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Form 8621: PFIC filing requirements, taxation & instructions (2026)
Form 8621 is the IRS information return for US taxpayers who own shares in a passive foreign investment company, or PFIC.
If you hold a foreign mutual fund, a foreign ETF, a hedge fund, or certain foreign holding companies, you may need to file a separate Form 8621 for each PFIC you own, for each tax year a filing trigger applies.
PFIC ownership can result in higher tax rates, interest charges on deferred income, and an extended IRS assessment period if the form is missing. The filing requirement can apply even when you received no distribution and did not sell any shares.
In this guide:
- How to identify a PFIC using the income and asset tests
- The five filing triggers and when an exception may apply
- Section 1291, QEF, and mark-to-market elections compared
- How to calculate an excess distribution
- What happens if you missed Form 8621 – and how to fix it
This article covers tax year 2025, filed during the 2026 filing season. Form 8621 has a December 2025 revision date; the IRS posted the revised form on November 26, 2025, and the revised instructions on January 13, 2026.
This article is brought to you by Taxes for Expats – a top-rated tax firm for Americans with foreign investments and overseas funds. We have completed thousands of PFIC Form 8621 filings and specialize in complex PFIC accounting, late filings, and Section 1291 calculations.
See our PFIC filing services page for details.
What is Form 8621?
Form 8621 is the IRS reporting mechanism for US taxpayers who hold shares – directly or indirectly – in a passive foreign investment company. It reports ownership details, distributions, gains on dispositions, and any elections in effect.
A PFIC is a foreign corporation that meets either of two annual tests under IRC section 1297:
- Income test: 75% or more of the corporation’s gross income for the tax year is passive income.
- Asset test: 50% or more of the average value of the corporation’s assets produce, or are held to produce, passive income.
If a foreign corporation meets either test for the tax year, the PFIC rules can apply to any US shareholder. A separate Form 8621 is generally required for each PFIC and each tax year when a filing trigger applies.
Ownership alone can trigger filing. You do not need to receive income or sell shares for Form 8621 to be required – the catch-all annual reporting rule under section 1298(f) may apply even in a quiet year.
PFIC examples: foreign mutual funds, ETFs, and holding companies
Foreign pooled investment products are the most common source of PFIC exposure for US expats. The table below groups typical investments by how often they meet the PFIC tests.
Most foreign funds meet the PFIC definition because they primarily hold passive assets and earn passive income – even when they are ordinary investment products in the local country.
| Category | Common examples | PFIC likelihood |
|---|---|---|
| Often PFIC | Foreign mutual funds, foreign-domiciled ETFs (including UCITS ETFs), offshore investment trusts, foreign hedge funds | High – most meet the income or asset test |
| May be PFIC | Foreign holding companies with mostly investment assets, some foreign REITs, insurance-linked investment products | Depends on entity classification and asset composition |
| Usually not PFIC | US-domiciled mutual funds and ETFs (even those investing in foreign stocks), foreign operating companies with active businesses, personally owned foreign bank accounts | Low – US funds are domestic entities; active businesses generally fail both tests |
Facts determine the outcome. A foreign investment label alone does not establish PFIC status, and a US-domiciled fund that invests in foreign stocks is not a PFIC because it is not a foreign corporation.
Why filing Form 8621 matters
Holding PFIC shares does not always require an annual Form 8621. Filing depends on whether one of the five IRS triggers applies during the tax year and on whether the section 1298(f) reporting exceptions cover your situation.
When filing is required and you miss it, the consequences are structural rather than a single flat penalty. The comparison below shows what is at stake.
Filing Form 8621 on time preserves your election options and keeps the IRS assessment period on its normal schedule.
| What happens if you file | What happens if you don’t | When late filing may still be fixable |
|---|---|---|
| The correct PFIC tax method applies for the year | Default section 1291 rules apply, producing highest-rate taxation plus interest charges on excess distributions and gains | A late or retroactive QEF election may be available through the IRS consent regime |
| QEF or mark-to-market elections remain valid | Election deadlines may pass, locking you into a less favorable method | Streamlined Filing Compliance Procedures may apply if the failure is non-willful |
| Assessment period runs on normal schedule | Assessment period may remain open under section 6501(c)(8) until the information is furnished | Voluntary correction can start the three-year clock |
A sale or large distribution from a PFIC without a timely election in place can create an unexpectedly large tax bill.
Under the section 1291 excess distribution method, prior-year amounts are taxed at the highest individual rate for each year, and an interest charge compounds from each year’s original return due date.
See our guide to Form 8621 penalties for a full breakdown of the consequences.
The criteria: identifying a PFIC
A foreign corporation is a PFIC if it meets either the income test or the asset test for the tax year. Both tests focus on the character of what the company earns and holds.
The income test
A foreign corporation meets the PFIC income test if 75% or more of its gross income for the tax year is passive income. Passive income generally includes dividends, interest, capital gains, and similar investment-type income.
Rents and royalties are generally passive, but an exception applies when they are derived in the active conduct of a trade or business and received from an unrelated person.
This rule comes from section 1297(b)(1), which incorporates the active-rents-and-royalties exception in section 954(c)(2)(A).
Related-party rents and royalties follow separate look-through rules under section 1297(b)(2)(C).
If a foreign company earns most of its income from dividends on portfolio holdings or interest on cash deposits, it is likely a PFIC under this test.
The asset test
A foreign corporation meets the PFIC asset test if 50% or more of the average value of its assets produce, or are held to produce, passive income. The test uses the average percentage over the tax year – not a year-end snapshot.
Passive assets typically include stocks, bonds, fund holdings, cash equivalents, and some real estate interests held for investment. If a company’s balance sheet is weighted toward investment assets rather than active operating assets, PFIC status is often the result.
PFIC identification checklist:
| Test | Threshold | What counts | Common examples |
|---|---|---|---|
| Income test | 75% or more of gross income | Dividends, interest, capital gains, rents and royalties (unless active and from unrelated persons) | Foreign mutual fund earning dividends and capital gains |
| Asset test | 50% or more of average asset value | Securities, cash, fund holdings, investment real estate | Foreign holding company with mostly marketable securities |
See our PFIC taxes explained guide for the full breakdown of how PFIC classification affects your tax obligations.
Direct vs. indirect PFIC ownership
PFIC exposure can arise through direct ownership and through indirect ownership in pass-through entities. The IRS treats certain owners of partnerships, S corporations, trusts, and estates as indirect shareholders when those entities hold PFIC stock.
Direct ownership means you hold shares in a foreign fund in your own name or brokerage account.
Indirect ownership means you own an interest in an entity that itself holds PFIC stock. Common scenarios include:
- A US partnership or LLC taxed as a partnership holds a foreign mutual fund. The domestic partnership generally files Form 8621 on behalf of its partners, but each partner may need to file if the entity does not, or if the partner must recognize section 1291 income.
- A foreign partnership or foreign corporation holds PFIC stock. US owners are treated as indirect shareholders and may need to file their own Form 8621.
- A trust or estate holds a PFIC interest. US beneficiaries may have indirect PFIC exposure.
Partnerships that hold foreign funds report PFIC-related items on Schedule K-1, and footnotes on that schedule are often the first sign of indirect PFIC exposure.
When to file Form 8621?
You must file Form 8621 for each PFIC you hold if any one of five filing triggers applies during the tax year. The trigger – not ownership alone – generally determines whether a form is required.
The five Form 8621 filing requirements are:
- You received certain direct or indirect distributions from a PFIC, including an excess distribution.
- You recognized gain on a direct or indirect sale, exchange, or other disposition of PFIC stock.
- You are reporting information for a QEF election or a mark-to-market election already in effect.
- You are making an election reportable in Part II of Form 8621, such as a QEF election, a mark-to-market election, or another PFIC-related election.
- You are otherwise required to file an annual report under section 1298(f). This is the catch-all annual filing rule, subject to limited exceptions.
Filing trigger table:
| Trigger | Form 8621 required? | Example |
|---|---|---|
| Distribution from a PFIC | Yes, unless a specific exception applies | You receive a $2,000 dividend from a foreign mutual fund that is a PFIC |
| Sale or disposition with gain | Yes | You sell foreign ETF shares at a profit |
| QEF or MTM election in effect | Yes | You maintain a QEF election and report annual ordinary earnings |
| Making an election in Part II | Yes | You elect QEF treatment for a newly purchased foreign fund |
| Annual reporting under section 1298(f) | Yes, unless an exception applies | You hold PFIC stock with no distribution or sale, but the catch-all rule covers you |
If the PFIC is also a CFC, the overlap rules under section 1297(d) may reduce or eliminate PFIC treatment for a 10% US shareholder during the qualified portion of the holding period.
Our guide to PFIC vs. CFC rules covers the overlap analysis in detail.
De minimis exception for PFIC filings
The $25,000 single-filer and $50,000 married-filing-jointly exception is a limited Part I exception – not a blanket filing exemption.
It applies only to section 1291 funds, meaning PFICs with no QEF or mark-to-market election in effect. The exception is further limited: it does not apply when an excess distribution or disposition gain occurred for that specific fund during the year.
The exception disappears when any of these events apply to the specific section 1291 fund:
- You received an excess distribution from the fund.
- You recognized gain on the sale or disposition of the fund’s stock.
- You made or maintained a QEF or mark-to-market election for the fund.
De minimis threshold table:
| Filing status | Aggregate PFIC stock value on last day of tax year | Exception available? |
|---|---|---|
| Single | $25,000 or less | Yes, if no excess distribution or disposition gain from that section 1291 fund |
| Married filing jointly | $50,000 or less | Yes, under the same conditions |
| Indirect ownership (proportionate share) | $5,000 or less | A separate threshold may apply for certain indirect holdings |
The aggregate value includes all PFIC stock – QEF funds, section 1291 funds, and mark-to-market stock – owned directly or indirectly. The exception itself applies only to Part I reporting for a specific section 1291 fund that meets the dollar threshold.
PFIC taxation methods
When you hold a PFIC, the IRS recognizes three main PFIC taxation methods for calculating the tax result.
The method affects when income is reported, how it is taxed, and whether interest charges apply. Missing an election deadline can make PFIC taxation significantly more expensive.
The default section 1291 regime applies the highest individual tax rate to prior PFIC years and adds a compounding interest charge. QEF and mark-to-market elections can reduce or avoid that result.
| Method | How it works | Tax treatment | Filing burden | Best for |
|---|---|---|---|---|
| Section 1291 (default) | Excess distributions and disposition gains are allocated over the holding period day by day | Prior PFIC-year amounts taxed at highest rate for each year (37% for 2018–2025), plus interest; current-year and pre-PFIC amounts taxed as ordinary income at normal rates | Part V calculation, often with separate attachment | Investors who missed elections or hold a PFIC with no timely election |
| QEF election (section 1293) | Annual taxation on your pro rata share of PFIC earnings, whether distributed or not | Ordinary income on ordinary earnings; capital gains rates on net capital gain | Part III requires PFIC Annual Information Statement from fund | Investors whose fund provides the required annual data |
| Mark-to-market (section 1296) | Annual taxation on unrealized gain or loss based on year-end fair market value | Ordinary income on gains; limited ordinary loss (capped at prior unreversed MTM inclusions) | Part IV, requires year-end fair market value | Publicly traded PFICs that qualify as marketable stock |
To avoid default section 1291 treatment, QEF and mark-to-market elections generally must be made by the due date, including extensions, for the first tax year to which the election applies. A late election may require an IRS consent procedure and can leave prior years under the section 1291 rules.
The best method depends on what data the fund provides and whether the shares are publicly traded. When in doubt, request a PFIC Annual Information Statement from the fund before the filing deadline.
What documents you need to prepare Form 8621
Accurate Form 8621 preparation starts with gathering the right records. Missing data can affect your tax-method analysis, calculation accuracy, and ability to make or maintain an election.
Ownership records:
- Purchase date and cost basis for each lot of PFIC shares
- Sale or disposition date and proceeds, if applicable
- Share count and ownership type – direct, or indirect through a partnership, trust, or other entity
- PFIC’s name, address, and EIN or foreign equivalent
Annual income records:
- PFIC Annual Information Statement – required for a QEF election
- Year-end fair market value – required for a mark-to-market election
- Annual distribution history – amounts, dates, and currency
- Foreign tax withheld on distributions
Disposition records:
- Sales confirmations with proceeds in original currency and US dollars
- Exchange rates used for each transaction date
- Prior-year Forms 8621, if any were filed
Filing Form 8621: a step-by-step approach
Filing Form 8621 starts with identifying why the form is required for each PFIC and which part of the form applies.
The current Form 8621 instructions – December 2025 revision – matter because one PFIC may involve only annual reporting, while another may require tax calculations under Section 1291, a QEF election, or a mark-to-market election.
- Identify each PFIC. Determine how many separate PFICs you own, directly or indirectly. A separate Form 8621 is required for each PFIC in most cases.
- Check for filing exceptions. Review the de minimis thresholds and other Part I exceptions before completing the full form. Do not rely on the dollar thresholds alone – they do not override excess distributions, dispositions, or elections.
- Determine the filing trigger. Confirm whether the filing is required because of distributions, a disposition, an election, or annual reporting under section 1298(f).
- Choose or confirm the tax method. If a QEF or mark-to-market election applies, gather the data for Part III or Part IV. If no election is in place, the section 1291 default applies to Part V.
- Gather basis and distribution data. Collect purchase dates, cost basis, distribution history, year-end values, and currency conversion rates for each PFIC.
- Review Schedule K-1s and PFIC Annual Information Statements. For indirect ownership through partnerships or other entities, check K-1 footnotes for PFIC disclosures.
- Complete the form. Fill in Part I with shareholder and PFIC information, Part II for elections if applicable, and the relevant calculation part – III for QEF, IV for mark-to-market, or V for section 1291.
- Attach to a timely filed return. Form 8621 is attached to your Form 1040 and filed by the due date, including extensions.
What’s new in the December 2025 revision: Part V now requires a three-letter currency code above line 15a – GBP, EUR, CAD, and similar – covering lines 15a through 15e(1).
Part V also adds line 15e(2), where you enter the line 15e(1) excess distribution amount in US dollars. If you previously filed Form 8621, review Part V carefully because the December 2025 version is structured differently from earlier revisions.
Form 8621 preview
What exactly is an excess distribution?
An excess distribution occurs when current-year distributions from a PFIC exceed 125% of the average distributions received during the three preceding tax years – or, if shorter, the shareholder’s holding period before the current tax year.
There is no excess distribution in the first year of the holding period.
Gain on a sale or other disposition of section 1291 fund stock is also treated as an excess distribution.
Numerical example: You received $1,000 in distributions from a PFIC in each of the past three years. The three-year average is $1,000, and 125% of that average is $1,250.
If you receive $3,000 this year, $1,750 is the excess distribution – $3,000 minus the $1,250 threshold.
Under the Section 1291 default method, the $1,750 excess distribution is allocated day by day across your entire holding period.
Amounts allocated to prior PFIC years are taxed at the highest individual rate for each year – 37% for 2018–2025 – and carry an interest charge. The current-year portion is included in ordinary income at your regular rate.
Report excess distributions on Form 8621 Part V, lines 15a through 15e, with the tax and interest computation on line 16. Complete a separate Part V for each excess distribution and each disposition.
Excess distribution summary:
| Event | Counts as excess distribution? | Tax consequence |
|---|---|---|
| Current-year distribution exceeding 125% of three-year average | Yes | Allocated over holding period; prior PFIC years taxed at highest rate plus interest |
| Gain on sale of section 1291 fund stock | Yes – treated as excess distribution | Same allocation and tax method |
| Distribution below the 125% threshold | No | Taxed as ordinary income in the current year |
| Distribution in the first year of holding | No excess distribution in the first year | Entire amount included in current-year income |
See our detailed guide to excess distribution under Section 1291 for a full walkthrough of the calculation.
The risks of not filing Form 8621
There is no standalone fixed Form 8621 penalty amount that automatically applies to each unfiled form. The IRS has not assigned a specific dollar penalty to Form 8621 in the way it has for Forms 5471 or 8865. But missing PFIC reporting can still produce serious consequences.
- Tax cost. If no valid QEF or mark-to-market election applies, PFIC stock is subject to the section 1291 default rules. That treatment can produce additional tax and interest charges on any excess distributions and disposition gains – often at a higher effective rate than a timely election would have produced.
- Extended assessment period. Under section 6501(c)(8), the IRS assessment period does not expire before three years after the missing information is furnished. By default, this extension applies to the entire return – not only PFIC-related items. A reasonable-cause exception can limit the extension to PFIC-related items only.
- Accuracy-related penalties. If PFIC income was underreported, the standard 20% accuracy-related penalty under section 6662 may apply. The Form 8621 penalty risk compounds when PFIC holdings overlap with Form 8938 obligations – a missed Form 8938 can trigger its own $10,000 starting penalty under section 6038D.
Risk ladder for missing PFIC reporting:
- Missed election deadline – locked into section 1291 default for prior years
- Default section 1291 regime – highest individual rate on prior-year allocations
- Interest charges – compounding from each prior year’s original return due date
- Extended assessment period – IRS audit window stays open until the form is filed
- Multi-year compounding – the longer the gap, the larger the accumulated tax and interest
The bottom line: nonfiling can cost more than the underlying investment gain. Early correction limits the exposure.
Late Form 8621 filing and compliance options
If Form 8621 was required for prior years and you did not file, the correction path depends on your filing history, the number of PFICs involved, and whether related offshore forms (FBARs, Form 8938, prior returns) are also missing.
Before filing anything, assess three things:
- Filing history. Whether prior US returns were filed on time, or whether entire returns are missing.
- Related forms. Whether FBARs, Form 8938, or other international information returns are also delinquent.
- Non-willful conduct. Whether the failure resulted from not knowing about the requirement or from a misunderstanding – not from willful avoidance.
Compliance route comparison:
| Route | When it may fit | Key requirements |
|---|---|---|
| Streamlined Foreign Offshore Procedures | Non-willful failure by a taxpayer who meets the foreign residency test | Three amended or delinquent returns, six years of FBARs, certification of non-willful conduct |
| Streamlined Domestic Offshore Procedures | Non-willful failure by a US-based taxpayer | Same filing scope, plus a 5% miscellaneous offshore penalty |
| Delinquent International Information Return Submission | Reasonable cause for missing only the information return, with no unreported income | Attach delinquent forms to original or amended returns with a reasonable-cause statement |
| Amended returns outside a formal program | Isolated missing Form 8621 with returns otherwise complete | File Form 1040-X with the missing Form 8621 attached |
PFIC omissions often sit within a wider offshore filing profile. A single foreign mutual fund can require Form 8621, contribute to FBAR, and count toward Form 8938 thresholds – all at the same time.
See our Streamlined Filing Compliance Procedures overview for the full program requirements and available paths.
If Form 8621 is part of a wider filing gap
If you live abroad and missed Form 8621 together with prior US returns, FBARs, or Form 8938 for non-willful reasons, the issue is usually larger than a single missing form.
PFIC reporting gaps often overlap with other international filing obligations. The table below maps the most common items.
| Missing item | Related form | Why it matters | Possible fix |
|---|---|---|---|
| PFIC ownership reporting | Form 8621 | Extended assessment period under section 6501(c)(8); default section 1291 treatment | Attach to amended or delinquent return; consider Streamlined if eligible |
| Foreign financial accounts | FBAR (FinCEN Form 114) | Non-willful penalty up to $16,536 per report (2025); willful penalty up to $165,353 or 50% of balance | Streamlined Procedures or delinquent FBAR submission |
| Specified foreign financial assets | Form 8938 | $10,000 starting penalty under section 6038D; PFIC may count toward the Form 8938 threshold | File with amended or delinquent return |
| Unreported foreign income | Form 1040 | Back taxes, interest, accuracy-related penalties | Streamlined Procedures or amended filing |
A PFIC issue may be part of a broader expat tax correction. Fixing Form 8621 in isolation – without addressing related FBARs, Form 8938, or unreported income – can leave other gaps open.
Seeking professional help with Form 8621
Form 8621 reporting is one of the most technical areas of US international tax compliance. The situations below are strong signals that professional preparation is warranted.
When to consider a specialist:
- Indirect PFIC ownership through a partnership, trust, or foreign entity
- Missing annual statements or incomplete cost-basis records
- Multiple PFICs across different brokerages or countries
- Late or missed Form 8621 filings from prior years
- Sales or large distributions from a PFIC without a timely election in place
- Overlapping FBAR, Form 8938, or Form 5471 obligations
Materials a specialist will typically request:
- Account statements showing purchase dates, cost basis, and year-end values
- Annual distribution records by date and currency
- PFIC Annual Information Statements or fund-level QEF data
- Schedule K-1s with PFIC footnotes – especially for indirect holdings
- Prior-year Forms 8621, if any were filed
- Foreign brokerage statements and currency conversion records
Taxes for Expats helps Americans abroad prepare accurate Form 8621 filings for foreign mutual funds, ETFs, section 1291 excess distribution calculations, QEF and mark-to-market elections, multi-year PFIC reporting, late filings, and Streamlined compliance cases involving PFICs.
FAQ
Form 8621 is the IRS information return filed by US taxpayers who own shares in a passive foreign investment company. It reports ownership details, distributions, gains, and any elections in effect. A separate Form 8621 is generally required for each PFIC.
Filing is triggered by receiving certain PFIC distributions, recognizing gain on a disposition, making or maintaining a QEF or mark-to-market election, or being subject to annual reporting under section 1298(f). The $25,000/$50,000 de minimis rule is a limited exception, not the general test.
Part V now requires a three-letter currency code above line 15a and adds line 15e(2) for the US dollar amount of the excess distribution. Taxpayers who used an older version of Form 8621 should review the current form and Form 8621 instructions before filing.
Section 1291 is the default if no timely election is in place – it taxes prior-year allocations at the highest rate plus interest.
A QEF election taxes your annual share of ordinary earnings and net capital gain. A mark-to-market election taxes annual changes in value as ordinary income for qualifying marketable stock.
There is no flat Form 8621 penalty amount per unfiled form. Missing Form 8621 can extend the assessment period under section 6501(c)(8), leave PFIC income open to back-tax assessment, and expose you to interest and accuracy-related penalties if income was understated.
Any US taxpayer who is a direct or indirect shareholder of a PFIC may need to file when a filing trigger applies. Common triggers include receiving a distribution, recognizing gain on a sale, making or maintaining an election, or being subject to the annual reporting rules.
In many cases, yes. Foreign-domiciled ETFs and mutual funds often qualify as PFICs because they mainly earn passive income and hold passive assets. A US-domiciled fund investing in foreign stocks is not a PFIC because it is not a foreign corporation.
An excess distribution occurs when current-year distributions exceed 125% of the average received in the prior three years, or the shorter holding period if applicable. Under Section 1291, the excess is allocated across the holding period and can trigger tax at the highest rate plus interest charges.
Sometimes, but not automatically. A QEF election generally must be made by the due date, including extensions, for the first tax year it applies. Late relief may be available through a protective statement or the IRS consent regime, but the rules are technical.
Yes, these forms can overlap. A PFIC reported on Form 8621 counts toward Form 8938 thresholds, but you generally do not duplicate the details on Form 8938 if the PFIC is already reported on Form 8621.
FBAR applies separately if the PFIC is held in a foreign financial account and the aggregate value of all foreign accounts exceeds $10,000 at any time during the calendar year.
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