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Home/Glossary/Affiliation Rules
Status

Affiliation Rules

Definition

SBA Affiliation Rules (13 CFR 121.103) determine when two or more businesses are treated as one entity for size purposes. Triggers include common ownership, common management, identity of interest, and contractual relationships that give one firm power over another. Joint ventures and mentor-protege relationships have specific affiliation exceptions.

Why does Affiliation Rules matter?

is a status concept federal contractors and grant writers run into across solicitations, regulations, and award filings

Source: Bureauify editorial review·Last updated 2026-06-06 by Bureauify

Where this matters in federal contracting

Affiliation Rules is a federal-contracting concept that contractors encounter in solicitations, contracts, and supporting documentation. Understanding Affiliation Rules is part of the broader working vocabulary required to interpret federal procurement signals — RFPs, modifications, contracting-officer responses, and oversight reports all assume the reader is fluent in terms like Affiliation Rules. The related terms above sit in the same conceptual neighborhood; reading them together is faster than reading any one term in isolation, because federal procurement vocabulary is dense with cross-references. Bureauify's glossary is structured to make that browsing efficient: every term links to the network it lives in, not just its own definition.

What can I do?

FollowSave

Route: Orientation path

  1. 1.Discover — you are here
  2. 2.Decide — follow to monitor
  3. 3.Act — follow to monitor
No live signal yet — actions derived from family registry.

Related Terms

SBA

More status terms

Small Business Set-AsideSecurity ClassificationFinal DecisionExcluded PartiesConflict of InterestPCIOCIAlternative Dispute ResolutionPersonal Services ContractSca Wage DeterminationH-1b VisaClearance Requirement

Frequently Asked Questions

What is Affiliation Rules in government contracting?▾
SBA Affiliation Rules (13 CFR 121.103) determine when two or more businesses are treated as one entity for size purposes. Triggers include common ownership, common management, identity of interest, and contractual relationships that give one firm power over another. Joint ventures and mentor-protege relationships have specific affiliation exceptions.
Why is Affiliation Rules important for government contractors?▾
Affiliation Rules is a status designation in the federal procurement system. Understanding contract statuses helps you track opportunities and respond at the right stage of the acquisition lifecycle.

Find Affiliation Rules-related opportunities

Search active federal contracts and solicitations related to Affiliation Rules on Bureauify.

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  • Manufacturing
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  • All Industries

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  • Small Business
  • 8(a)
  • SDVOSB
  • WOSB
  • HUBZone
  • EDWOSB
  • VOSB
  • SDB
  • All Set-Asides

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