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Form 851 — Affiliations Schedule
IRS (United States)
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Form 851
Affiliations Schedule
2025 edition
federal · United States
Fillable PDF · Free to download and print · Available
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Open Form 851 using the "Fill Online" button above, or download the blank PDF.
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Gather required documents: identification, financial records, and any supporting paperwork referenced in the form instructions.
Complete each section carefully. Required fields are typically marked with an asterisk (*).
Double-check all entries for accuracy — especially names, dates, identification numbers, and dollar amounts.
Sign and date the form where indicated. Electronic signatures are accepted when filed through DocuHub.
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Form 851 (Affiliations Schedule) is typically required by individuals or organizations dealing with IRS in federal jurisdiction. This tax form is commonly used for official filings, applications, or compliance purposes.
Individuals who need to file or apply with IRS
Businesses and organizations with tax obligations
Tax professionals, accountants, and legal representatives filing on behalf of clients
Anyone required to submit Form 851 as part of a regulatory or compliance process