If you’re a nonresident alien trying to claim a tax treaty exemption from U.S. withholding, the choice between Form 8233 and Form W-8BEN comes down to what kind of income you’re being paid. Use Form 8233 for compensation from personal services, meaning wages from an employer or fees for independent work like consulting. Use Form W-8BEN for passive income such as dividends, interest, royalties, rents, and standalone scholarships or fellowships.1Internal Revenue Service. About Form 82332Internal Revenue Service. About Form W-8 BEN Pick the wrong one, miss a deadline, or leave a required field blank and the default 30% federal withholding stays on every payment.3Internal Revenue Service. NRA Withholding
Matching the Form to Your Income
The rule is about the character of the payment, not the amount.
Form 8233 covers personal service income. That splits into dependent personal services (wages paid by an employer) and independent personal services (freelance or consulting fees). You give it to the withholding agent to signal that a treaty exempts some or all of that compensation from the standard rate.1Internal Revenue Service. About Form 8233
Form W-8BEN covers everything that isn’t compensation for services. Dividends, interest, royalties, rents, and similar passive payments belong here. The form establishes your foreign status and, if a treaty applies, tells the payer to reduce or skip withholding.2Internal Revenue Service. About Form W-8 BEN
Scholarships and fellowships are the edge case that catches international students. A scholarship or fellowship on its own goes on Form W-8BEN. But if the same institution pays you both a treaty-exempt scholarship and treaty-exempt wages, you claim both exemptions on a single Form 8233.4Internal Revenue Service. Claiming Treaty Exemption for a Scholarship or Fellowship Grant Splitting them onto two forms is one of the more common filing errors, and it usually means the 30% default gets withheld until the correct paperwork is resubmitted.
Confirm the Treaty and Get a TIN First
Before you fill out either form, confirm three things: that your country has an active treaty with the United States, that the treaty covers your specific type of income, and that you fit within any dollar or time limits the treaty imposes. Teacher and researcher exemptions are often time-limited (commonly two or three years of U.S. presence), and some treaties impose hard monetary caps that make the entire year’s income taxable once you exceed them.
The IRS tax treaty tables list the withholding rate, the treaty article number, and any limits by country and income type.5Internal Revenue Service. Tax Treaty Tables Table 1 handles passive income; Table 2 handles personal service income. You’ll need the exact article number from these tables to complete either form.
Both forms also require a U.S. taxpayer identification number. The IRS will not process a treaty exemption claim without one.4Internal Revenue Service. Claiming Treaty Exemption for a Scholarship or Fellowship Grant If you’re work-authorized, that’s your Social Security Number. If not, you need an Individual Taxpayer Identification Number (ITIN). ITIN processing runs about seven weeks, stretching to nine to eleven weeks during tax season (January 15 through April 30).6Internal Revenue Service. Individual Taxpayer Identification Number (ITIN) Start the application the moment you know you’ll need one. Waiting until your first pay date is scheduled is how people end up with 30% taken from checks that a treaty should have protected.
Filling Out Form 8233
Form 8233 is the more demanding of the two, and precision matters in every part.
Part I collects your identifying details: full legal name, permanent foreign address, U.S. taxpayer identification number, foreign tax identification number if your home country issues one, visa type, date of entry, current nonimmigrant status, and the expiration date of that status.7Internal Revenue Service. Instructions for Form 8233 Students, trainees, teachers, and researchers must also attach a separate statement supporting the treaty claim.
Part II is the treaty claim itself, and it’s where most errors happen. You’ll enter a description of the services you’re performing, the total compensation you expect from this withholding agent during the tax year, the treaty name (for example, “U.S.–Germany tax treaty”), and the exact article and paragraph number (for example, “Article 14, paragraph 2”).7Internal Revenue Service. Instructions for Form 8233 You’ll also state whether all of your compensation is exempt or only a portion, and if partial, the specific dollar amount that qualifies.
Write the service description so a reviewer can see the connection to your treaty article at a glance. “Teaching” is too thin. “Teaching two undergraduate biology courses per semester at ABC University” is what the IRS wants. You then sign under penalty of perjury.
Filling Out Form W-8BEN
Form W-8BEN is shorter. Part I covers your name, country of citizenship, permanent address, and taxpayer identification number. Part II is the treaty claim: country of residence, the treaty article giving the reduced rate or exemption, the type of income it covers, and any conditions the treaty attaches.8Internal Revenue Service. Form W-8BEN
You give the completed form to the withholding agent or payer, not to the IRS. The payer applies the reduced treaty rate as soon as they accept it.
How Submission Works and When Withholding Drops
You never send either form to the IRS yourself. You hand it to the withholding agent, and they take it from there.
For Form 8233, the agent forwards a copy to the IRS within five days of accepting it, then must wait at least 10 days before applying the reduced rate.7Internal Revenue Service. Instructions for Form 82339Internal Revenue Service. Internal Revenue Manual Part 21.8.6 During those 10 days the IRS can object or ask for more information. If they stay silent, the agent proceeds at the treaty rate. The exemption then applies retroactively to the date of the first payment covered by the form, so early paychecks withheld at 30% get sorted out. If the IRS rejects the form, the agent gets written notice and reverts to the full 30% rate.
Form W-8BEN has no 10-day waiting period. The payer applies the reduced rate on acceptance.
Either way, watch your pay stubs. If the withholding rate hasn’t dropped after two or three pay periods, contact payroll to confirm the form was forwarded and accepted.
How Long Each Form Lasts
Form 8233 expires every year. File a new one for each tax year, and file a separate form for each combination of withholding agent and income type. A professor earning teaching wages from one university and consulting fees from another would file a separate form with each institution every tax year.7Internal Revenue Service. Instructions for Form 8233
Form W-8BEN lasts three years. It’s valid from the signing date through December 31 of the third calendar year after that, so a form signed on March 15, 2026 runs through December 31, 2029.10Internal Revenue Service. Instructions for Form W-8BEN (10/2021) If anything on the form becomes wrong before the expiration date (a change in country, tax residency, or other information), the form is void and you must submit a replacement right away.
You Still Have to File a Tax Return
Filing Form 8233 or W-8BEN handles withholding during the year. It does not replace the annual return.
If you were engaged in a trade or business in the United States during the year (which includes performing services as an employee), you must file Form 1040-NR even if all your income is treaty-exempt.11Internal Revenue Service. 2025 Instructions for Form 1040-NR There’s a narrow carve-out for F, J, M, and Q visa holders who were temporarily present with no income subject to tax, but most people earning wages or fees won’t fit it.
On top of Form 1040-NR, anyone claiming a treaty-based position to reduce U.S. tax must file Form 8833 to disclose that position.12Internal Revenue Service. About Form 8833 Skipping the disclosure carries a $1,000 penalty per failure for individuals, and it applies whether or not you owe any tax.13Internal Revenue Service. Form 8833 People who successfully avoided withholding all year sometimes assume there’s nothing left to report. That’s the assumption the penalty is designed to correct.
What These Forms Don’t Cover
Two boundaries worth knowing before you file.
FICA (Social Security and Medicare) is separate. Nonresident aliens on F-1, J-1, M-1, and Q-1 visas are generally exempt from FICA under the Internal Revenue Code itself, not through a treaty, and that exemption doesn’t run through Form 8233 or W-8BEN. If an employer withholds FICA in error, ask them to correct it and refund the amounts. If they can’t, you can file Form 843 with a copy of your W-2 and an employer statement (or an explanation of why you couldn’t get one).14Internal Revenue Service. About Form 84315Internal Revenue Service. Instructions for Form 843 (12/2024)
State income taxes are also separate. Federal treaty exemptions don’t automatically flow through to state withholding. Some states honor U.S. tax treaties; others ignore them and require full state-level withholding on income earned within their borders.16Internal Revenue Service. Tax Treaties If you work in a state with an income tax, check with that state’s tax authority before assuming your federal exemption carries over.