
Form 1116 + AI Agent Skill: Foreign Tax Credit Guide 2026
The foreign tax credit cuts US tax dollar for dollar. When you can skip Form 1116 (the $300/$600 rule), the limitation formula, and a full 2026 example.
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Last reviewed: August 11, 2026

The foreign earned income exclusion (FEIE) lets a US citizen or resident alien working abroad exclude up to $132,900 of foreign earned income from US income tax for tax year 2026, up from $130,000 in 2025, by filing Form 2555 with Form 1040. To qualify, your tax home must be in a foreign country and you must pass either the physical presence test (330 full days abroad in any 12-month period) or the bona fide residence test (a full tax year as a genuine resident abroad). The exclusion removes income tax only: self-employment tax, the FBAR filing requirement, and often state tax all survive it.
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Form 2555, Foreign Earned Income, is the IRS form that US citizens and resident aliens attach to Form 1040 to claim the foreign earned income exclusion and the foreign housing exclusion or deduction under IRC §911. The simplified Form 2555-EZ was discontinued after 2018, so the full form is now the only way to claim the exclusion.
Two conditions gate everything else. First, your tax home must be in a foreign country: your main place of business or employment, not merely where you sleep. A consultant whose principal work base stays in Chicago cannot claim the FEIE from a six-month stint abroad. Second, you must pass one of the two qualification tests covered below. Pay from the US government to its own employees never qualifies, no matter where the work happens.
The election is made by filing Form 2555 with a timely filed return (extensions count), and it stays in effect for every later year until you revoke it.
Foreign earned income is pay for services you personally perform in a foreign country. What controls is where you do the work, not who pays you or where the money lands. A freelancer in Lisbon invoicing US clients into a US bank account still has foreign earned income, because the work happened in Portugal. As a US citizen, that freelancer also keeps giving clients Form W-9, not W-8BEN: citizenship, not address, decides that form.
| Qualifies for the FEIE | Never qualifies |
|---|---|
| Wages and salary from a foreign or US employer, for work done abroad | Interest, dividends, and capital gains |
| Self-employment income from services performed abroad | Rental income, pensions, Social Security benefits |
| Bonuses, commissions, and professional fees earned abroad | US government pay to its employees |
| Noncash pay (housing, car) for foreign services | Pay for days physically worked in the US |
Self-employment income sits in both worlds: it counts as foreign earned income for the exclusion, but the exclusion never reduces the self-employment tax on it. That trap gets its own section below.
The physical presence test requires 330 full days in foreign countries during any period of 12 consecutive months (IRC §911(d)(1)(B)). Three counting rules decide close cases:
Meet Nadia, a freelance designer who quits her Boston agency job in spring 2026 and moves to Lisbon. Her day count for the test:
| Step | Nadia's numbers |
|---|---|
| Lands in Lisbon | April 10, 2026 (partial day, does not count) |
| First full day abroad | April 11, 2026 |
| Chosen 12-month period | April 11, 2026 – April 10, 2027 |
| US trips inside the window | Boston, Nov 20–27, 2026 (8 days) + a wedding, Mar 5–10, 2027 (6 days) |
| Full days abroad | 365 − 14 = 351, which beats 330 with 21 days to spare |
The window choice is strategy, not paperwork. If Nadia had picked the calendar year 2026 as her window, she would count only 257 foreign days (265 days from April 11 minus the 8-day Boston trip) and fail. Sliding the window to start on her first full day abroad is what makes her qualify, and the IRS lets you pick whichever 12 months help most. Keep a travel log with every border crossing; Form 2555 Part III asks for the exact dates.
Interactive
Do you pass the 330-day test, and how much comes off?
Enter the full days abroad in your chosen 12-month period, how many days of that period fall inside 2026, and your foreign earned income.
Midnight-to-midnight days in your 12-month period. 330 needed.
Days of that 12-month period that fall in tax year 2026.
2026 wages or net self-employment profit earned abroad.
Excluded from US income tax
$85,000
You pass the physical presence test with 351 full days (21 to spare).
2026 maximum exclusion $132,900 (Rev. Proc. 2025-32). Day ratio rounded to three decimals as on Form 2555, line 39. Housing exclusion/deduction not modeled. SE tax uses the 92.35% factor and the $184,500 Social Security wage base.
Size your full self-employment taxThe bona fide residence test requires you to be a genuine resident of a foreign country for an uninterrupted period that includes one entire tax year, January 1 through December 31 (IRC §911(d)(1)(A)). Unlike the mechanical day count, this test weighs facts and circumstances: a residence visa, a long-term lease or home, local tax registration, family living with you, and an open-ended stay all point toward bona fide residence. Only US citizens can use it freely; resident aliens qualify only if they are citizens or nationals of a country with a US income tax treaty.
Form 2555 Part II contains a built-in disqualifier: if you told the local authorities you are not a resident (line 13a) and you pay no income tax there (line 13b), you fail the test by definition.
Meet James, a US software engineer who moved to Singapore in March 2024 on an employment pass, signed a two-year lease, and has lived there since. For tax year 2026 he is a bona fide resident for the full year, so his qualifying period covers all 365 days and nothing is prorated. Short business trips and vacations to the US do not break bona fide residence; a move back does.
The maximum exclusion is $132,900 for tax year 2026 and $130,000 for tax year 2025, adjusted for inflation each year by the IRS (Rev. Proc. 2025-32). The housing numbers scale with it:
| Amount | 2025 | 2026 |
|---|---|---|
| Maximum FEIE (per person) | $130,000 | $132,900 |
| Housing base amount (16% of the cap) | $20,800 | $21,264 |
| Standard housing expense limit (30% of the cap) | $39,000 | $39,870 |
| Daily housing base | $56.99 | ~$58.26 |
| Maximum standard housing exclusion | $18,200 | $18,606 |
Two people, two exclusions: when both spouses work abroad and each qualifies, each claims their own FEIE, up to $265,800 combined in 2026.
Part-year proration. If your qualifying period covers only part of the tax year, the cap shrinks: maximum exclusion × (qualifying days in the tax year ÷ 365). Nadia's qualifying period starts April 11, 2026, so 265 days of it fall inside 2026. Her cap is $132,900 × 0.726 (265 ÷ 365, rounded to three decimals as Form 2555 line 39 requires) = $96,485. Her eight November days in Boston do not reduce the 265: proration counts days in the qualifying period, not days on foreign soil. With $85,000 of net freelance profit earned from Lisbon, all of it fits under her prorated cap and is excluded from income tax.
The foreign housing exclusion (IRC §911(c)) covers reasonable housing costs — rent, utilities other than phone and TV, renter's insurance, parking — but only the slice above the base amount of $21,264 for 2026, and generally up to the $39,870 limit. Employees claim the housing exclusion; self-employed taxpayers claim the same computation as a housing deduction on Schedule 1, line 24j. High-cost cities get a bigger limit under the IRS's annual adjusted-housing table (Notice 2025-16 for 2025); Singapore, Hong Kong, London, and Tokyo are all on it.
James earns $200,000 in Singapore and pays $36,000 a year in rent and utilities. His Form 2555 math, using 2026 limits (line numbers from the current form revision):
| Form 2555 step | Amount |
|---|---|
| Line 27: foreign earned income | $200,000 |
| Line 28: qualified housing expenses | $36,000 |
| Line 29b–30: expenses within the limit | $36,000 |
| Line 32: base amount (full year) | −$21,264 |
| Line 36: housing exclusion | $14,736 |
| Line 40: maximum FEIE (full-year factor 1.000) | $132,900 |
| Line 41: income minus housing exclusion | $185,264 |
| Line 42: FEIE (smaller of the two) | $132,900 |
| Line 43: total excluded | $147,636 |
The housing exclusion stacks on top of the FEIE cap, so James shelters $147,636 rather than stopping at $132,900. His rent stays under even the standard limit, so Singapore's higher table entry changes nothing for him.
One catch for the self-employed: the housing deduction is limited to foreign earned income that is not already excluded. Nadia excluded her entire $85,000, so her housing deduction limit is zero. The deduction only helps freelancers whose income runs past the FEIE cap.
Excluded income disappears from taxable income but not from the bracket math. Under IRC §911(f), the Foreign Earned Income Tax Worksheet computes tax on your remaining income as if the excluded amount were still sitting underneath it, so your first non-excluded dollar is taxed at the rate it would have faced without the exclusion.
James's remaining $52,364 ($200,000 − $147,636), minus the $16,100 standard deduction for single filers in 2026, leaves $36,264 of taxable income:
| Step | Amount |
|---|---|
| Tax on $36,264 + $147,636 stacked (single, 2026 brackets) | $36,734 |
| Minus tax on the $147,636 excluded layer | −$28,031 |
| Tax due under the stacking rule | $8,703 |
| Tax if $36,264 started in the 10% bracket instead | $4,104 |
| Cost of stacking | ≈ $4,600 |
Because his excluded $147,636 already filled the 10%, 12%, and 22% brackets, every taxable dollar James has left is taxed at 24%. Budget for this: people who expect "$36,264 of income means roughly $4,100 of tax" underpay their estimates by nearly half.
The FEIE competes with the foreign tax credit on Form 1116, and you cannot use both on the same dollar of income. The pattern that decides most cases: a low-tax country favors the FEIE, a high-tax country favors the credit.
| FEIE (Form 2555) | Foreign tax credit (Form 1116) | |
|---|---|---|
| Mechanism | Excludes up to $132,900 (2026) of earned income | Dollar-for-dollar credit for foreign income tax paid |
| Best when | Host country tax is low or zero (Singapore, UAE, Gulf states) | Host country rate is at or above US rates (most of Western Europe) |
| Income types | Earned income only | Earned and passive income |
| Ceiling | $132,900 per person plus housing | No dollar cap; limited to US tax on the foreign income |
| Unused benefit | Lost | Carries back 1 year, forward 10 |
| Additional child tax credit | Not allowed if Form 2555 is filed | Preserved |
| Changing your mind | Revocation locks you out 5 tax years | Free to alternate year by year |
James's Singapore tax runs far below US rates, so the FEIE is the obvious pick. Nadia should slow down before electing: Portugal's progressive rates reach the high 40s, and the Portuguese tax she pays could wipe out her US bill as a credit instead, with the excess carrying forward. Once income clears the FEIE cap, high-tax-country expats usually come out ahead on Form 1116.
Electing the FEIE is sticky. The election continues automatically every year until you revoke it, and once you revoke, you cannot claim the exclusion again for 5 tax years without IRS consent (IRC §911(e)(2)). Consent means requesting a private letter ruling from the Associate Chief Counsel (International), with a user fee attached. Claiming the credit instead of the exclusion for a year counts as a revocation. So the FEIE-vs-FTC choice is not a casual annual toggle; model both before you elect, especially if a move to a high-tax country is plausible within five years.
It does not reduce self-employment tax. IRC §1402(a)(11) computes net earnings from self-employment without regard to the §911 exclusion, and the IRS states it plainly: the excluded amount reduces your regular income tax but not your self-employment tax. Nadia's $85,000 profit escapes income tax entirely, yet she still owes about $12,010 of SE tax ($85,000 × 92.35% × 15.3%). Run your own number with our self-employment tax calculator. At Anna Money, across 60,000+ small businesses, we watched owners treat income tax and social-security contributions as one system; they move independently, and the second one is where the surprise bill hides. One legitimate exit exists: the US–Portugal totalization agreement assigns a self-employed person residing in Portugal to Portuguese social security, so with a certificate of coverage Nadia would pay Portuguese contributions instead of US SE tax. Running the freelance business through a US single-member LLC changes none of this: the LLC is disregarded and the profit is still her self-employment income. (Non-US owners of US LLCs follow a different rulebook, starting with Form 5472 and the non-resident LLC tax rules.)
It does not cover investment income. Dividends, interest, capital gains, rental profits, and pension distributions are never foreign earned income, no matter where you live.
It does not remove the filing requirement. A US citizen abroad must file Form 1040 even when the FEIE zeroes out taxable income; the exclusion only exists if you claim it on a filed return.
It does not touch the FBAR. If your foreign bank and financial accounts together topped $10,000 at any point in the year, you file FinCEN Form 114 with the Treasury separately from your tax return. Our FBAR deadline guide covers the April 15 due date and automatic October 15 extension.
It does not automatically follow to your state return. California is the classic example: it has no FEIE equivalent and keeps taxing residents on worldwide income until you actually terminate California residency. Moving abroad without cutting state ties can leave a full state tax bill on income the IRS excluded.
It does not preserve every credit. Filing Form 2555 makes you ineligible for the refundable additional child tax credit, and income you exclude is not compensation for IRA contribution purposes; exclude everything and your IRA limit drops to zero.
Form 2555 has nine parts, and most filers touch five of them. Part I collects your foreign address, employer, and tax home. Part II documents bona fide residence (James) or Part III the physical presence dates (Nadia). Part IV totals foreign earned income in US dollars at the exchange rate when received. Part VII computes the exclusion with the day-count proration, and Part VIII nets it: the combined exclusion lands as a negative number on Schedule 1, line 8d. Housing goes in Part VI (exclusion) or Part IX (self-employed deduction, to Schedule 1, line 24j). Then the Foreign Earned Income Tax Worksheet in the Form 1040 instructions applies the stacking rule.
Deadlines run on the expat calendar: returns are due April 15, Americans abroad get an automatic two-month extension to June 15, and Form 4868 pushes filing to October 15 (2025 returns on extension are due October 15, 2026). Interest still runs from April 15 on any balance. If you need more time to satisfy the 330-day test for a first claim, Form 2350 extends filing until after you qualify.
Our open-source skill library at github.com/jupid-tax/jupid-skills includes a dedicated forms/form-2555 skill that walks an AI agent through the form the way this article does. It checks the tax home requirement, scores both qualification tests against your travel dates, counts full days for the physical presence window, prorates the $132,900 cap by qualifying days, and runs the housing exclusion math with the $21,264 base before computing the Part VII exclusion. It also flags the cases this article warns about: SE tax that survives the exclusion, the five-year revocation lock, and when the foreign tax credit beats the FEIE. Load it into Claude or another agent and review the completed parts against your travel log before filing.
Counting travel days as full days. Nadia's April 10 arrival day does not count; neither does any day touching the US, including layovers. One miscounted day below 330 forfeits the entire exclusion.
Using the calendar year as the 12-month window. The window can start any day. Calendar-year counting would have failed Nadia even though she genuinely qualified from April 11.
Excluding US workdays. Pay for days physically worked in the US is US-source income even with a foreign employer; Form 2555 line 14 makes you carve it out.
Ignoring SE tax in estimates. Freelancers who exclude everything still owe 15.3% of 92.35% of net profit; on $85,000 that is $12,010 with nothing withheld against it.
Electing FEIE in a high-tax country. Once elected, switching to the foreign tax credit revokes the exclusion and starts the 5-year lockout. Compare both before the first election, not after.
Treating June 15 as a payment extension. The automatic expat extension moves the filing date only; interest accrues on unpaid tax from April 15.
Freelancing from Lisbon does not pause your US books; it splits them across currencies, clients, and time zones. Jupid is an AI accountant that lives in WhatsApp and iMessage, connects to your bank accounts, and categorizes every transaction with 95.9% accuracy, so your Schedule C profit is accurate before Form 2555 ever enters the picture. Ask "how much should I set aside for self-employment tax?" and the answer reflects your real year-to-date numbers, not a guess. When filing season comes, your return is built from books that were clean all year, wherever you happened to be working. Try Jupid.
This guide is for general educational purposes and does not constitute tax, legal, or accounting advice. The foreign earned income exclusion interacts with your travel history, host-country tax system, and state residency in ways specific to your situation. For advice specific to your situation, consult a qualified tax professional.

CEO & Co-Founder
Fintech CEO with 10+ years building accounting and financial technology products. Previously co-founded and scaled an AI-powered accounting platform to $30M revenue and 100K+ business users, achieving 30,000 customers per accountant through automation — recognized by CNBC as a top fintech company. Holds a Master's in Management Information Systems. At Jupid, he leads the development of AI-native bookkeeping, tax, and compliance tools designed for freelancers and small business owners.

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