"Permanent establishment" is a treaty term. The Internal Revenue Code does not define it. The Code uses the phrase in section 894(b), but only to say that a nonresident alien or foreign corporation is deemed not to have a permanent establishment when the income in question is not effectively connected with a U.S. trade or business. The definition that decides your tax is written in the treaty between the United States and the country you live in, not in the tax code.
That is why the term confuses people. Founders read that a permanent establishment makes your profits taxable in the United States, and they assume it is a rule that applies to everyone. It is not. It only works for a person who lives in a country that has a treaty with the United States, and it does nothing at all for a person the IRS already counts as a U.S. person.
For the people it does apply to, it is the whole ballgame. If you are a resident of a treaty country, whether the United States may tax the profits of your business comes down to one question: do you have a permanent establishment here, or not.
What the rule actually asks for
IRS Publication 901 gives a general definition. It says the terms "fixed base" and "permanent establishment" generally mean "a fixed place of business, such as a place of management, a branch, an office, a factory, a warehouse, or a mining site through which an enterprise carries on its business." The same publication warns that the exact meaning is set by the particular treaty, so this is the shape of the term rather than the last word on it.
Read the list slowly. Every item on it is a place. A place of management. A branch. An office. A factory. A warehouse. The definition asks where your business is physically carried on, not where your customers are, not where your money arrives, and not where your website is hosted.
Now the consequence. Publication 901 repeats one sentence in country entry after country entry, where it explains what happens when a treaty has no separate independent services article and sends the income to the business profits article instead: "business profits are exempt from U.S. income tax unless the individual has a permanent establishment in the United States." That sentence sits in the personal services part of the publication, and it is the IRS describing what a treaty's business profits article does. The words that bind you are the words of the business profits article in your own treaty.
So the test is a gate, not a rate. There are two sides of the gate and nothing in between:
- No permanent establishment in the United States. Your business profits are exempt from U.S. income tax under the treaty.
- A permanent establishment in the United States. The exemption ends, but only for the profits that belong to that permanent establishment. The United States taxes those profits. It does not get to tax the rest of your worldwide business just because you opened one office here.
There is a matching rule for people who sell their own services rather than run a company. Publication 901 says an independent contractor's income is generally exempt if they "do not have a fixed base regularly available to them in the United States for performing the services." A fixed base is the same idea as a permanent establishment, written for a person instead of an enterprise. If you have one here, the income earned through it is taxable here.
The treaty has to exist first
Treaty benefits are for residents of treaty countries. The IRS says the point of these agreements is that "residents (not necessarily citizens) of foreign countries are taxed at a reduced rate, or are exempt from U.S. taxes on certain items of income they receive from sources within the United States."
If the United States has no income tax treaty with the country you live in, there is no business profits article, so there is no permanent establishment test for you. Your U.S. tax is then decided by U.S. domestic rules instead, which ask whether you are engaged in a U.S. trade or business and whether your income is effectively connected to it. Those are separate pages in this guide. Do not borrow the permanent establishment test from a treaty that does not cover you.
Every treaty is its own document
The IRS publishes each treaty separately, country by country. The definition above is the general shape, but the exact words that bind you are the words in your country's treaty, not the words in someone else's. Before you rely on any of this, open the treaty for the country you actually live in and read its permanent establishment article. The IRS page linked at the bottom of this page lists all of them.
Claiming it is a filing step, not a silence
If a treaty removes or reduces your U.S. tax, you have to say so. Publication 901 is direct about this: "If you take the position that any U.S. tax is overruled or otherwise reduced by a U.S. treaty (a treaty-based position), you must generally disclose that position on Form 8833 and attach it to your return."
Skipping the form has a price. Internal Revenue Code section 6712 sets the penalty at $1,000 for each failure, or $10,000 for each failure by a C corporation. The IRS may waive it if you show the failure had reasonable cause and you acted in good faith.
Two things follow from that sentence. First, the treaty does not delete your return. It changes what your return says. Second, the exemption is something you claim, in writing, on a form, every year you rely on it.
🇺🇸 If the IRS counts you as a U.S. person
This term does not decide your U.S. tax bill. The United States taxes a U.S. person on income earned anywhere in the world. Whether you have a permanent establishment somewhere changes nothing about that.
So when you read that "there is no permanent establishment, therefore no tax," understand that the sentence was written for somebody else. It was written for a resident of a treaty country asking whether the United States may reach their profits. You are not asking that question. The United States already reaches your profits.
Where the term can still touch you is in the other direction. A treaty is an agreement between two countries, and the business profits article is written to work both ways. If your U.S. company opens an office or puts staff in another country, that country's ability to tax the profits earned there is decided by the same article, applied by them. That is a question about foreign tax, not U.S. tax, and this page does not answer it. Read the treaty for the country you are expanding into, and take advice there.
🌏 If it does not
If you are not a U.S. person and you live in a treaty country, this is the test that decides whether the United States taxes your business profits.
Start with the definition and check it against the facts of your own business. The question is whether you carry on your business through a fixed place of business in the United States: a place of management, a branch, an office, a factory, a warehouse, or something like them.
Note what is not on that list. Your customers are not on it. A payment processor is not on it. A cloud server is not on it. Selling from abroad to buyers in the United States does not, by itself, put a place of business here.
Note also what the test is not about. It is not about your passport, and it is not about where your company is registered. Owning a U.S. LLC does not answer this question, because the question asks where the business is carried on, not which state issued the certificate. If you are unsure whether a specific arrangement creates a fixed place of business, that is exactly the point at which the facts matter and you should pay someone to look at them.
Three practical consequences:
- The moment you take a real office or hire staff who work from a fixed place here, the answer can change. It can change without you filing anything or intending anything.
- Even then, only the profits attributable to that place are taxable here. The rest of your business is not swept in.
- You still have to file, and you have to attach Form 8833 to disclose the treaty position you are taking.
Where the two lanes split
| 🇺🇸 U.S. person | 🌏 Not a U.S. person (resident of a treaty country) | |
|---|---|---|
| Does a permanent establishment decide whether the U.S. taxes your business profits? | No | Yes. It is the whole test |
| What the U.S. taxes | Income earned anywhere in the world | Business profits only if they belong to a U.S. permanent establishment |
| If you have no fixed place of business in the U.S. | Still taxed on everything | Business profits exempt under the treaty |
| If you open a U.S. office | Changes nothing about whether you are taxed | The exemption ends for the profits attributable to that office |
| If your country has no U.S. tax treaty | Not relevant to you | No permanent establishment test at all. U.S. domestic rules decide |
| Form 8833 | You do not use it to claim this | Required to disclose the treaty position |
Common mistakes
🇺🇸 If the IRS counts you as a U.S. person
- Reading "no permanent establishment, no tax" on a blog and applying it to yourself. That sentence was written for residents of treaty countries. The United States taxes you on your worldwide income either way.
- Assuming that because a treaty exists, it protects you from your own government. The business profits article limits what the other country may tax, and what the United States may tax when it is the other country to somebody else.
🌏 If it does not
- Reading a different country's treaty. The article that binds you is in the treaty with the country you live in. Open that one.
- Claiming the exemption on your return and never filing Form 8833. Under Internal Revenue Code section 6712 the penalty is $1,000 for each failure, or $10,000 for each failure by a C corporation.
- Believing that the treaty removes the filing obligation. It does not. Publication 901 tells you to attach the disclosure to your return, which means there is a return.
- Assuming the treaty settles your state taxes too. A tax treaty is an agreement between two national governments about national tax. Whether a state follows it is a question of that state's own law, so check the state separately.
FAQ
What is a permanent establishment, in one sentence?
It is a fixed place of business in a country through which an enterprise carries on its business. Publication 901 gives the examples: a place of management, a branch, an office, a factory, a warehouse, or a mining site.
I sell to U.S. customers from abroad. Do I have a permanent establishment?
Having customers in the United States is not on the list of things that make a permanent establishment. The definition asks about a fixed place of business here through which you carry on the business. Where your buyers live is a different fact. If you have no place of business in the United States, look at your treaty's article and check the exact wording before you conclude anything.
I own a U.S. LLC. Does the LLC itself count as a permanent establishment?
Registering a company is not the same question. The treaty asks where the business is carried on through a fixed place of business. Your certificate of formation does not answer it. This is a fact question about offices, staff and where the business is actually run, and it is worth paying a professional to look at your specific setup.
My country has no tax treaty with the United States. Does this help me?
No. The permanent establishment test lives inside a treaty. With no treaty, there is no business profits article to exempt you, and U.S. domestic rules decide instead. See the pages on U.S. trade or business and effectively connected income.
Does having a permanent establishment mean the U.S. taxes everything I earn?
No. The United States taxes the profits attributable to that permanent establishment. Your other profits, earned elsewhere and not belonging to it, stay outside the U.S. net under the treaty.
What is a "fixed base"?
It is the same idea, applied to a person selling their own services rather than to a company. Publication 901 says an independent contractor's income is generally exempt if they do not have a fixed base regularly available to them in the United States for performing those services.
Do I still have to file a U.S. return if the treaty exempts my profits?
Yes. Publication 901 says you disclose the treaty-based position on Form 8833 and attach it to your return. The treaty changes what the return reports. It does not remove the return.
Where do I find the treaty that applies to me?
The IRS publishes them country by country on its tax treaty page, which is linked at the bottom of this page. Find your country of residence, open its treaty, and read the permanent establishment article and the business profits article.