Holding a work permit does not, by itself, make you a resident alien for tax purposes. An Employment Authorization Document gives you permission to work in the United States; it says nothing about how the IRS classifies you at tax time. That determination runs on a separate track, using two specific tests that ignore whether you carry an EAD. Depending on your visa category and how long you’ve been in the country, you could hold a work permit and still be a nonresident alien, or you could be a resident alien well before any green card arrives.
What Actually Decides Your Tax Residency
If you’re not a U.S. citizen, the IRS starts by treating you as a nonresident alien. You become a resident alien only if you meet one of two tests during the calendar year: the green card test or the substantial presence test.1Internal Revenue Service. Determining an Individuals Tax Residency Status Neither one asks about your EAD.
The green card test is the simpler of the two. You pass if you were a lawful permanent resident at any point during the year, meaning you actually held a green card.2Internal Revenue Service. U.S. Tax Residency – Green Card Test An EAD is not a green card, and a pending green card application isn’t either. If you’re working on an EAD while waiting for permanent residence, this test doesn’t apply to you yet.
The substantial presence test is where most EAD holders end up being classified. You pass it if you were physically present in the United States for at least 31 days during the current year and at least 183 days across a three-year window, counted on a weighted formula:3Internal Revenue Service. Substantial Presence Test
- Every day in the current year counts in full.
- Each day in the previous year counts as one-third of a day.
- Each day in the year before that counts as one-sixth of a day.
Someone who has lived in the country for a couple of years almost always meets this threshold. A full 365 days in the current year alone puts you well past 183 before the earlier years even come into play. That is why long-term EAD workers are usually resident aliens for tax purposes, regardless of what their immigration paperwork says about permanent residency.
F-1 Students on OPT: Usually Still Nonresident
The substantial presence test has an important carve-out. Certain visa holders are classified as “exempt individuals,” and their days of physical presence don’t count toward the 183-day calculation. The categories include foreign government personnel on A or G visas, teachers and trainees on J or Q visas, students on F, J, M, or Q visas, and professional athletes temporarily present for a charitable sports event.3Internal Revenue Service. Substantial Presence Test
For F-1 students working on Optional Practical Training with an EAD, this rule usually controls the outcome. Even though you’re employed full-time and physically in the country all year, your days don’t count toward the substantial presence test during your first five calendar years of U.S. presence.4Internal Revenue Service. Publication 519 (2025), U.S. Tax Guide for Aliens You remain a nonresident alien for tax purposes throughout that window and file Form 8843 with your return to document the exemption.
Once the five-year exempt period ends, the picture flips. Your days start counting normally, and you’ll cross into resident-alien status quickly if you stay in the country. That transition brings a different tax return, a different scope of taxable income, and new reporting obligations.
Adjustment of Status EAD Holders: Usually Resident
If you filed Form I-485 to adjust status to permanent residence and received an EAD to work while the application is pending, your situation looks very different. You’ve probably been in the U.S. long enough to pass the substantial presence test on the raw day count, and no exempt-individual category shields you. The IRS treats you as a resident alien even though your green card hasn’t been approved.
There is a “closer connection exception” that normally lets a person who technically passes the substantial presence test remain a nonresident by showing they maintain a tax home in a foreign country and closer ties there than to the United States. To qualify, you must have been present fewer than 183 days in the current year, have maintained a tax home abroad all year, and have not applied for or taken steps toward lawful permanent resident status.5Internal Revenue Service. Closer Connection Exception to the Substantial Presence Test That last requirement rules out most people in this category. Filing an I-485 is itself a step toward permanent residency, so an adjustment-of-status EAD holder cannot claim the exception.
Recent Arrivals on an EAD
An asylum applicant or other recent arrival who just received work authorization is a different case again. If you haven’t been in the country long enough to accumulate the required days, you don’t pass the substantial presence test and you don’t hold a green card. You remain a nonresident alien despite having an EAD and legally earning wages. Your U.S. tax obligation is limited to U.S.-source income; foreign income generally stays out of reach until you cross into resident status.
What Each Classification Means When You File
The classification controls almost everything about your return.
Resident aliens file Form 1040, the same return U.S. citizens use, and report worldwide income.6Internal Revenue Service. Alien Taxation – Certain Essential Concepts That means wages from abroad, interest on overseas bank accounts, rental income from foreign property, and gains in foreign investment accounts all belong on your U.S. return. This is the obligation that catches EAD holders off guard when the substantial presence test converts them to resident aliens without any change in their immigration paperwork.
Nonresident aliens file Form 1040-NR and are taxed only on income from U.S. sources or income effectively connected with a U.S. trade or business.7Internal Revenue Service. About Form 1040-NR, U.S. Nonresident Alien Income Tax Return Income earned outside the country generally falls outside U.S. taxation.
If your status changed mid-year, you file as a dual-status taxpayer. If you were a resident on the last day of the year, Form 1040 is your primary return with “Dual-Status Return” written across the top and a Form 1040-NR attached as a statement for the nonresident portion. If you were a nonresident on the last day of the year, the arrangement reverses.8Internal Revenue Service. Taxation of Dual-Status Individuals Worldwide income is taxable during the resident portion; only U.S.-source income is taxable during the nonresident portion.
Foreign Account Reporting Kicks In With Resident Status
Becoming a resident alien triggers foreign financial account reporting that most EAD holders don’t expect. Two separate requirements apply.
FinCEN Form 114, the FBAR, is required if the combined value of your foreign financial accounts exceeded $10,000 at any point during the year. It goes to the Financial Crimes Enforcement Network, not the IRS.9Internal Revenue Service. Comparison of Form 8938 and FBAR Requirements
Form 8938 is filed with your tax return and has higher thresholds. For an unmarried person living in the U.S., filing is required when foreign financial assets exceed $50,000 on the last day of the year or $75,000 at any point during the year. Those doubles to $100,000 and $150,000 for married couples filing jointly, and the thresholds are substantially higher for filers living abroad.9Internal Revenue Service. Comparison of Form 8938 and FBAR Requirements
Neither requirement applies to nonresident aliens. So the same tax-residency question controls whether accounts you’ve held in your home country for years suddenly need to be reported.
FICA Is Tied to Nonresident Status, Not the EAD
Social Security and Medicare taxes are normally withheld from every paycheck. Nonresident aliens on F, J, and M visas whose employment is authorized by USCIS and tied to the purpose of their visa are exempt from FICA on that work.10Internal Revenue Service. Alien Liability for Social Security and Medicare Taxes of Foreign Teachers, Foreign Researchers and Other Foreign Professionals An F-1 student working on OPT with an EAD, still a nonresident for tax purposes, should not have FICA withheld.
The exemption ends when you become a resident alien. For F-1 students, that typically happens after the five-year exempt period, when substantial presence starts running. From that point, FICA applies like it does for everyone else.
If an employer withholds FICA in error, ask them for a refund first. If the employer won’t correct it, you can file Form 843 and Form 8316 directly with the IRS.10Internal Revenue Service. Alien Liability for Social Security and Medicare Taxes of Foreign Teachers, Foreign Researchers and Other Foreign Professionals The window for reclaiming withheld FICA is limited, so don’t sit on it.
Filing Under the Wrong Status
Getting the classification wrong is not a harmless paperwork error.
Filing as a nonresident when you actually qualify as a resident usually means you left foreign income off the return. The IRS can assess an accuracy-related penalty of 20% on the underpaid tax, with interest running from the original due date.11Internal Revenue Service. Accuracy-Related Penalty If you had reportable foreign accounts, you also missed FBAR and Form 8938 deadlines, each carrying its own penalties.
The immigration consequences can matter more than the tax bill. USCIS reviews tax returns during naturalization, and Form N-400 asks whether you have ever claimed to be a nonresident on a U.S. tax return. An incorrect nonresident filing can invite scrutiny or a denial. For green card holders, filings that suggest you weren’t residing in the U.S. can be used as evidence of abandonment of permanent resident status.
Filing as a resident when you’re actually a nonresident is the milder mistake but still costly. You may have paid tax on income that wasn’t taxable, missed treaty benefits, or lost FICA withholding you were entitled to reclaim. Amending returns takes time, and the FICA refund window is short.
EAD holders can apply for a Social Security number, since work authorization qualifies you for one.12Social Security Administration. Social Security Numbers for Noncitizens If you need to file but aren’t authorized to work, you apply for an Individual Taxpayer Identification Number using Form W-7. Either way, sorting out your correct tax status before you file, rather than after, keeps you out of both the IRS and USCIS problems that come with picking the wrong return.