US — F-1 / J-1 / OPT
FICA refund estimator (Form 843 / 8316)
Employers sometimes withhold Social Security and Medicare tax from F-1/J-1 workers who are actually exempt. Answer a few questions to see if you're likely owed a refund, and roughly how much.
Your situation
F-1 holders are generally nonresident for their first 5 calendar years in the US; J-1 for 2. Passing the Substantial Presence Test ends this early.
Used only to flag if you may be close to the claim deadline — verify your exact deadline with the IRS.
Not tax advice. This estimates eligibility and refund amount based on IRS guidance for Form 843/8316. Your exact situation may involve details this tool can't capture — verify with a tax preparer before filing.
Based on your answers
| Social Security withheld (Box 4) | |
| Medicare withheld (Box 6) | |
| Already refunded by employer | |
| Estimated amount to claim |
Refund amount is the combined 7.65% (6.2% Social Security + 1.45% Medicare) shown in your W-2 Boxes 4 and 6, minus anything your employer already refunded. You must ask your employer for a refund first — only file Form 843/8316 with the IRS if they refuse or don't respond.
How to actually claim it
- Ask your employer first. They can correct it through payroll. Get their response in writing — you'll need it as proof if you move to step 2.
- If they refuse or don't respond, file Form 843 (Claim for Refund and Request for Abatement) with Form 8316 attached, directly with the IRS.
- Attach supporting documents: a copy of your W-2, your visa, Form I-94, Form I-20 (F-1) or DS-2019 (J-1), your EAD/Form I-766 if on OPT, and your employer's written refusal or non-response.
- File Form 843 separately for each year and each employer — don't combine years or employers on one form, and don't mail it in the same envelope as a 1040NR return.
Common mistakes that get claims rejected: an unsigned Form 8316 (both forms need a handwritten signature and date), W-2 amounts that don't match what you're claiming, no proof you asked your employer first, and thin immigration documentation. Also budget time — this isn't fast; the IRS generally suggests waiting at least 60 days before checking on status.
If you're also unsure whether you're a nonresident or resident alien for tax purposes this year, that status is exactly what determines the FICA exemption — check that first, since it's possible to still hold F-1/J-1 status while already being a resident alien for tax purposes (typically after 5 calendar years for F-1, 2 for J-1).