If you are a non-U.S. creator, freelancer, investor, spouse, dependent, or other individual dealing with U.S. tax forms, you may wonder whether you need an ITIN.
An ITIN, or Individual Taxpayer Identification Number, is an individual tax processing number issued by the IRS. It is for certain people who are not eligible for a Social Security number but need a U.S. taxpayer identification number for federal tax purposes.
An ITIN is not a business number. It is not an EIN. If your problem is that you personally need to file a U.S. tax return or claim a refund of U.S. tax withheld, do not apply for an EIN just because you need a U.S. tax number. An EIN is for a business or entity setup, not an individual refund or individual return.
An ITIN also does not create work authorization, immigration status, Social Security benefits, or permission to operate a business in the United States.
The practical question is simple:
Do you, as an individual, need a U.S. taxpayer identification number for a valid federal tax purpose?
For non-U.S. creators, that question often comes up when a platform withholds U.S. tax, issues a Form 1042-S, asks for tax documentation, or when the creator may need to file a U.S. return or claim a refund.
For business setup context, see our Business Setup and Tax Basics hub, Do I Need an EIN for My Side Business?, Do I Need an LLC for My Side Business?, and U.S. Tax Setup for Non-U.S. Creators.
Quick answer
You may need an ITIN if you are not eligible for an SSN and you need a U.S. taxpayer identification number for a federal tax purpose, such as filing a U.S. tax return, claiming a refund, or claiming certain treaty benefits.
You should not apply for an ITIN casually. The IRS says an ITIN is issued for federal tax purposes only and is not issued solely for opening bank accounts, e-commerce, or starting a business.
If you are an individual trying to file a U.S. return or claim a refund, the question is usually ITIN vs SSN, not ITIN vs EIN. An EIN generally becomes relevant only when a business, entity, U.S. LLC, bank, platform, or business filing process needs a business tax ID.
| Question | Usually points toward |
|---|---|
| Are you an individual who needs a U.S. taxpayer ID for a tax return or refund claim? | ITIN |
| Are you forming a U.S. LLC or business entity? | EIN may be relevant for the entity |
| Are you a foreign individual completing Form W-8BEN? | Usually no ITIN unless a treaty claim, return, refund, or platform process requires it |
| Are you a foreign entity completing Form W-8BEN-E? | EIN may be relevant depending on the setup |
| Did U.S. tax get withheld and you may need a refund? | ITIN may be needed for an individual refund claim |
| Are you opening a business bank account for a U.S. LLC? | EIN may be relevant for the LLC or business account |
| Are you not eligible for an SSN but need a U.S. taxpayer ID for federal tax purposes? | ITIN |
What is an ITIN?
ITIN stands for Individual Taxpayer Identification Number.
The IRS Topic No. 857 says an ITIN is a tax processing number for certain resident and nonresident aliens, their spouses, and dependents who are not eligible for a Social Security number.
The IRS Form W-7 page says Form W-7 is used to apply for or renew an ITIN.
ITIN vs EIN vs SSN
These numbers are easy to mix up, but they serve different purposes.
| Identifier | What it generally identifies |
|---|---|
| SSN | An individual who is eligible for a Social Security number |
| ITIN | An individual who is not eligible for an SSN but needs a U.S. taxpayer ID for federal tax purposes |
| EIN | A business, entity, estate, trust, or certain other tax-reporting arrangement |
The IRS Taxpayer Identification Numbers page explains that TINs are used in tax administration. It describes EINs as federal tax identification numbers used to identify business entities, while ITINs are tax processing numbers for certain individuals who cannot get an SSN.
Core distinction
An EIN generally identifies a business or entity. An ITIN is an individual tax processing number for certain people who are not eligible for a Social Security number but need a U.S. taxpayer identification number for federal tax purposes.
Do not use an EIN as a substitute for an ITIN. If the IRS, a tax return, or a refund claim needs your individual taxpayer identification number and you are not eligible for an SSN, an EIN for a business will not solve that individual tax ID problem.
Who may need an ITIN?
The IRS gives several examples of people who may need an ITIN, including a nonresident alien who must file a U.S. tax return or who files a U.S. tax return to claim a refund.
An ITIN may be relevant if you are not eligible for an SSN and you are:
- Required to file a U.S. federal tax return
- Filing a U.S. return to claim a refund
- Claiming certain treaty benefits
- A resident alien filing a U.S. tax return
- A nonresident alien student, professor, or researcher filing a U.S. tax return
- A spouse or dependent listed on a U.S. return where an allowable tax benefit applies
This article focuses mainly on non-U.S. creators and refund/tax-form situations, but the ITIN rules are broader than creator income.
Why a non-U.S. creator might need an ITIN
A non-U.S. creator should not assume they need an ITIN just because they use a U.S. platform.
But an ITIN may become relevant if:
- A platform withheld U.S. tax and the creator may need to claim a refund
- The creator needs to file Form 1040-NR as an individual
- The creator needs an individual taxpayer identification number for a treaty or withholding claim
- A valid federal tax process requires an individual U.S. taxpayer identification number
- The creator received a Form 1042-S and needs to file or claim a refund
The IRS NRA withholding page explains that NRA withholding generally refers to a withholding regime for certain U.S.-source income paid to foreign persons, often involving Form 1042 and Form 1042-S.
Why platform withholding can create ITIN questions
Many non-U.S. creators first hear about ITINs after a platform withholds U.S. tax.
If a platform withholds tax and issues Form 1042-S, the creator may need to review whether the withholding was correct. If too much U.S. tax was withheld, a refund claim may be possible, but the individual may need an ITIN to file the required return or claim.
That is an individual tax issue. Forming a business or applying for an EIN after the fact usually does not replace the need for an individual taxpayer identification number on an individual return or refund claim.
That does not mean every withheld amount is refundable. The result depends on income type, source rules, treaty position, documentation, and whether the income was subject to U.S. tax or withholding.
When a non-U.S. creator might need an EIN instead
An EIN is different. It is generally a business or entity tax identification number.
A non-U.S. creator may need an EIN if they form a U.S. LLC, operate through a business entity, need a business tax ID for a platform or payment processor, need an EIN for foreign-owned U.S. LLC reporting, or open a business bank account where an EIN is required. Those are business or entity reasons.
If the creator is simply an individual trying to file a U.S. return, claim a refund, or provide an individual taxpayer identification number, the EIN article is not the starting point.
For that separate issue, read Do I Need an EIN for My Side Business?.
When a creator might need both an ITIN and an EIN
Some non-U.S. creators may need both numbers, but many do not.
For example, a foreign individual may have a U.S. LLC that needs an EIN for entity reporting or platform setup. Separately, that same individual may need an ITIN if they must file a U.S. individual tax return or claim a refund of U.S. tax withheld.
The important point is that the numbers identify different taxpayers or reporting roles. The EIN is not a substitute for an individual ITIN, and an ITIN is not a business EIN. Do not apply for both unless there is a real reason for each one.
Form W-7 | How ITIN applications work
To apply for an ITIN, individuals generally use Form W-7.
The IRS says Form W-7 is used to apply for a new ITIN or renew an existing ITIN. The Instructions for Form W-7 explain that individuals applying for an ITIN generally must include a U.S. federal tax return unless they meet an exception, along with required documentation.
Applicants generally must provide documentation that proves identity and foreign status. The IRS says original documents or certified copies from the issuing agency may be required; ordinary notarized copies are not the same as certified copies for this purpose.
Ways to apply for an ITIN
The IRS describes several ways to apply or renew:
- Mail Form W-7, required documents, and the required tax return or exception documentation
- Apply through an IRS Taxpayer Assistance Center by appointment
- Use an IRS-authorized Certified Acceptance Agent
For many people outside the United States, using a Certified Acceptance Agent may be worth reviewing because mailing original identity documents can be stressful. Fees, availability, and quality can vary, so choose carefully.
When an ITIN may not be needed
A non-U.S. creator should not apply for an ITIN just because they started an online account or received income from a platform.
An ITIN may not be needed if:
- The creator is not required to file a U.S. individual tax return
- No refund claim is being made
- No treaty or withholding process requires an individual U.S. taxpayer identification number
- The creator is operating through an entity that needs an EIN instead
- The platform only needs a completed W-8BEN and does not require an ITIN for the claim being made
The right answer depends on the facts, platform rules, income type, treaty position, and filing requirements.
ITINs and tax treaties
Tax treaties can reduce withholding for some income types, but treaty benefits are not automatic.
The IRS TIN page says a TIN must be on a withholding certificate when the beneficial owner claims certain treaty benefits, with exceptions depending on the income and rules. That is one reason an ITIN may matter for some foreign individuals making treaty claims.
Do not assume every treaty claim requires an ITIN, and do not assume every income type qualifies for treaty relief. Review the form instructions and consider qualified advice when the amounts are meaningful.
ITINs do not create work authorization or immigration status
This is important.
The IRS says an ITIN is issued for federal tax purposes only. It does not entitle a person to Social Security benefits, does not make the person eligible for the earned income credit, and creates no inference about immigration status or the right to work in the United States.
Common mistakes
- Thinking an ITIN is a business number.
- Thinking an EIN and ITIN are interchangeable.
- Applying for an EIN when the real issue is an individual return or refund claim.
- Applying for an ITIN without a federal tax purpose.
- Assuming every non-U.S. creator needs an ITIN.
- Assuming a U.S. platform automatically creates U.S.-source income.
- Ignoring a Form 1042-S when tax was withheld.
- Waiting too long to review whether withheld tax may be refundable.
- Mailing identity documents without understanding certified-copy and acceptance-agent options.
- Assuming an ITIN gives work authorization or immigration status.
Practical examples
Example 1 | Creator outside the U.S. completes Form W-8BEN
A creator outside the United States completes Form W-8BEN for a platform. The creator may not need an ITIN merely to complete basic foreign-status documentation, unless a treaty claim, refund claim, return filing, or platform process requires an individual taxpayer identification number.
Example 2 | Platform withheld U.S. tax
A platform withheld U.S. tax and issued Form 1042-S. The creator believes too much tax was withheld. The creator may need to file a U.S. nonresident return or refund claim, and an ITIN may be needed if the creator is not eligible for an SSN. Getting an EIN for a business would not replace the individual taxpayer ID needed for that individual refund claim.
Example 3 | Creator forms a U.S. LLC
A non-U.S. creator forms a U.S. LLC for platform access or payment processing. The LLC may need an EIN. That is separate from whether the individual owner needs an ITIN for an individual tax return or refund claim.
Example 4 | No U.S. return or refund claim
A creator outside the United States submits the proper platform tax form, has no U.S. tax withheld, and does not need to file a U.S. individual return. An ITIN may not be needed at that stage.
Bottom line
An ITIN is an individual tax processing number. It is not a business number, not an EIN, and not permission to work in the United States.
A non-U.S. creator may need an ITIN if they must file a U.S. tax return as an individual, claim a refund of U.S. tax withheld, claim certain treaty benefits, or provide an individual taxpayer identification number for a valid federal tax purpose.
A non-U.S. creator may need an EIN instead if the issue is a business or entity setup, such as a U.S. LLC, business bank account, platform onboarding, payment processor setup, or entity reporting.
If your issue is an individual return or refund claim, do not assume you need an EIN. Start by asking whether you need an SSN or ITIN for the individual tax filing.
Some people may need both. Some may need neither. The right answer depends on the person, structure, income type, withholding, treaty position, platform requirements, and whether a U.S. filing or refund claim is needed.
FAQ
What is an ITIN?
An ITIN is an Individual Taxpayer Identification Number. It is an individual tax processing number issued by the IRS for certain people who are not eligible for an SSN but need a U.S. taxpayer identification number for federal tax purposes.
Is an ITIN the same as an EIN?
No. An ITIN is for an individual. An EIN generally identifies a business, entity, estate, trust, or certain other tax-reporting arrangement. Do not apply for an EIN when the real issue is an individual U.S. tax return, individual refund claim, or individual taxpayer identification requirement.
Is an ITIN the same as an SSN?
No. An SSN is issued by the Social Security Administration to eligible individuals. An ITIN is issued by the IRS for certain individuals who are not eligible for an SSN but need a U.S. taxpayer identification number for federal tax purposes.
Who needs an ITIN?
A person may need an ITIN if they are not eligible for an SSN and need a U.S. taxpayer identification number for a federal tax purpose, such as filing a U.S. tax return, claiming a refund, or claiming certain treaty benefits.
Does every non-U.S. creator need an ITIN?
No. A non-U.S. creator should not apply for an ITIN casually. An ITIN may be needed if the creator has a valid federal tax purpose, such as filing a U.S. individual return, claiming a refund of U.S. tax withheld, or making certain treaty or withholding claims.
Can an ITIN help claim a refund of U.S. tax withheld?
Possibly. If too much U.S. tax was withheld, a non-U.S. individual may need to file a U.S. return or refund claim, and an ITIN may be needed if the person is not eligible for an SSN. An EIN for a business is not a substitute for an individual taxpayer identification number on an individual refund claim.
What is Form W-7?
Form W-7 is the IRS form used to apply for or renew an ITIN.
Do I need to send a tax return with Form W-7?
Often yes. IRS instructions say individuals applying for an ITIN generally must include a U.S. federal tax return unless they meet an exception, along with required documentation.
Can I use an ITIN to work in the United States?
No. The IRS says an ITIN is issued for federal tax purposes only and does not create work authorization or immigration status.
Can I use an ITIN to start a business?
An ITIN is not a business number and is not issued solely for starting a business. A business or entity may need an EIN instead, depending on the setup.
Can a non-U.S. creator need both an ITIN and an EIN?
Yes, in some cases, but many creators do not need both. A U.S. LLC or business setup may need an EIN, while the individual owner may need an ITIN for a separate individual tax return, refund claim, or treaty-related tax purpose. Each number should have its own reason.
Does getting an ITIN mean I owe U.S. tax?
No. Getting an ITIN does not automatically mean you owe U.S. tax. It means the IRS issued an individual taxpayer identification number for federal tax administration. Actual tax depends on income, source rules, residency, treaties, withholding, and filing facts.
Does a U.S. platform automatically mean I need an ITIN?
No. A U.S. platform does not automatically mean a non-U.S. creator needs an ITIN. The answer depends on the income type, withholding, treaty claim, return filing, refund claim, and platform documentation requirements.
What records should I keep if U.S. tax was withheld?
Keep Form 1042-S, payout statements, platform tax forms, withholding records, contracts, records showing where services were performed, treaty documentation, and any correspondence with the platform or tax adviser.
Official sources
- IRS Topic No. 857 | Individual Taxpayer Identification Number
- IRS | About Form W-7
- IRS | Instructions for Form W-7
- IRS | Taxpayer Identification Numbers
- IRS | Employer Identification Number
- IRS | NRA Withholding
- IRS | About Form 1042-S
- IRS | About Form 1040-NR
Disclaimer
This article is for general informational purposes only and is not tax, legal, accounting, immigration, withholding, refund, treaty, platform onboarding, or professional advice. ITIN, EIN, refund, treaty, withholding, and U.S. filing requirements depend on citizenship, tax residency, income type, source-of-income rules, withholding documents, treaty position, entity structure, platform requirements, and other facts. Review official IRS guidance and consider speaking with a qualified tax professional before applying for an ITIN, filing a U.S. return, or claiming a refund.