Form 8621
Information Return for PFIC Shareholders
The required IRS form for US persons who hold shares in a Passive Foreign Investment Company (PFIC), including most foreign mutual funds and ETFs.
Who Files Form 8621
Any US person (including expats) holding shares in a Passive Foreign Investment Company. PFICs include most non-US-domiciled mutual funds, ETFs, and pooled investment vehicles. The PFIC determination is based on income type (75% passive) or asset composition (50% passive-producing), not the fund's name.
What Form 8621 Reports
Form 8621 reports either the default excess distribution regime (high tax + interest charge), a Qualified Electing Fund (QEF) election (annual ordinary income inclusion), or Mark-to-Market (MTM) election (annual ordinary income inclusion at FMV). The default excess distribution regime is severely punitive, which is why elections are commonly made on the first year of ownership.
Key Deadlines
- Filed with the personal Form 1040 by April 15
- QEF election generally must be made on the first PFIC return for the holding
Common Mistakes
- Owning a foreign mutual fund without realizing it is a PFIC
- Missing the QEF election deadline and being permanently locked into the excess distribution regime
- Failing to attach Form 8621 for every PFIC holding (one form per PFIC, not aggregated)
- Missing Form 8938 reporting for the same PFIC holdings
Best Practices
- Make a Qualified Electing Fund (QEF) election in the FIRST year of PFIC ownership when possible. Locking out of QEF later traps you in the punitive excess distribution regime forever.
- Mark-to-Market (MTM) elections are an alternative to QEF for marketable PFICs. Compare the two: MTM is simpler annually but converts long-term gains to ordinary income.
- File one Form 8621 per PFIC, not aggregated. A taxpayer with 30 foreign mutual funds files 30 forms.
- Avoid PFICs entirely when possible: most foreign mutual funds are PFICs, but an equivalent US-domiciled fund (with the same underlying exposure) is not.
- For inherited PFICs, the basis step-up at death generally cancels the prior excess distribution lookback for new owners, simplifying the tax going forward.
Related TS CPA Service
International Taxation
Expert cross-border tax compliance for expats, foreign nationals, and global businesses, penalties prevented, treaties optimized.
Learn how TS CPA handles Form 8621Related Tax Forms
8938
Form 8938
A FATCA-related form filed with Form 1040 to report foreign financial assets that exceed specified thresholds.
1116
Form 1116
A dollar-for-dollar credit on the US tax return for income taxes paid to a foreign country, designed to prevent double taxation.
FinCEN 114
Form 114 (FBAR)
A FinCEN Form 114 filing required of US persons who hold foreign financial accounts with an aggregate value exceeding $10,000 at any point during the year.
Related Tax Terms
FATCA (Foreign Account Tax Compliance Act)
A US law requiring foreign financial institutions and certain US taxpayers to report foreign financial accounts and assets to the IRS.
Foreign Tax Credit (FTC)
A dollar-for-dollar credit on the US tax return for income taxes paid to a foreign country, designed to prevent double taxation.
Related Articles
Selling Foreign Property: U.S. Tax Rules
U.S. tax rules for selling foreign property: currency gain under Section 988, depreciation recapture, and FIRPTA.
Expat Tax Guide: FEIE, FBAR, and FATCA
U.S. expat tax guide: FEIE, FBAR, FATCA, foreign tax credits, and filing deadlines for Americans living abroad.
Need help with Form 8621?
A licensed CPA reviews your situation and provides a flat-rate quote. Free, no-obligation, same-day response.
Get Your Free Quote