Tax Guide for Americans Living in Brazil

Josh Katz, CPA
Updated: August 26, 2026

Josh Katz, CPA is the founder of Universal Tax Professionals and a leading international tax accountant with over 20 years of experience, including time at a Big 4 accounting firm, specializing in expat taxes and cross-border tax planning for Americans living abroad

Americans living in Brazil must still file a US tax return every year. Citizenship, not residency, is what triggers your IRS filing obligation, so relocating to São Paulo, Rio de Janeiro, or Florianópolis does not end it.

Unlike many countries popular with US expats, Brazil and the United States do not have a comprehensive income tax treaty. There is a Social Security Totalization Agreement, and a FATCA agreement, but no treaty governing income tax. That gap changes how double taxation relief works and removes some of the treaty-based planning tools Americans in treaty countries rely on.

The good news: most Americans in Brazil still avoid double taxation using the Foreign Tax Credit, which US law allows even without a treaty. The catch is everything else, Brazilian bank accounts, PGBL and VGBL pension plans, Brazilian mutual funds, MEI self-employment, and Ltda business ownership, all create US reporting obligations that most people find out about too late. This guide walks through what actually applies to you.

Key Takeaways: Taxes for American Expats Living in Brazil
  • US Filing Is Required Every Year
  • Becoming a Brazilian Tax Resident
  • No Treaty Means the Foreign Tax Credit Does the Work
  • Brazilian Bank Accounts Trigger FBAR and FATCA
  • Brazilian Pensions and Investments Get Complicated Fast
  • Self-Employment Has Its Own Rules
  • Business Owners Face Form 5471 and GILTI
  • Behind on Filing? The Streamlined Program Fixes It
  • Why Americans in Brazil Trust Universal Tax Professionals

Americans living in Brazil must file a US federal tax return annually, regardless of how long they have lived there or how much Brazilian tax they already pay.

Citizenship-based taxation does not pause while you are abroad.

Brazil treats you as a tax resident if you arrive on a permanent visa, begin local employment, or spend more than 183 days (consecutive or not) in the country within any rolling 12-month period.

Once triggered, Brazil taxes your worldwide income at progressive rates up to 27.5%.

With no US-Brazil income tax treaty, the Foreign Tax Credit (Form 1116) is the primary tool preventing double taxation, and it is available under domestic US law rather than treaty text.

For most employees and residents paying Brazilian IRPF, the credit substantially reduces or eliminates the added US bill.

Opening a Brazilian account, conta corrente or poupança, is one of the first things every expat does. If your combined foreign accounts exceed $10,000 at any point in the year, an FBAR is required.

Higher balances add Form 8938 (FATCA) to the list.

PGBL and VGBL, Brazil’s most common private retirement products, are frequently treated by the IRS as foreign trusts, triggering Form 3520 and 3520-A.

Brazilian mutual funds and locally domiciled ETFs are typically PFICs, one of the harshest categories in the US tax code.

Brazil’s MEI program is the easiest way for freelancers and digital nomads to formalize local income, but it does not touch your US self-employment tax obligation, and the US-Brazil Totalization Agreement determines which country’s system actually applies.

Americans who own 10% or more of a Brazilian Ltda must file Form 5471 annually, with a $10,000 minimum penalty for missing it, even at zero profit.

Profitable service companies may also trigger GILTI on retained earnings.

The IRS Streamlined Foreign Offshore Procedures let non-willful non-filers catch up by submitting three years of returns and six years of FBARs, penalty-free.

The option disappears the moment the IRS contacts you first.

Universal Tax Professionals works with Americans across Brazil, from digital nomads in Florianópolis on MEI registrations to retirees in Rio and business owners with Ltdas, handling FBAR, FATCA, PFIC reporting, and Streamlined filings as standard, not as add-ons.

We also help Americans plan their move to Brazil before the first tax year begins, structuring investments and business ownership correctly from day one instead of untangling mistakes later.

Quick Facts: US Taxes for Americans in Brazil

US Filing Requirement Required every year for all US citizens and green card holders, regardless of residence
Brazilian Tax Residency Trigger 183+ days in a rolling 12-month period, OR a permanent visa, OR the start of local employment
Brazilian Income Tax Rates (2025, filed 2026) 0% to 27.5% (progressive); 2026 reform raises the exempt band to about R$5,000/month
US-Brazil Tax Treaty None. No comprehensive income tax treaty exists; only a Social Security and a FATCA agreement are in force
Best US Strategy Foreign Tax Credit (FTC) for most residents; FEIE often useful for self-employed and MEI earners
FBAR Threshold Brazilian accounts (including poupança, CDB, PGBL, VGBL) exceeding $10,000 combined at any point in the year
FATCA Threshold (abroad, single) $200,000 at year-end or $300,000 at any point in the year
Totalization Agreement In force since October 1, 2018; self-employed workers are covered by the country where they reside
Brazilian Tax Return Deadline Last business day of May (DIRPF) for the prior calendar year
US Filing Deadline (expats) June 15 automatic extension; October 15 with Form 4868

Tax Residency in Brazil

How You Become a Brazilian Tax Resident

Brazil’s Receita Federal applies several independent residency triggers. Meeting any one of them is enough to make you a tax resident for that period.

  • Permanent visa: You become a tax resident from your date of arrival, no waiting period required.
  • Temporary visa with local employment: Residency begins on the date your Brazilian employment relationship starts.
  • 183-day rule: Anyone else, tourists, digital nomads, and temporary visa holders without local employment, becomes a resident after more than 183 days (consecutive or not) of physical presence within any rolling 12-month period, effective on day 184.
Important Note:

Getting your CPF (Cadastro de Pessoas Físicas) is required for almost every financial transaction in Brazil and does not by itself make you a tax resident. Physical presence, visa category, and employment status are what matter, not the CPF registration date.

The Visa You Arrived On Matters

Americans typically enter Brazil under one of the following categories. The visa shapes your residency timeline, but the underlying tests above still control.

VITEM XIV Digital Nomad Visa — for remote workers paid by clients or employers located outside Brazil; does not by itself delay the 183-day residency trigger.

VITEM V Retirement/Investor Visa — for retirees with qualifying income or investors meeting minimum thresholds; often leads to a permanent residency card (CRNM).

Work Visa (VITEM V, employment-based) — tied to a Brazilian employer; residency begins on the employment start date.

Investor or Golden Visa routes — for those investing in Brazilian companies or real estate above set minimums, generally leading to permanent residency.

Most Americans on the digital nomad visa or retirement visa become Brazilian tax residents within their first year, either through the 183-day count or by converting to permanent residency.

Brazilian Income Tax Rates (2025 Tax Year, Filed in 2026)

Brazil’s personal income tax, IRPF (Imposto de Renda da Pessoa Física), is progressive and administered by the Receita Federal. For the 2025 tax year, the annual brackets are:

Taxable Income (BRL, annual) Rate
Up to R$26,963 Exempt (0%)
R$26,963 - R$33,919 7.5%
R$33,919 - R$45,012 15%
R$45,012 - R$55,976 22.5%
Over R$55,976 27.5%

Other Brazilian Taxes Americans Should Know

  • Rental income (non-resident owners): Flat 15% withholding on gross rent, remitted by the tenant or property manager, with limited deductions.
  • Rental income (residents): Progressive rates up to 27.5%, reported monthly through carnê-leão, with deductions for condominium fees, IPTU, and maintenance.
  • Capital gains on property: 15% to 22.5% depending on the size of the gain; non-residents generally do not qualify for the reinvestment exemption available to residents.
  • IPTU (annual property tax): Roughly 0.3% to 1.5% of assessed value, varying by municipality.
  • ITBI (property transfer tax): 2% to 4% of property value, paid once at purchase.
  • INSS (social security): Employee rates are progressive, roughly 7.5% to 14%, capped at about R$877 per month; self-employed contributions depend on the regime chosen.
  • IOF: A financial transactions tax that applies to currency exchange, loans, and some investment transactions, including international wire transfers.

American in Brazil? Get the Filing Right the First Time.

Between IRPF, carnê-leão, and a shifting 2026 tax reform, Brazil’s system changes fast. Our team tracks these updates so you do not have to.

Talk to a Professional

No US-Brazil Tax Treaty: What That Actually Means

The United States has comprehensive income tax treaties with dozens of countries. Brazil is not one of them. Despite decades of discussion, no comprehensive US-Brazil income tax treaty has ever entered into force.

What does exist: a Social Security Totalization Agreement (in force since October 1, 2018) and a FATCA intergovernmental agreement governing account reporting. Neither is an income tax treaty, and neither reduces your US filing obligation.

Why the Missing Treaty Matters

Without a treaty, there is no saving clause to think about, but there is also no treaty tie-breaker for dual residents, no treaty-reduced withholding rates on dividends or royalties, and no Form 8833 treaty position to fall back on for pension income. Relief from double taxation rests entirely on the Foreign Tax Credit and Foreign Earned Income Exclusion under domestic US law, which fortunately apply regardless of whether a treaty exists.

The Foreign Tax Credit vs. the FEIE in Brazil

The Foreign Tax Credit (Form 1116) lets you apply Brazilian income tax paid against your US liability, dollar for dollar, on the same income. Because Brazil’s top IRPF rate (27.5%) is close to typical US marginal rates, the FTC usually erases most or all additional US tax for salaried residents, with unused credit carried forward up to 10 years.

The Foreign Earned Income Exclusion (Form 2555) lets qualifying Americans exclude up to $130,000 of foreign earned income for the 2025 tax year, rising to $132,900 for 2026. The FEIE tends to matter more for MEI freelancers and self-employed Americans in Brazil, whose Brazilian tax paid may be lower than their US liability, but it does not reduce self-employment tax, and it can disqualify you from the refundable Additional Child Tax Credit and IRA contributions.

Many Americans in Brazil benefit from modeling both before filing, since the right answer depends heavily on income type and amount.

No Treaty, No Problem, With the Right Strategy.

Brazil’s missing tax treaty catches new arrivals off guard. Our CPAs model the FTC against the FEIE using your actual Brazilian tax bill before you file, not after.

Book a Consultation

Tax Deadlines: Brazil and the US

Brazilian Tax Deadlines

Date What Happens
March Receita Federal opens the DIRPF filing system for the prior calendar year
Last business day of May Standard deadline to file the Brazilian annual return (Declaração de Ajuste Anual)
Throughout the year Residents with foreign income report it monthly via carnê-leão, due the last business day of the following month
May - September Refunds (restituição) are paid in five monthly batches; older taxpayers and teachers are prioritized

US Tax Deadlines for Expats in Brazil

Date What It Covers
April 15 Standard US filing deadline; unpaid tax begins accruing interest from this date
June 15 Automatic 2-month extension for Americans living abroad, no form required
October 15 Final extended deadline for taxpayers who filed Form 4868
December 15 Additional discretionary extension, subject to IRS approval

Reporting Your Brazilian Bank Accounts to the US Government

Opening a Brazilian bank account is one of the first things Americans do after arriving, and it is also one of the first things that creates a US reporting obligation.

FBAR (FinCEN Form 114)

If the combined value of all your foreign financial accounts, checking, poupança, CDBs, brokerage, PGBL, and VGBL, exceeds $10,000 at any point during the year, you must file an FBAR. The threshold is an aggregate across every account, not a per-account limit.

The FBAR is filed directly with FinCEN, separately from your tax return, due April 15 with an automatic extension to October 15. Willful failure to file can carry penalties up to the greater of $100,000 or 50% of the account balance; even non-willful failures can reach $10,000 per account per year.

FATCA (Form 8938)

FATCA captures a broader set of foreign assets than the FBAR, including foreign pensions, equity in Brazilian companies, and certain insurance-wrapped investment products such as VGBL. Thresholds for Americans living abroad are higher than for US residents:

  • Single filers: Over $200,000 at year-end, or over $300,000 at any point during the year
  • Married filing jointly: Over $400,000 at year-end, or over $600,000 at any point

Form 8938 is filed with your annual Form 1040. FBAR and FATCA overlap in places but are separate filings, and our FBAR vs. FATCA guide breaks down exactly when each one applies to Americans in Brazil.

Important Note:

Brazil has its own version too: Brazilian tax residents with over $1M abroad on Dec 31 must file the CBE with the Central Bank by June 5. If you keep US accounts while living there, check this, it runs alongside your FBAR and FATCA filings, not instead of them.

Brazilian Investments and Pensions: The PFIC and Foreign Trust Problem

This is one of the costliest traps for Americans living in Brazil, and it catches retirees and salaried employees alike, often through products a Brazilian bank recommends as the default choice.

Brazilian Mutual Funds and the PFIC Trap

Brazilian mutual funds (fundos de investimento) and locally domiciled ETFs are generally classified as Passive Foreign Investment Companies (PFICs) under US tax law. The IRS taxes PFIC income and gains at the highest ordinary rates, with interest charges layered on top, and each PFIC must be reported annually on Form 8621, even in years you sell nothing.

Investment Type US Tax Risk
Fundos de investimento (Brazilian mutual funds) PFIC — punitive ordinary income rates; Form 8621 required annually
Tesouro Direto and CDBs held inside a fund wrapper May be PFIC depending on structure; individually held bonds are typically not
Brazilian-listed ETFs PFIC regardless of the underlying index or where the fund is domiciled
US-listed Brazilian ADRs (e.g. PBR, ITUB, VALE) Generally not a PFIC — treated as an ordinary foreign corporation stock

PGBL and VGBL: Retirement Accounts That Become US Foreign Trusts

PGBL (Plano Gerador de Benefício Livre) and VGBL (Vida Gerador de Benefício Livre) are Brazil’s most popular private pension products, often compared locally to a US 401(k) or IRA. The comparison does not hold up on the US side.

Important Note:

Hold your PGBL/VGBL contracts as-is until you consult a US expat tax specialist, surrendering or restructuring first could trigger a bigger US tax hit (from trust classification and PFIC exposure) than just leaving them alone.

Because there is no US-Brazil tax treaty, the IRS does not recognize PGBL or VGBL as tax-deferred retirement accounts. Depending on the plan’s structure, the IRS may treat it as a foreign trust, requiring Form 3520 and Form 3520-A, or the underlying fund holdings may separately trigger PFIC treatment under Form 8621. Growth inside the plan can be taxable to the IRS annually, even though Brazil defers tax until withdrawal.

Holding PGBL, VGBL, or Brazilian Funds? Let Us Look First.

One Brazilian pension or fund can trigger years of Form 3520 and 8621 exposure most CPAs miss. We find out what you hold and what it means for your US return.

Get Expert Help Here

Self-Employment in Brazil: MEI, Autônomo, and US Tax Rules

Brazil has become one of the most popular digital nomad destinations for Americans, and the VITEM XIV digital nomad visa, paired with Brazil’s simple MEI registration, makes formalizing local income easier than in most countries. It also raises US tax questions that are specific to how Brazil, not just the US, treats self-employed workers.

The MEI Regime for US Freelancers and Digital Nomads

MEI (Microempreendedor Individual) is Brazil’s simplified regime for solo entrepreneurs, capped at R$81,000 in annual gross revenue as of 2026 (a legislative proposal to raise this to R$140,000 was pending in Congress at time of writing). Registration is free, takes about 15 minutes online, and bundles INSS social security, ISS, and a small federal contribution into one fixed monthly payment of roughly R$75 to R$87.

MEI is attractive for its simplicity, but the revenue cap is low for anyone billing in US dollars, and eligible activities are limited to those listed in Brazil’s official CNAE table. Freelancers who exceed the cap, or whose work is not covered, typically move to Simples Nacional or register as an autônomo instead.

None of these Brazilian registrations change your US obligations. Income earned through an MEI, autônomo registration, or Simples Nacional company is still reportable on your US return, and self-employment income is still subject to US self-employment tax on top of income tax, regardless of any exclusion you claim.

Important Note:

The FEIE, not the FTC, is usually the more useful tool for MEI and autônomo income, since Brazilian tax on modest freelance earnings is often lower than what the FTC would credit. But the FEIE alone does not resolve self-employment tax, the totalization agreement and certificate of coverage do that part.

Self-Employment Tax and the Totalization Agreement

This is where Brazil differs from many other expat destinations. Under most US totalization agreements, coverage for self-employed workers depends on the duration of the stay abroad. Under the US-Brazil agreement, coverage is assigned by residence: self-employed workers who reside in Brazil are covered by the Brazilian INSS system, and self-employed workers who reside in the US are covered by US Social Security, with no multi-year waiting period.

In practice, a US freelancer who becomes a Brazilian tax resident and registers as MEI or autônomo can generally request a certificate of coverage under the US-Brazil Totalization Agreement confirming Brazilian coverage applies, exempting that income from US self-employment tax. The certificate must be requested and attached to your US return as proof, it is not automatic just because you are paying INSS.

Freelancing or Running an MEI in Brazil?

MEI registration, the totalization agreement, US self-employment tax, digital nomad rules in Brazil trip up most US preparers. We handle both sides correctly.

Check Your Self-Employment Status

Business Ownership in Brazil and IRS Compliance

The Brazilian Ltda

A Sociedade Limitada (Ltda) is Brazil’s standard private limited company structure, the rough equivalent of a US LLC, commonly used by Americans running agencies, consultancies, or e-commerce operations.

If you own 10% or more of a Brazilian Ltda (or an S.A.), you must file Form 5471 annually with the IRS. The penalty for missing it is $10,000 per form per year, even if the company earned nothing and you owe zero US tax.

GILTI and Retained Earnings

If your Ltda is a profitable service business, GILTI (Global Intangible Low-Taxed Income) rules may require you to pay US tax on the company’s retained earnings each year, even without ever taking a distribution. A Brazilian Ltda does not shield its US-citizen owner from US tax the way a US LLC would; the structure and the elections available matter significantly.

Americans with a Ltda that is classified as a partnership for US tax purposes may instead face Form 8865 reporting rather than Form 5471, depending on ownership structure. Getting this classification right at formation avoids costly corrections later.

Running a Business in Brazil as an American?

Form 5471, GILTI, and partnership classification can apply to a Ltda, even with no distribution. We help American business owners in Brazil structure it right.

Contact Us Today

State Taxes: The Issue Americans Often Miss

Moving to Brazil does not automatically end your US state tax obligations. States including California, New York, and Virginia apply aggressive residency rules and may keep taxing your income after you move abroad if you retain meaningful ties, a bank account, a driver’s license, a storage unit, or family property.

Before leaving the US for Brazil, take concrete steps to sever domicile in your home state. The specific steps differ by state, but the earlier they are taken, the cleaner the break.

Behind on Your US Taxes? The IRS Streamlined Program Exists for This

If you have been living in Brazil without filing US tax returns, you are not alone, and there is a legal, penalty-free path back into compliance.

The IRS Streamlined Foreign Offshore Procedures allow Americans living abroad who are behind on their taxes to:

File three years of delinquent tax returns

File six years of delinquent FBARs

Pay any outstanding tax owed, plus a modest interest charge

Have all penalties waived, provided the failure was non-willful

Non-willful means you were not intentionally hiding income. Many Americans who moved to Brazil simply did not realize they had to keep filing a US return, that is exactly who this program was built for.

The critical deadline is not a calendar date, it is whenever the IRS contacts you first. Once an examination or inquiry begins, the Streamlined program closes permanently for that taxpayer. If you have not yet heard from the IRS, the window is open right now.

Universal Tax Professionals has a 100% success rate in Streamlined Filing Procedures, guiding Americans across Brazil and Latin America through the process from first contact to final confirmation. Our Streamlined filing guide walks through the full process step by step.

Behind on Filing? We've Done This Before.

Our team has guided Americans living in Brazil through the IRS Streamlined Foreign Offshore Procedures from start to finish, with every penalty waived.

Find Out If You Qualify

Why Americans in Brazil Trust Universal Tax Professionals

US expat tax is a specialty, and Brazil adds a layer most preparers have never dealt with: no income tax treaty, PGBL and VGBL trust classification, PFIC-heavy local funds, and a totalization agreement with residence-based rules unlike most other countries.

Every engagement is handled by a licensed CPA or Enrolled Agent who works with American expats exclusively, year-round.

What UTP Does That Others Don’t

We get you fully compliant, not just partially filed. Every return includes FBAR coordination, PFIC review, and FATCA assessment as standard, nothing gets left out because it fell outside a base fee.

We have a 100% success rate on IRS Streamlined submissions. Every client who has come to us behind on filing has completed the Streamlined Foreign Offshore Procedures with all penalties waived.

We stop problems before they start. We work with Americans planning their move to Brazil, structuring investments, business ownership, and self-employment registration correctly before the first tax year begins.

We charge flat fees, with no surprises. You know exactly what you are paying before we start, no hourly billing and no add-on charges for forms your return actually required.

We have handled the full range of situations Americans in Brazil face: new arrivals on the digital nomad visa, retirees in Florianópolis and Rio, freelancers formalizing an MEI, business owners with Ltdas, and people who have been living in Brazil for years without filing a single US return.

What Americans Abroad Are Saying About Universal Tax Professionals

Discover why Americans living in Portugal trust Universal Tax Professionals. See our 4.9-star rating on Google Reviews and Trustpilot.

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“Highly recommend if you live abroad and need help filing expat taxes. I worked with Carlos to file my return and he made the process easy to understand plus answered my (many!) questions. I don’t enjoy doing taxes, but someone else getting it right while making it easy for me is worth every penny.”

— Katherine P.

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“If you have not yet given Universal Tax Professionals a try, I really hope you do so. The customer service of this company is unmatched, and especially in today’s world when it feels like the service mindset has been lost, this is priceless. So thank you once again and I look forward to working with you in the future!”

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“First time using the tax services of Universal Tax Professionals. I was very impressed with the professionalism I experienced with the folks there. My US Tax return was completed in a short time and my inquiries were always answered the same day I sent them. Their costs are very reasonable. Overall, a very positive experience. I will definitely use their services again!”

— Elizabeth B.

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“I’ve been doing my taxes with them for years and I’ve always had a positive experience. I’m very happy to have a peace of mind knowing that even though I’m abroad my US taxes are being taken care of. Good communication and great service!”

— from an American Expat

Ready to File Correctly, or Finally Catch Up?

Every case is different, newly arrived, running an MEI or Ltda, planning relocation, or behind on filing. We work with Americans in Brazil year-round, not just tax time.

Contact Us Today

Frequently Asked Questions

Do Americans living in Brazil have to file US taxes?

Yes. The United States taxes based on citizenship, not where you live. Every US citizen and green card holder must file an annual federal return regardless of how long they have lived in Brazil or how much Brazilian tax they pay. Moving to Brazil does not end your IRS filing obligation.

Is there a tax treaty between the US and Brazil?

No. There is no comprehensive US-Brazil income tax treaty. The two countries do have a Social Security Totalization Agreement, in force since October 1, 2018, and a FATCA agreement, but neither replaces an income tax treaty. Double taxation relief comes from the Foreign Tax Credit and Foreign Earned Income Exclusion under US domestic law.

Will I owe US taxes if I already pay Brazilian income tax?

Most Americans in Brazil do not owe significant additional US tax on Brazilian-earned income, since the Foreign Tax Credit generally offsets Brazilian IRPF paid on the same income. You still must file and claim the credit correctly, it is not automatic.

Do I need to report my Brazilian bank accounts to the IRS?

Yes. If the combined value of your foreign financial accounts, including poupança, CDBs, PGBL, and VGBL, exceeds $10,000 at any point in the year, you must file an FBAR (FinCEN Form 114).

Are PGBL and VGBL treated like a US retirement account?

No. Because there is no tax treaty, the IRS does not automatically recognize PGBL or VGBL as tax-deferred. Depending on structure, these plans may be treated as foreign trusts requiring Form 3520 and Form 3520-A, and the underlying investments may also trigger PFIC reporting on Form 8621.

Can I register as MEI in Brazil as a US citizen?

Yes, foreign residents with an eligible visa, including the VITEM XIV digital nomad visa, can register for MEI. It does not require a Brazilian guarantor. Keep in mind MEI’s R$81,000 annual revenue cap and its list of eligible activities, and remember that MEI registration has no effect on your US filing or self-employment tax obligations.

Do I owe US self-employment tax if I pay into Brazil's INSS through MEI?

It depends. Under the US-Brazil Totalization Agreement, self-employed workers who reside in Brazil are generally covered by INSS instead of US Social Security. You typically need to request a certificate of coverage and attach it to your US return to claim the exemption from US self-employment tax.

What is a Brazilian Ltda and how does the IRS treat it?

A Sociedade Limitada (Ltda) is a private limited company, similar in concept to a US LLC but treated very differently for US tax purposes. Owning 10% or more requires filing Form 5471 annually, with a $10,000 minimum penalty for failing to do so. Profitable service businesses may also trigger GILTI, taxing retained earnings even without a distribution.

I've been living in Brazil for years without filing US taxes. What do I do?

The IRS Streamlined Foreign Offshore Procedures offer a legal, penalty-free path back into compliance. Eligible Americans file three years of returns and six years of FBARs, with all penalties waived, provided the failure was non-willful.

Do I still owe US state taxes if I move to Brazil?

Possibly. States including California, New York, and Virginia maintain aggressive residency rules that can continue taxing your income after you move abroad if you retain ties to the state. Taking steps to formally change your domicile before departure is worth addressing early.