Who must file Form 8621?

You must file Form 8621 if you own shares of a Passive Foreign Investment Company (PFIC) directly or indirectly, receive certain distributions from a PFIC, or make a QEF or mark-to-market election. Direct ownership of foreign mutual funds, foreign hedge funds, or certain foreign insurance products typically triggers filing.

A Passive Foreign Investment Company is a foreign corporation that meets one of two tests: (1) 75% or more of its gross income is passive (dividends, interest, rents, royalties, capital gains), or (2) 50% or more of its assets produce passive income. Most foreign mutual funds, ETFs, and unit trusts are PFICs.

What are the three PFIC tax regimes?

(1) Excess Distribution Method (default): The harshest regime. Excess distributions are taxed at the highest ordinary income rate and subject to interest charges. (2) QEF Election: Tax current income and gains annually at ordinary rates. Requires the PFIC to provide an Annual Information Statement. (3) Mark-to-Market: Available for publicly traded PFIC stock. Tax unrealized gains annually as ordinary income.

Can I avoid PFIC treatment?

If you hold a PFIC through a US-based mutual fund or ETF, the PFIC rules generally do not apply to you individually. However, direct ownership of foreign funds almost always triggers PFIC status. Some foreign pension wrappers and insurance products may also be classified as PFICs depending on their underlying investments.

What is the penalty for not filing Form 8621?

There is no specific dollar penalty for late filing of Form 8621, but the tax consequences of not making a timely QEF or mark-to-market election are severe. Under the default excess distribution method, gains are taxed at the highest marginal rate plus interest charges, often resulting in effective tax rates exceeding 50%.

Form 8621: Information Return by a Shareholder of a PFIC

Form 8621 is one of the most feared forms in the expat tax world. If you own a foreign mutual fund, foreign ETF, or certain foreign insurance products, you may be holding a Passive Foreign Investment Company (PFIC) — and the tax consequences of getting it wrong are punitive. This guide walks you through what PFICs are, how to identify them, and how to file Form 8621 correctly.

What Is a PFIC?

A PFIC is a foreign corporation that meets either of these two tests:

Income Test: 75% or more of its gross income is passive income (dividends, interest, rents, royalties, capital gains).
Asset Test: 50% or more of its assets produce passive income.

In practice, most foreign mutual funds, foreign ETFs, and unit trusts are PFICs. The IRS designed these rules to prevent US taxpayers from deferring tax on passive income inside offshore investment vehicles.

Common PFICs for Expats

Foreign mutual funds (UK OEICs, UCITS funds in Europe, Australian managed funds)
Foreign ETFs listed on non-US exchanges
Foreign hedge funds and private equity funds
Certain foreign life insurance policies with investment components
Foreign pension wrappers that invest in pooled funds

Not PFICs: Direct ownership of individual foreign stocks, US-based mutual funds, and most foreign real estate held directly.

The Three PFIC Tax Regimes

When you hold a PFIC, you must choose (or default into) one of three tax regimes. The choice you make has massive consequences for your tax bill.

1. Excess Distribution Method (Default)

If you do not make an election, the excess distribution method applies automatically. This is the worst possible outcome:

Excess distributions (distributions exceeding 125% of the average over the prior 3 years) are taxed as ordinary income at the highest marginal rate
Interest charges apply to the deferred tax, calculated as if the tax had been due in prior years
Dispositions (selling the PFIC) trigger the same punitive treatment on the entire gain
Effective tax rates can exceed 50% when interest is included

This method is designed to be so unfavorable that taxpayers are forced to make an election.

2. Qualified Electing Fund (QEF) Election

The QEF election is usually the best option if available:

You report your pro-rata share of the PFIC's ordinary income and net capital gains annually on your US return
Gains are taxed at ordinary income rates, but there is no interest charge
When you sell the PFIC, any gain is taxed as capital gain (not ordinary income)
Requirement: The PFIC must provide an Annual Information Statement (AIS) with the details needed to calculate your share

The catch: Many foreign funds, especially smaller ones or those in non-treaty countries, do not provide the AIS. Without it, you cannot make a QEF election.

3. Mark-to-Market Election

Available only for PFIC stock that is regularly traded on a qualified exchange:

You report unrealized gains annually as ordinary income
Unrealized losses are deductible (subject to limitations)
When you sell, any additional gain is ordinary income
No interest charges apply
Best for: Publicly traded foreign ETFs and stocks where QEF is unavailable

How to File Form 8621

Step 1: Identify Your PFICs

Review all foreign investment accounts and ask:

Is this a pooled investment vehicle (mutual fund, ETF, unit trust)?
Is it organized outside the US?
Does it meet the income or asset test?

Use our PFIC Identification Checklist for a systematic review.

Step 2: Determine Your Tax Regime

Situation	Recommended Election
PFIC provides Annual Information Statement	QEF Election
Publicly traded, no AIS available	Mark-to-Market
No AIS, not publicly traded	Excess Distribution (default) — consult a specialist
Small holding, low distributions	Mark-to-Market if eligible

Step 3: Make the Election on Form 8621

Attach Form 8621 to your Form 1040
Check the appropriate election box (QEF or Mark-to-Market)
For QEF, attach the Annual Information Statement from the PFIC
The election is generally irrevocable

Step 4: Report Annual Income

QEF: Report ordinary income and capital gains from the AIS in Part III
Mark-to-Market: Report unrealized gains/losses in Part IV
Excess Distribution: Calculate excess distributions and deferred tax with interest in Part V

Step 5: Report Dispositions

When you sell a PFIC, report the gain or loss on Form 8621 regardless of which election you made. The character of the gain (capital vs. ordinary) depends on your election.

Special Situations

PFICs Inside Foreign Pensions

Many foreign pensions (UK SIPPs, Australian superannuation, Canadian RRSPs) invest in pooled funds that are PFICs. The tax treatment depends on:

Whether the pension qualifies for treaty benefits
Whether the pension is treated as a trust for US purposes
Whether Form 8621 is required or the PFIC is "looked through"

This is one of the most complex areas of expat tax. See our PFIC Foreign Pensions Trap for details.

Indirect Ownership

You may own a PFIC indirectly through:

A foreign corporation you control
A foreign partnership
A foreign trust
Another PFIC (tiered PFICs)

Indirect ownership still triggers Form 8621 filing and the same tax regimes.

Start-Up Year and Exception

If the PFIC is in its first year of operation or is a start-up company primarily engaged in active business, it may qualify for an exception from PFIC status. This is rare for typical expat investments.

Penalties and Risks

While there is no specific monetary penalty for failing to file Form 8621, the tax consequences are severe:

Excess distribution interest charges can add 30-50% to your effective tax rate
Mischaracterized gains (capital gains taxed as ordinary income) cost an additional 17-20% in tax
Amended returns to make late elections are difficult and often denied
Streamlined Filing may not fix PFIC problems if the omission was due to willful disregard

When to Get Help

PFIC analysis is not DIY territory. You should consult a specialist if:

You own any foreign mutual funds or ETFs
You have a foreign pension with investment components
You are considering a QEF or mark-to-market election
You have failed to file Form 8621 in prior years
You are in Streamlined Filing and need to address PFICs

FileAbroad's Complex Expat Return service includes PFIC analysis and Form 8621 preparation. Start your free intake to discuss your situation.