If you are not eligible for a Social Security Number (SSN) but must file U.S. taxes, you need an Individual Taxpayer Identification Number (ITIN).

An ITIN allows foreign individuals, non‑resident taxpayers, dependents, and international business owners to legally file U.S. tax returns and comply with IRS tax regulations.

This guide explains everything you need to know about ITIN application and ITIN renewal, including:

• Who needs an ITIN
• How to apply using IRS Form W‑7
• Required documents
• When ITINs expire
• How to renew an expired ITIN
• Processing times and common mistakes

This page is written for non‑resident aliens, international students, foreign investors, dependents, and global entrepreneurs doing business in the United States.

What is an ITIN?

An Individual Taxpayer Identification Number (ITIN) is a tax processing number issued by the Internal Revenue Service (IRS).

It is used by individuals who must file U.S. taxes but do not qualify for a Social Security Number (SSN).

An ITIN is a 9‑digit number that always begins with the number 9 and follows the format:

9XX‑XX‑XXXX

ITINs are strictly used for tax reporting purposes and do not provide immigration benefits or work authorization.

Key Facts About ITIN

• Issued by the IRS
• Used for federal tax reporting
• Does not provide legal immigration status
• Cannot be used for employment authorization
• Required for certain dependents and spouses

Who Needs an ITIN?

You may need an ITIN if you are required to file a U.S. tax return but are not eligible for a Social Security Number.

Common individuals who apply for ITINs include:

Non‑Resident Aliens Filing U.S. Taxes

Foreign nationals who earn income from U.S. sources must report that income to the IRS.

Examples include:

• Foreign freelancers working with U.S. companies
• Foreign property owners earning rental income
• International investors receiving dividends

Resident Aliens (Substantial Presence Test)

Individuals who spend significant time in the U.S. may qualify as resident aliens for tax purposes and must file taxes.

Spouses of U.S. Citizens or Resident Aliens

Foreign spouses listed on a joint tax return may require an ITIN.

Dependents of Visa Holders

Dependents of visa holders such as H‑1B, L‑1, J‑1, and F‑1 may require ITINs.

Foreign Business Owners

International entrepreneurs who own U.S. LLCs or corporations often require an ITIN for tax filings.

Benefits of Having an ITIN

Obtaining an ITIN provides several financial and compliance benefits.

File U.S. Tax Returns

An ITIN allows you to legally report income to the IRS.

Claim Tax Treaty Benefits

Many countries have tax treaties with the United States that reduce taxes on certain income.

Open Financial Accounts

Some banks allow account opening with an ITIN.

Claim Certain Tax Credits

Certain dependents may qualify for tax credits when filing with an ITIN.

Meet IRS Compliance Requirements

Foreign investors and entrepreneurs must report income to the IRS.

How to Apply for an ITIN (Step‑by‑Step Guide)

Applying for an ITIN requires completing IRS Form W‑7 and submitting supporting documents.

Step 1: Complete IRS Form W‑7

Form W‑7 is the official ITIN application form.

The form requires:

• Personal identification information
• Foreign address
• Reason for applying
• Signature and supporting documentation

Applicants must select the correct application category, such as:

• Non‑resident alien filing a tax return
• Spouse of U.S. citizen
• Dependent of visa holder

Step 2: Attach Your Federal Tax Return

In most cases, your ITIN application must be submitted together with your federal tax return.

However, certain exceptions exist for:

• International students
• Scholars and researchers
• Tax treaty claimants

Step 3: Provide Identity Documents

Applicants must provide documentation proving identity and foreign status.

The most common document used is a passport.

A passport alone typically satisfies both requirements.

Step 4: Submit Your Application

You can submit your ITIN application through one of the following methods:

Mail Application to IRS

Send the completed Form W‑7, tax return, and identification documents to the IRS ITIN operations center.

IRS Certified Acceptance Agent (CAA)

Certified Acceptance Agents can verify your documents and submit applications on your behalf.

IRS Taxpayer Assistance Center

Some IRS offices provide in‑person ITIN application verification.

Documents Required for ITIN Application

The IRS accepts 13 identification documents.

The most commonly used documents include:

• Passport
• National ID card
• U.S. visa
• Foreign driver’s license
• Birth certificate (for dependents)

Important Document Rule

A passport alone satisfies both identity and foreign status requirements.

If a passport is not used, two documents may be required.

ITIN Renewal: When Do ITINs Expire?

An ITIN expires if:

• It is not used on a federal tax return for three consecutive years, or
• The IRS announces expiration for certain number ranges.

Using an expired ITIN may cause:

• Tax refund delays
• Rejected tax returns
• IRS processing issues

Renewing your ITIN before filing taxes prevents these problems.

How to Renew an ITIN (Step‑by‑Step)

Renewing an ITIN also requires Form W‑7, but you must select the renewal option.

Step 1: Complete Form W‑7

Select the “Renew an Existing ITIN” option.

Step 2: Submit Identification Documents

Provide original or certified copies of identity documents.

Step 3: Submit the Renewal Application

Send the application to the IRS or submit through a Certified Acceptance Agent.

Unlike new applications, a tax return may not always be required for renewal.

How Long Does ITIN Processing Take?

Typical processing times include:

• 7 weeks for most applications
• 9–11 weeks during tax season
• Longer for international mail submissions

Submitting a complete and accurate application helps prevent delays.

Common ITIN Application Mistakes

Many ITIN applications are rejected due to avoidable errors.

Missing Signatures

Unsigned Form W‑7 applications are automatically rejected.

Incorrect Documentation

Submitting expired or incorrect documents causes delays.

Not Attaching Tax Return

Most applications require a federal tax return.

Incorrect Application Category

Choosing the wrong reason for applying can lead to rejection.

Working with experienced tax professionals can reduce these risks.

ITIN for Foreign Business Owners

Many international entrepreneurs open U.S. LLCs or e‑commerce businesses.

An ITIN may be required to:

• File U.S. business tax returns
• Report income to the IRS
• Open business bank accounts
• Meet federal reporting requirements

ITINs are commonly required for:

• Amazon sellers
• Shopify store owners
• International freelancers
• Real estate investors

How Taxvisor Helps with ITIN Applications

Applying for an ITIN can be confusing, especially for non‑U.S. residents unfamiliar with IRS procedures.

Taxvisor provides professional assistance with:

• ITIN applications
• ITIN renewals
• IRS Form W‑7 preparation
• Document verification
• Non‑resident tax filing

Our tax experts help ensure your ITIN application is submitted correctly the first time, reducing the risk of IRS rejection or delays.

ITIN Application & Renewal – Frequently Asked Questions (FAQs)

Can I apply for an ITIN without filing a tax return?

In most cases, a federal tax return must be attached unless you qualify for an IRS exception.

Can an ITIN be used for employment?

No. An ITIN is only used for tax reporting and does not authorize employment.

Can dependents get an ITIN?

Yes. Dependents listed on a tax return may qualify for ITINs.

How do I check my ITIN status?

You can contact the IRS ITIN operations center to check your application status.

How long does ITIN renewal take?

ITIN renewals typically take 7–11 weeks depending on IRS processing times.

Get Professional Help with ITIN Application or Renewal

If you need assistance applying for or renewing an ITIN, working with experienced tax professionals can simplify the process.

Taxvisor provides secure ITIN application and renewal services for individuals, families, and international businesses.

Our experts ensure your IRS forms and documents are accurate, compliant, and submitted correctly.

Contact Taxvisor today to start your ITIN application or renewal process.

Updated for 2026 IRS tax regulations