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Form 1120-F (2025): U.S. Income Tax Return of a Foreign Corporation

Form 1120-F is the IRS form titled “U.S. Income Tax Return of a Foreign Corporation.”

Form Details

Tax Year
2025
Revision
2025
Pages
9
File Size
414 KB (PDF)
Due Date
April 15, 2026 — extended: October 15, 2026
Category
Business — C Corporations

Due dates are for calendar-year filers, as published by the IRS for the 2025 tax year; a weekend or legal holiday moves a due date to the next business day.

Who Uses Form 1120-F

C corporations (including foreign corporations with U.S. income).

  • Extension:Form 7004 — Application for Automatic Extension of Time To File Certain Business Income Tax, Information, and Other Returns
  • E-File Authorization:Form 8879-CORP — E-file Authorization for Corporations

Zentavos can prepare and e-file this for you

A tax professional prepares and reviews your federal return — with Form 1120-F when your return needs it — and files it electronically with the IRS.

See Tax Prep

Frequently Asked Questions

Download the blank Form 1120-F PDF from this page. It is the official IRS file, delivered from IRS.gov — Zentavos does not change it. You can also find it on the IRS's page for Form 1120-F.

Yes. This is the 2025 revision of Form 1120-F, the version for tax year 2025.

Yes. Zentavos prepares and e-files federal tax returns for individuals and businesses, including the forms and schedules each return needs. If Form 1120-F is part of your filing, our team can prepare it with your return — see Tax Prep to get started.

Source: IRS.gov — Form 1120-F