Haven’t Filed Your U.S. Taxes as an Expat? Here’s What You Need to Know

You might have moved abroad and assumed your U.S. tax responsibilities stayed behind. It’s a common misconception and one that’s easy to make. But the reality is, if you're a U.S. citizen, the IRS still expects you to file each year, no matter where you live.

The good news? In most cases, it’s possible to catch up without penalties and Mertz International Limited can help you do it the right way.

Why U.S. Expats Still Have to File

The U.S. is one of the only countries in the world that taxes based on citizenship, not residency. That means no matter where you live or work, the IRS still expects you to file a return every year if your income meets the minimum filing threshold.

This applies even if:

You don’t owe any U.S. tax due to exclusions or credits
You’ve lived abroad for decades
Your income is entirely foreign-sourced

Even if you’re already paying taxes in your country of residence, you likely still have a filing requirement with the U.S.

What Happens If You Haven’t Filed?

Failing to file doesn’t automatically mean you’ll face penalties. But the longer you wait, the greater the risk. Common consequences include:

Failure-to-file and failure-to-pay penalties
Loss of key tax benefits like the Foreign Earned Income Exclusion (FEIE) or Foreign Tax Credit (FTC)
Problems with immigration applications or visa renewals
Fines for failing to report foreign accounts (FBAR and FATCA violations)

There’s a Penalty-Free Way to Catch Up

The IRS offers a program called the Streamlined Filing Compliance Procedures for taxpayers who are behind but non-willful in their failure to file. This is ideal for expats who simply didn’t know they had an ongoing tax obligation.

The process typically involves:

Filing the last 3 years of tax returns
Filing the last 6 years of FBARs (if applicable)
Submitting a certification that the non-filing was not intentional

Mertz International Limited has guided hundreds of clients through this process and many of whom owed little or nothing after applying the right exclusions and credits.

Why You Should Act Now

The IRS continues to expand its global reach. With growing cooperation between tax authorities and financial institutions worldwide, your foreign bank accounts and income may already be visible to the U.S. government.

Voluntary compliance now is a smart move. It shows good faith, avoids enforcement risk, and gives you access to favorable IRS programs while they’re still available.

How Mertz International Limited Can Help

With over 27 years of experience, our team has the expertise to handle complex expat tax issues with discretion and precision. We offer:

A clear compliance roadmap tailored to your situation
Preparation of all tax filings and FBARs
Strategies to minimize or eliminate tax owed
Ongoing support to keep you compliant long-term

We can also help with:

Tax Preparation for Both U.S. and Resident Country

We handle your tax returns for both the U.S. and your new home country, ensuring compliance and proper income reporting.

Tax Return Review

Our US Expat CPA and Tax Avoidance Specialist will help you avoid filing mistakes, minimize your tax payments, and maximize your refunds!

Company Financials Review

Our US Expat CPA and Tax Avoidance Specialist will help you reshape your business' financial structure and unlock tax benefits you didn't know existed!

Read our Latest Blogs

10 Tax Secrets Expats Should Know Before Moving

We've compiled our best tax tips into an 18-page document to help you achieve a more financially savvy expat life. Grab your copy!