Reference
Glossary
Plain-English definitions of the IRS forms, elections, and tax concepts US expats run into. Every entry links to deeper context and the related terms you usually encounter together.
FBAR (FinCEN Form 114)
An annual report of foreign financial accounts whose aggregate value exceeded $10,000 at any point during the year.
FEIE (Foreign Earned Income Exclusion, Form 2555)
Excludes up to a per-year cap of foreign-earned income (and a housing amount) from US federal tax — bona fide residence or physical presence required.
Form 8621
The IRS form filed annually for each PFIC a US person holds. One Form 8621 per fund per year.
Form 8938 (FATCA)
IRS report of specified foreign financial assets filed with your 1040 — threshold-driven, separate from FBAR.
FTC (Foreign Tax Credit, Form 1116)
Dollar-for-dollar credit (up to a per-category limit) for income tax paid to a foreign country.
Income Tax Treaty
Bilateral agreement between the US and another country that allocates taxing rights and provides relief from double taxation.
Mark-to-Market (MtM) election under §1296
A PFIC election available only for publicly-traded PFICs — taxes annual fair-value change as ordinary income.
PFIC (Passive Foreign Investment Company)
A non-US pooled investment vehicle (most foreign mutual funds and ETFs) the IRS treats with a punitive default tax regime under IRC §1291.
QEF (Qualified Electing Fund) election
A PFIC election that taxes you currently on your pro-rata share of the fund's earnings — avoiding the §1291 regime.
Streamlined Foreign Offshore Procedure
IRS procedure for non-wilful US persons abroad to come into compliance: three years of returns + six years of FBAR.
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