アメリカの税制を理解することは、米国市民やグリーンカード保有者にとって非常に重要です。たとえ海外に長く居住していても、アメリカでは独自の税制が適用され、全世界所得課税の対象となる場合があります。<...
Mar 25, 2026

Prior year transcripts - who to call, which forms to fill out, etc.

A common misunderstanding is that US citizens abroad do not have to file tax returns

Audits are no fun, especially when the documents are not standard US tax forms; TFX can help

How the IRS computes tax, interest, and other penalties & what you can do to avoid them

TFX is an authorized e-file firm and e-files tax returns for taxpayers globally

If you do have a tax bill, what are the ways you can pay the IRS?

We can amend prior filed returns to ensure you get the deductions & credits you are eligible for

In cases where E-filing is not permitted (IRS rules), we outline where and how to snail mail the returns

The IRS can’t chase you forever; we break down the rules behind the IRS statute of limitations

What are ITINs, who needs one, how to get one, and when they expire

Recently Published Articles

Expatriate tax glossary. Commonly used terms explained

More complicated than it sounds. How ‘US Person’ is defined by the IRS and what it means to you

“Resident” can have many different meanings for the IRS.

FinCEN Form 114 and filing requirements explained. Who needs to file, when, and why?

How is your nest egg treated by the IRS? It depends on the country and the plan

How to avoid double taxation

One of two ways to meet the Foreign earned income exclusion (FEIE)

It’s the law. But, outside of legal reasons, many taxpayers may also benefit from refunds

There are many different deadlines & possible extensions - TFX can keep you abreast.

Which documents you may require in getting caught up to date on your tax returns

It depends. State taxes are one of the most misunderstood aspects of expat tax.

Thousands of tax forms exist, but which select few you really need to understand

How to understand these two terms & use them to your advantage to obtain tax refunds

How to understand these two terms & use them to your advantage to obtain tax refunds

Why these complex terms can mean a lot to self-employed individuals & digital nomads

US tax filing requirements & credits specific to permanent residents

Big life choice that also carries hidden tax implications & filing requirements

Will your non-US spouse be sble to receive survivor, dependent, or spousal benefits?

US citizens & Green Card holders who are living and working outside the US

TFX has partnerships with many international schools to assist their staff with tax filings

Contractor taxes contain many nuances, especially for potential state tax filing requirements

Aid workers (& other staff) of the UN, EC, WHO or WB have many tax advantages and tax complexities

Thx for keeping us safe in the sky! International pilot taxes are *almost* as complex as flying a jet

Working in war zones or stationed abroad, TFX can help understand filing requirements

Global citizens who earn a living without a permanent establishment

TFX files returns for American retirees globally & ensures their nest eggs are protected

We support entrepreneurs globally & explain how to make the most of your hard-earned earnings

Permanent residency has tax implications - we explain what you need to know

Born with a U.S. citizenship but never filed tax returns? TFX can help.

Multiple citizenship is in vogue! TFX explains your U.S. tax filing requirements