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Form 851 (2025): Affiliations Schedule

Form 851 is the IRS form titled “Affiliations Schedule.”

Form Details

Tax Year
2025
Revision
2025
Pages
4
File Size
142 KB (PDF)
Category
Business — C Corporations

Who Uses Form 851

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

Zentavos can prepare and e-file this for you

A tax professional prepares and reviews your federal return — with Form 851 when your return needs it — and files it electronically with the IRS.

See Tax Prep

Frequently Asked Questions

Download the blank Form 851 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 851.

Yes. This is the 2025 revision of Form 851, 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 851 is part of your filing, our team can prepare it with your return — see Tax Prep to get started.

Source: IRS.gov — Form 851