or denial under IRC 7345 when seriously delinquent tax debt exceeds $64,000 in calendar year 2025. The State Department may issue a limited-validity passport for return to the US only – the IRS provides general reporting guidance for taxpayers with foreign accounts to help avoid reaching this stage.
4. IRS Criminal Investigation referral if the case shows willfulness indicators – common in cases involving structuring, false returns, or repeated FBAR failures.
5. DOJ prosecution and MLAT-based asset freeze at the far end of the escalation ladder; this is the point at which foreign assets may be frozen abroad and returned to the US pending resolution.

The IRS collection alternatives expats should be considering are installment agreements, offers in compromise, and currently not collectible status – each of which stops the escalation clock and, if resolved in time, protects the passport.

Let us help you file correctly today.

Get started

Related articles

Mel Whitney • Aug 17, 2026

How to report foreign assets to IRS: Form 8938 vs 3520 vs 5471 vs 8865

Confused about foreign asset reporting? Learn how to report foreign assets to the IRS, compare Form 8938, 3520, 5471, 8865, and FBAR, and understand penalties and disclosure options.

Read more

Mel Whitney • Aug 17, 2026

IRS Streamlined Foreign Offshore Procedures (SFOP): a comprehensive guide for expats

SFOP (IRS streamlined foreign offshore procedures) for expats: who qualifies, what to file (3 returns + 6 FBARs), penalties waived, timeline, and common mistakes.

Read more

Ines Zemelman • Jun 12, 2026

IRS scam letters in 2026: How to spot fake IRS notices

Got an urgent IRS email, letter, or call? Learn how to verify real IRS contact, spot scams, report phishing, and protect your tax account.

Read more

Susan Turcotte • May 15, 2026

What to do after getting a letter from the IRS: A guide for US expats

Received a letter from the IRS while living abroad? Step-by-step response guide: notice types, overseas deadlines, how to reply from abroad, and when Streamlined Filing applies.

Read more

Andrew Coleman • Jun 26, 2026

How far back can the IRS audit: Common audit triggers

Did you know there are instances where the IRS can audit your filed returns for unlimited years? Read on to find out how far back can the IRS audit.

Read more

Andrew Coleman • Mar 30, 2026

How the IRS can find you if you haven't filed taxes while living abroad

Discover exactly how the IRS finds US citizens abroad who haven't filed: FATCA bank data, FBAR, crypto tracking, AI enforcement & more. 2026 guide.

Read more

Reid Kopald • May 13, 2026

IRS first-time penalty abatement: requirements, Form 843, and sample letter

Learn how IRS first-time penalty abatement works, who qualifies, and how to apply by phone, Form 843, or letter. Includes requirements and sample request.

Read more

Andrew Coleman • May 15, 2026

IRS reasonable cause penalty abatement: How to request relief

Learn how US expats can request IRS penalty relief using reasonable cause. See examples, letter templates, and steps to remove penalties.

Read more

Huntly Mayo-Malasky • Aug 11, 2026

IRS voluntary disclosure explained: OVDP vs streamlined (What applies now?)

Learn how the IRS voluntary disclosure program works, how it differs from OVDP and Streamlined, and which compliance path may fit your situation.

Read more