Independent expat-tax publication • Affiliate-supported • Updated for the 2026 filing season
Topical hub

International Tax Forms

Guides to U.S. international tax forms commonly encountered by Americans living abroad.

International Tax Forms

Form 2555 Guide for Americans Abroad

Form 2555 is the form used to claim the Foreign Earned Income Exclusion and foreign housing benefits when the eligibility rules are met.

Read guide →
International Tax Forms

Form 1116 Foreign Tax Credit Guide

Form 1116 is commonly used by expats to claim a credit for qualifying foreign income taxes and reduce double taxation.

Read guide →
International Tax Forms

Form 8938 vs FBAR

Form 8938 and FBAR are separate reporting regimes that can apply to the same taxpayer in the same year.

Read guide →
International Tax Forms

Form 3520 for Foreign Gifts

Form 3520 can apply to certain large gifts or bequests received from foreign persons, estates, corporations or partnerships.

Read guide →
International Tax Forms

Form 3520 and Foreign Trusts

Foreign trust ownership, contributions and distributions can create Form 3520 and potentially Form 3520-A obligations.

Read guide →
International Tax Forms

Form 5471 Guide for Foreign Corporations

Form 5471 is a major information return for certain U.S. persons with ownership, control or other relationships to foreign corporations.

Read guide →
International Tax Forms

Form 8621 and PFIC Reporting

Form 8621 is commonly associated with U.S. ownership of Passive Foreign Investment Companies, including many non-U.S. mutual funds and ETFs.

Read guide →
International Tax Forms

Form 8858 for Foreign Disregarded Entities

Form 8858 can apply to certain foreign disregarded entities and foreign branches owned by U.S. taxpayers.

Read guide →
International Tax Forms

Form 8865 for Foreign Partnerships

Form 8865 can apply when a U.S. person owns, controls or transfers property to certain foreign partnerships.

Read guide →
International Tax Forms

Form 8833 Treaty-Based Return Positions

Form 8833 is used to disclose certain treaty-based return positions when disclosure is required.

Read guide →

Prefer professional expat tax preparation?

Use the guides to identify the likely form set, then compare the complete engagement scope.

Check TFX Pricing