FICA Withheld on OPT? How to Get It Back

Open your W-2. Look at box 4 and box 6. On OPT, in your first 5 calendar years here, both should be empty.

If there are numbers in them, your employer’s payroll made a mistake and the money is yours to claim. On a $70,000 salary it comes to $5,355 a year. Most people never look.

I worked in the United States for twelve years, which means I have read a great many of my own W-2s. Box 4 is the one that matters here, and it’s the one nobody studies once the pay has already landed.

Start with the four boxes

Everything on this page comes back to these.

Box 4 is Social Security tax withheld, 6.2% of your wages. Box 6 is Medicare, 1.45%. Together that’s 7.65%, and IRS Tax Topic 751 sets both rates. Your employer paid a matching 7.65% on top, which is why payroll departments tend to move quickly once you raise it. Their half comes back too.

Boxes 4 and 6 are the ones that mean money left your pay. Boxes 3 and 5 can carry your full salary quite legitimately. Do you get FICA tax back once it has? Yes, and the rest of this is how.

Why FICA tax shouldn’t be on your W-2 at all

From the IRS page on foreign student liability, last reviewed 18 August 2026:

Foreign students temporarily present in the U.S. in F-1, J-1, or M-1 status for less than 5 calendar years are generally nonresident aliens (NRA) under residency rules of Internal Revenue Code (IRC) 7701(b). These nonresident alien students are exempt from Social Security Tax and Medicare Tax on wages paid to them for services performed within the U.S.

The same page names the qualifying work. On-campus jobs up to 20 hours a week. Off-campus work USCIS allowed. And practical training student employment on or off campus, which is OPT and CPT spelled out.

So why does payroll get it wrong? Because withholding is the default and nobody flips the switch. A company hiring 400 graduates a season doesn’t check visa status per person unless somebody makes it check. By the time you notice, a year has gone through and a FICA tax refund is the only way back.

Count your years before you file anything

The exemption runs for 5 calendar years. Calendar, not academic, and a year counts in full even if you landed in December.

This catches people who did a masters after a gap year, or who transferred schools. Land in August 2022, graduate 2024, work OPT through 2026, and you’re in year five without ever feeling like it. After that the IRS says you become a resident alien if you meet the substantial presence test, and residents owe FICA like anyone else. The substantial presence test calculator counts the days for you.

How to get a FICA tax refund, in three moves

This is how to get a FICA tax refund, and skipping the first step is why claims come back rejected. Form 8316 is blunt about it: you must first try to get a refund of the Social Security taxes from your employer before filing a claim with the Internal Revenue Service.

That form’s full title is worth reading once, because it tells you exactly who it’s for: Information Regarding Request for Refund of Social Security Tax Erroneously Withheld on Wages Received by a Nonresident Alien on an F, J, or M Type Visa. A social security tax refund for nonresident aliens has its own form precisely because the error is common enough to need one. It was last revised in January 2006 and hasn’t needed changing since.

1. Email payroll. Say you were on F-1 OPT for the period, that you’re a nonresident alien under IRC 7701(b), and that practical training is exempt employment on the IRS page above. Ask for a refund and a corrected W-2. Email, not a corridor conversation, because you may need to prove you asked.
2. Wait two weeks, then chase once. Large employers route this to a tax team and it moves. Small ones sometimes go quiet, which is its own answer.
3. File with the IRS. Form 843, Form 8316, a copy of your W-2, your I-20 and EAD, and a statement from the employer covering what they repaid and what credit they claimed. No statement? Write your own and say why theirs is missing. The Form 843 instructions spell out that substitution.

One Form 843 per tax year, so one FICA tax refund claim per year. Tedious, and it means a weak year can’t drag down a strong one. You can get a FICA tax refund for each year separately, which is worth knowing if only one of them is clear cut.

How long does a FICA tax refund take?

You get 3 years from the date you filed the return, or 2 years from the date you paid the tax, whichever is later. That’s from the Form 843 instructions and it’s the reason to do this now rather than after the next semester.

How long a FICA tax refund takes, I don’t know, and I’d rather say that than invent a number. The IRS doesn’t publish a processing time for Form 843. What I can tell you is the shape of it: paper claim, posted to a service centre, read by a person. Where’s My Refund covers income tax returns and won’t show it, so checking FICA tax refund status means phoning. Photograph every page before it goes in the envelope and send it tracked. Employers are faster than the IRS almost every time, which is the real argument for step one.

When you don’t get FICA tax back

You’re past 5 calendar years. Resident aliens owe FICA. Count again if you’re close to the line.

You’re on H-1B. Social security tax refunds for H1B visa holders are a much narrower thing than the OPT version, because H-1B isn’t a student status and IRC 7701(b) doesn’t reach it. FICA on H-1B wages is normally correct. The exception is the changeover: payroll often starts withholding from 1 October while you were still on OPT through 30 September, and those September paycheques stay exempt. Anyone sorting out a 401(k) after the switch or side work on H-1B is reading the same status line from a different angle.

The work wasn’t authorised. Cash jobs outside your visa terms fail Form 8316’s opening question, and that question ends the form.

You’re on F-2 or J-2. The IRS says plainly that the exemption doesn’t extend to spouses and children in dependent status.

One thing to do tonight

Find your W-2. Read box 4 and box 6. That’s the whole diagnostic, it takes a minute, and it tells you whether you get FICA tax back or not.

Crossing into resident status changes more than FICA, by the way. It’s the same line that brings FBAR reporting into range if you still hold accounts in India, and missing that for a year or two is fixable if you catch it early. The same count decides the departure-year return in the checklist for moving home.

Written by Aradhana Sharma. She spent twelve years living and working in the United States and moved back to India in 2019, so she has filed on both sides of this and from both directions. She advises small-scale businesses, has been self-employed for nine years and teaches business and finance on Udemy. She is not a CPA, an enrolled agent or an attorney. Rates and rules here were checked against IRS.gov on 11 September 2026. Where a case turns on your specific facts, this page says so rather than guess. If a figure stops matching its source, the contact page is how it gets fixed, under the editorial policy.