Who Needs to Fill Out Form W-8BEN and When?

You need to fill out Form W-8BEN if you are a nonresident alien individual who receives income from U.S. sources. The form tells the payer — usually a bank, brokerage, or other withholding agent — that you are a foreign person, identifies you as the beneficial owner of the income, and lets you claim a reduced withholding rate under a tax treaty if one applies. Without a valid W-8BEN on file, the payer is generally required to withhold 30 percent of your payment and send it to the IRS before you see a cent.¹

Who the Form Is For

For W-8BEN purposes, a foreign person is a nonresident alien individual: someone who is neither a U.S. citizen nor a resident alien. U.S. citizens and resident aliens give payers Form W-9 instead. And W-8BEN is only for individuals. Foreign corporations, partnerships, and trusts use Form W-8BEN-E.²

So the question of whether you need this form usually comes down to a second question: are you a nonresident alien, or have you crossed into resident alien status without realizing it?

The Substantial Presence Test

The IRS decides whether you are a resident alien mainly by counting the days you have been physically present in the United States over a three-year window. You meet the test, and become a resident alien for tax purposes, if you were in the U.S. for at least 31 days during the current year and at least 183 “weighted” days across three years. The weighted count is all days in the current year, one-third of the days from the prior year, and one-sixth of the days from the year before that.³

If you meet this test, you can no longer use Form W-8BEN. You must notify any withholding agent who has your W-8BEN on file within 30 days of becoming a resident alien and provide a Form W-9 instead.⁴

Dual-Status Years and Saving Clauses

Some people transition from nonresident to resident status partway through the year, creating a dual-status tax year. Once you become a resident alien, W-8BEN is no longer valid. Most U.S. tax treaties, however, contain a “saving clause” that lets certain former nonresidents — students and researchers, for example — keep claiming specific treaty benefits after becoming resident aliens. In that case, you claim the benefit on Form W-9, not on W-8BEN.⁴

Which Income Triggers the Form

You generally need to give a payer a W-8BEN when you receive what the IRS calls “fixed, determinable, annual, or periodical” (FDAP) income from U.S. sources. FDAP is a broad category covering most recurring passive income:

Dividends from U.S. corporations
Interest from domestic bank accounts or bonds
Rent from U.S. real property
Royalties from intellectual property used in the United States
Compensation for personal services performed in the U.S.
Pensions and annuities from U.S. sources
Prizes and awards earned in the United States

FDAP income is taxed at a flat 30 percent of the gross amount, with no deductions, unless a tax treaty provides a lower rate.⁵

Capital Gains on Stocks and Securities

Gains from selling stocks and other personal property are generally not FDAP income and are not subject to the 30 percent withholding, provided you were physically present in the United States for fewer than 183 days during the tax year and the gains are not connected to a U.S. trade or business you are running. If both are true, you are treated as an “exempt foreign person” for broker transactions, and your W-8BEN tells the broker not to apply backup withholding or information reporting.⁴

If you are present in the U.S. for 183 days or more during the tax year, your net capital gains from U.S. sources are taxed at a flat 30 percent rate.⁶ Some treaties reduce or eliminate that tax.

Sales of U.S. Real Estate

W-8BEN is not the mechanism for selling U.S. real property. Under the Foreign Investment in Real Property Tax Act (FIRPTA), the buyer is generally required to withhold 15 percent of the total sale price when a foreign person sells U.S. real estate. If the buyer plans to use the home as a residence and the price is $300,000 or less, no FIRPTA withholding is required; between $300,001 and $1,000,000 with the same residence intent, the rate drops to 10 percent.⁷ FIRPTA runs on its own track, separate from the W-8BEN process.

When W-8BEN Is the Wrong Form

Two related forms trip people up. Form W-8BEN-E is the version for foreign entities. If you are filling the form out for a corporation, partnership, or trust, you want W-8BEN-E.²

Form W-8ECI applies when a nonresident alien earns income that is “effectively connected” with a U.S. trade or business. If you are actively running a business in the United States and the income is tied to that business rather than being passive investment income, you use W-8ECI instead. If income you previously reported on a W-8BEN later becomes effectively connected to a U.S. business, that counts as a change in circumstances: your W-8BEN is no longer valid for that income, and you need to file a W-8ECI.¹

When to Submit It, and How Long It Lasts

You do not send Form W-8BEN to the IRS. You give it directly to the withholding agent — the bank, brokerage, or other institution paying you — before they make the payment. Some institutions accept it through a secure online portal; others take a paper copy.⁴

A completed W-8BEN stays valid from the date you sign it through the last day of the third succeeding calendar year. A form signed anytime during 2026, for example, generally remains valid through December 31, 2029. After that, it expires, and the withholding agent must begin withholding at 30 percent unless you submit a new one.⁴

If anything on the form becomes inaccurate before it expires — you move to a different country, change your tax residency, or become a U.S. resident — you must notify the withholding agent within 30 days and submit a new form. If you don’t, the payer may apply the full 30 percent rate or drop your treaty-reduced rate until a corrected form is on file.⁴

Many withholding agents accept electronically signed forms, but the IRS has specific standards. Typing your name into the signature line is not enough. A valid electronic signature must include a time and date stamp, along with a statement confirming the form was electronically signed, and the withholding agent may ask for additional documentation to verify you authorized it.⁴

What Happens If You Don’t File, or File Incorrectly

The most immediate consequence of not having a valid W-8BEN on file is that the payer must withhold 30 percent of your U.S.-source FDAP income. This applies whether you never submitted a form, let it expire, or failed to update it after a change in circumstances. You may recover some or all of the over-withheld amount by filing a U.S. tax return, but that process takes time.¹

In certain situations, particularly broker transactions or payment card settlements, the payer may instead apply the backup withholding rate of 24 percent if you fail to provide a valid form.⁸ Either rate is money taken from your payment that a properly completed W-8BEN could have avoided or reduced.

You sign the form under penalty of perjury, so knowingly providing false information is a federal crime. Fraudulent statements on a tax form can result in a fine of up to $100,000 and up to three years in prison.⁹ Claiming nonresident status when you are actually a U.S. resident, or fabricating a treaty claim to lower withholding, is the kind of thing that exposes you to prosecution.

Watch for Fake W-8BEN Requests

The IRS warns that scammers use fake versions of Form W-8BEN to steal personal information from people outside the United States. A legitimate W-8BEN never asks for your mother’s maiden name, passport number, PIN, or account passwords. If you receive an unsolicited email, fax, or letter asking you to complete a W-8BEN, especially one requesting those details, do not reply or open any attachments. Forward suspicious emails to phishing@irs.gov and delete the original. A real W-8BEN goes directly to your withholding agent, not to a stranger who contacted you out of the blue.¹⁰

1
Internal Revenue Service. Instructions for Form W-8BEN (Rev. October 2021)
2
Internal Revenue Service. Form W-8BEN (Rev. October 2021)
3
Internal Revenue Service. Substantial Presence Test
4
Internal Revenue Service. Instructions for Form W-8BEN
5
Internal Revenue Service. Fixed, Determinable, Annual, or Periodical (FDAP) Income
6
Office of the Law Revision Counsel. 26 USC 871 – Tax on Nonresident Alien Individuals
7
Office of the Law Revision Counsel. 26 USC 1445 – Withholding of Tax on Dispositions of United States Real Property Interests
8
Internal Revenue Service. Publication 15 (2026), (Circular E), Employer’s Tax Guide
9
Office of the Law Revision Counsel. 26 USC 7206 – Fraud and False Statements
10
Internal Revenue Service. Fake Form W-8BEN Used in IRS Tax Scams