Who must file Form 1042‑S?

Any withholding agent—such as a university, corporation, or financial institution—that pays U.S. source income to a foreign person must file Form 1042‑S.

What types of income are reported on Form 1042‑S?

Dividends, interest, royalties, rents, scholarships, research prizes, and certain capital‑gain distributions are all reported on Form 1042‑S.

Can I file Form 1042‑S electronically?

Yes. After completing the fillable PDF, you can upload the finished file to the IRS FIRE system or submit it via your tax software.

What is the deadline for filing Form 1042‑S?

The form is generally due to the IRS by March 15 of the year following the calendar year in which the income was paid.

What happens if I make a mistake on the form?

You can file a corrected Form 1042‑S using the same PDF template. Mark the “Corrected” box in Part I and provide the revised amounts.

Do I need to send a copy of Form 1042‑S to the recipient?

Yes. Recipients must receive a copy of their Form 1042‑S by the same March 15 deadline so they can report the income on their own tax returns.

Is there a fee to use the Formize fillable PDF?

No. The fillable PDF is free to use on Formize.com; you only need an internet connection and a modern browser.

Fillable IRS Form 1042‑S (Foreign Person’s U.S. Source Income)

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Fillable IRS Form 1042‑S (Foreign Person’s U.S. Source Income)

Form 1042‑S is the IRS information return used by withholding agents to report U.S. source income paid to foreign persons, such as dividends, royalties, scholarships, and interest. Accurate reporting is required to avoid penalties and to ensure the correct amount of tax is withheld.

With Formize’s fillable PDF, you can complete the official IRS Form 1042‑S directly in your browser. The layout matches the paper form, but you type into each field, add a digital signature, and export a finished PDF that complies with IRS filing rules.

Using an online filler reduces common errors like mis‑aligned text, missing boxes, or incorrect codes—issues that often cause rejections and delays.

Below you’ll find step‑by‑step instructions, tips for avoiding mistakes, and guidance on where to send the completed form.

Instructions

Form 1042-S Instructions - Instructions for Form 1042-S, Foreign Person's U.S. Source Income Subject to Withholding

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FAQ

Who must file Form 1042‑S?
Any withholding agent—such as a university, corporation, or financial institution—that pays U.S. source income to a foreign person must file Form 1042‑S.
What types of income are reported on Form 1042‑S?
Dividends, interest, royalties, rents, scholarships, research prizes, and certain capital‑gain distributions are all reported on Form 1042‑S.
Can I file Form 1042‑S electronically?
Yes. After completing the fillable PDF, you can upload the finished file to the IRS FIRE system or submit it via your tax software.
What is the deadline for filing Form 1042‑S?
The form is generally due to the IRS by March 15 of the year following the calendar year in which the income was paid.
What happens if I make a mistake on the form?
You can file a corrected Form 1042‑S using the same PDF template. Mark the “Corrected” box in Part I and provide the revised amounts.
Do I need to send a copy of Form 1042‑S to the recipient?
Yes. Recipients must receive a copy of their Form 1042‑S by the same March 15 deadline so they can report the income on their own tax returns.
Is there a fee to use the Formize fillable PDF?
No. The fillable PDF is free to use on Formize.com; you only need an internet connection and a modern browser.

HOW TO

How to fill out Form 1042-S for free, online in 4 easy steps:

1
Click the Fillable Form Button
On this page, press the blue “Fill out this form” button. The Formize PDF Filler app will open in a new tab.
2
Wait for the Formize PDF Filler to Load
The filler loads the exact IRS Form 1042‑S template. This may take a few seconds depending on your connection.
3
Enter All Required Information
Type directly into each box—payer details, recipient TIN, income codes, amounts, and tax withheld. Use the drop‑down menus for codes where provided.
4
Review, Sign, and Download
After completing the fields, review the form for accuracy, add a digital signature, then click “Save & Download” to get your finished PDF.

ABOUT

Federal tax forms

Form 1042-S is one of Federal tax forms that are documents used to report and file federal income taxes with the Internal Revenue Service (IRS) in the United States. These forms are used by individuals, businesses, and organizations to report their income, deductions, and other relevant information necessary for calculating their federal tax liability.

The most commonly used federal tax form is the Form 1040, which is used by individual taxpayers to report their personal income tax. Other commonly used forms include the Form 1065 for partnerships, Form 1120 for corporations, and Form 990 for tax-exempt organizations.

Federal tax forms typically require taxpayers to report various sources of income, such as wages, salaries, and tips, as well as income from investments, rental properties, and other sources. The forms also allow taxpayers to claim deductions and credits for various expenses, such as charitable contributions, mortgage interest, and healthcare expenses.

It is important to file federal tax forms accurately and on time, as failure to do so can result in penalties and interest charges from the IRS.

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