Guide · Money, Taxes & Banking
How to Get an ITIN Number
An ITIN isn't a Social Security number — but it lets you file taxes, open accounts, and build a paper trail with the IRS. Here's exactly how the process works.
If you have income to report to the IRS but don't qualify for a Social Security number, you likely need an Individual Taxpayer Identification Number, or ITIN. It's a nine-digit number, formatted like an SSN, used only for federal tax purposes — it doesn't authorize you to work in the US, doesn't grant any immigration status, and doesn't make you eligible for Social Security benefits. What it does is let you file a tax return, claim the dependents you're eligible for, and start building a documented financial history in your name.
🪪 What an ITIN is, and who needs one
The IRS issues ITINs to people who have a US tax filing or reporting requirement but aren't eligible for an SSN. That includes many immigrants working as contractors or business owners, and the spouses and dependents of US citizens or resident taxpayers who need to be listed on a return. If you're not sure whether you need one, the test is simple: do you have to file or be listed on a US tax return, and do you not qualify for an SSN? If yes to both, you need an ITIN.
📝 Form W-7 and the documents you'll need
You apply using Form W-7, which is free to file. In most cases you attach it to the federal tax return you're filing that year — there are a handful of exceptions where you don't need to attach a return. You must prove both your identity and your foreign status. A current passport alone covers both and is the simplest route; without one, you'll need to combine two other documents from the IRS's approved list, such as a national identification card or birth certificate.
🏢 Certifying Acceptance Agent vs. mailing the IRS
You have three ways to submit: mail original or certified copies of your documents to the IRS ITIN Operation in Austin, Texas; go in person to an IRS Taxpayer Assistance Center by appointment; or use a Certifying Acceptance Agent (CAA) — an IRS-authorized preparer who can verify your original passport in person, so you never have to mail it away. CAAs typically charge a fee; mailing or the IRS office is free. Processing takes about seven weeks generally, nine to eleven weeks during tax season (mid-January through April) or if you're applying from abroad. Once issued, your ITIN expires if it goes unused on a federal return for three straight years — renewing uses the same W-7 process, at no cost.
Do this first: decide whether you'll mail your documents, visit an IRS Taxpayer Assistance Center, or use a Certifying Acceptance Agent — search "Certifying Acceptance Agent" near you on the IRS's own directory at irs.gov before paying anyone for the service.
Official source: IRS.gov, "How to apply for an ITIN" and the ITIN Acceptance Agent Program page.
Sources
1. Internal Revenue Service, "How to apply for an ITIN," irs.gov, accessed August 2026. 2. Internal Revenue Service, "ITIN Acceptance Agent Program," irs.gov, accessed August 2026.
Criollo News guides are practical explainers, not tax or legal advice — every case is different, and rules change. Confirm your situation with the IRS, a certified tax preparer (like NYC Free Tax Prep), or an accountant.