Undocumented Immigrants & Taxes: How ITIN Filing Affects Your Future
Overview: Millions of undocumented immigrants work and pay taxes in the U.S., despite lacking work authorization. Understanding the Individual Taxpayer Identification Number (ITIN) system, its limitations, and its impact on future immigration cases is essential for informed planning and compliance.
✅ What is an ITIN and Why Does It Exist?
The IRS created the ITIN in 1996 to allow people who cannot get a Social Security Number (SSN) to file federal taxes. An ITIN is a 9-digit number that starts with “9” and is used only for tax processing. Unlike an SSN, it does not grant work authorization or eligibility for Social Security benefits. Still, filing taxes with an ITIN is required if you earn income in the U.S., regardless of immigration status.
📌 How to Apply for an ITIN
Getting an ITIN requires:
- Completing Form W-7
- Attaching a valid U.S. federal tax return
- Providing proof of identity and foreign status, such as an unexpired passport
You can apply by mail, through an IRS Taxpayer Assistance Center (TAC), or via a Certifying Acceptance Agent (CAA) who can authenticate documents and submit your application for a fee.
🔒 Confidentiality and IRS Data Sharing
Federal law (IRC §6103) protects your tax information. The IRS does not share ITIN data with immigration enforcement agencies like ICE. This confidentiality is critical to encourage voluntary compliance. Without this firewall, billions in tax revenue would likely be lost each year.
💰 Tax Credits: What’s Allowed and What’s Not
While you must file taxes, your eligibility for credits is limited:
- Earned Income Tax Credit (EITC): Completely unavailable for ITIN filers. Both the taxpayer and qualifying children must have work-authorized SSNs.
- Child Tax Credit (CTC): An ITIN holder can claim it only for children with valid SSNs.
- Credit for Other Dependents (ODC): $500 non-refundable credit available for dependents with ITINs or who are ineligible for the CTC.
- Education Credits: The American Opportunity Tax Credit (AOTC) and Lifetime Learning Credit (LLC) can be claimed with an ITIN under current law, but some proposals aim to add an SSN requirement.
📚 Good Moral Character (GMC) and Immigration
Tax compliance can be a decisive factor when applying for immigration benefits. U.S. Citizenship and Immigration Services (USCIS) considers paying taxes as strong evidence of “good moral character” (GMC). This can make a big difference for naturalization, waivers like the I-601A, or other discretionary benefits.
Conversely, failure to file when required can be seen as an “unlawful act” that hurts your case. Filing back taxes and entering into a payment plan with the IRS can help rehabilitate your record.
📊 Real Example: I-601A Waiver Case
For an I-601A waiver, which forgives unlawful presence bars, your tax returns can prove financial hardship. Showing that your family depends on your income helps meet the “extreme hardship” standard. Many immigration attorneys advise clients to keep clear tax records and fix any back taxes before applying for a waiver or adjustment of status.
⚠️ Employment & Fraud Risks
Since undocumented immigrants cannot get valid SSNs, many resort to fake or borrowed numbers to work. This can cause:
- No credit towards Social Security or Medicare benefits.
- Identity theft problems for the real SSN holder.
- IRS notices and audits when income doesn’t match tax filings.
Employers must verify work authorization, but many rely on fraudulent documents. While employers are supposed to face penalties, the burden often falls on the worker and the identity theft victim.
💡 Audit Red Flags
Common triggers for IRS audits:
- Not reporting all cash income
- Large or unusual deductions
- Cash-heavy businesses (restaurants, construction, salons)
For ITIN filers, it’s better to report cash income accurately. Voluntary compliance can signal good faith, reducing audit risk and helping in immigration cases.
📅 What’s Changing? The Policy Trend
Recent legislative trends, like the One Big Beautiful Bill Act, aim to tighten rules for ITIN filers:
- New SSN requirements for credits like the CTC and education credits
- New taxes on remittances abroad
- Higher fees for immigration benefits
This approach turns the tax code into an enforcement tool, using “financial walls” to discourage undocumented immigrants from staying. Understanding these changes is vital for tax professionals and families alike.
🔗 Useful Resources
👉 Stay informed and protect your future with smart tax compliance.