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FAR Part 19 — Small Business Programs (explainer)

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FAR Part 19 — Small Business Programs

What this Part does

Part 19 operationalizes Section 15 of the Small Business Act (15 USC 644) inside federal procurement. It tells contracting officers when to set an acquisition aside for small business (and which kind of small business), how to count contract value toward socioeconomic goals, and what subcontracting plans prime contractors have to adopt when they win a big contract.

The subparts map to the different socioeconomic statuses: small business broadly (19.5), 8(a) Business Development (19.8), HUBZone (19.13), Service-Disabled Veteran-Owned Small Business SDVOSB (19.14), Women-Owned Small Business WOSB / Economically Disadvantaged WOSB (19.15). Each program has its own eligibility rules, sole-source authority limits, and set-aside logic. Part 19 also includes the limitations on subcontracting (how much work a small business set-aside winner has to perform itself — formerly called the “50% rule,” now expressed in terms of the similarly-situated subcontractor exception).

When you’d look here

  • Your client qualifies as one of the small-business categories and wants to know what acquisitions are off-limits to large competitors.
  • Your client won a set-aside and needs to understand the limitations on subcontracting.
  • Your client is a large prime and needs to prepare a subcontracting plan for a contract over the Subcontracting Plan Threshold (generally 1.5M for construction).
  • A competitor’s size representation looks off and you’re considering a size protest.
  • An 8(a) contract is being sole-sourced above the competitive threshold (7M for manufacturing for most 8(a) firms) and the rules for a “competitive 8(a)” kick in.

Case study: the size protest that eats the contract

Orion Instruments, a 180-employee electronics manufacturer, won a small-business set-aside Navy contract for a specialty cable harness. Orion self-certified as a small business at the time of offer. The solicitation used NAICS code 334419 (Other Electronic Component Manufacturing), size standard 750 employees.

Two days after award, a competitor filed a size protest with the SBA Area Office. The competitor’s theory: Orion had acquired a small sister company two years earlier, and the combined employee headcount under affiliation rules (FAR 19.101 references the SBA definition at 13 CFR 121.103) was 890 — over the 750-employee size standard for that NAICS.

SBA’s Area Office reviewed payroll records and agreed: the acquired entity was under common management with Orion’s parent, triggering affiliation, and the aggregate employee count exceeded the size standard. SBA determined Orion was other than small. Per FAR 19.302, the contracting officer terminated the award (actually, since award had just been made, cancelled it) and went back to the next-ranked small-business offeror.

Orion appealed to the SBA Office of Hearings and Appeals (OHA). OHA affirmed. Orion’s final options: reorganize to sever the affiliation and re-certify for future solicitations, or compete in the unrestricted pool. The lost award — roughly $14M over five years — went to a competitor.

Teaching points:

  1. Size status is determined at the time of offer, not at award or performance. Changes mid-performance don’t usually lose the contract (the re-representation rules under FAR 19.301-2 are more nuanced), but miscertifications at offer do.
  2. Affiliation is the hidden risk. Common ownership, common management, identity of interest between firms, and newly-organized concerns all trigger affiliation under SBA rules — and the small acquirer often isn’t thinking about it.
  3. A size protest has to be filed within 5 business days after bid opening (sealed bid) or notification of the apparent successful offeror (negotiated). Short window, high stakes.

Key sections

  • FAR 19.101 — Definitions (small-business concern, affiliation, similarly-situated entity, set-aside).
  • FAR 19.202 — Specific small-business policies.
  • FAR 19.301 — Small business size determinations and re-representation rules.
  • FAR 19.302 — Protesting a representation.
  • FAR 19.502 — Setting aside acquisitions (the “Rule of Two”).
  • FAR 19.505 — Procedures for setting aside.
  • FAR 19.508 — Solicitation provisions and contract clauses for small business set-asides.
  • FAR 19.702 — Statutory subcontracting plan requirements.
  • FAR 19.808 — Competitive and sole-source 8(a) acquisitions.
  • FAR 19.14 (Subpart) — SDVOSB.
  • FAR 19.15 (Subpart) — WOSB and EDWOSB.
  • DFARS Part 219 — DoD overlay: Comprehensive Subcontracting Plan (CSP) eligibility, DoD Mentor-Protégé Program (separate from SBA’s and more generous), DoD-specific HUBZone treatment.
  • FAR Part 6 — Set-aside vs. full-and-open competition.
  • FAR Part 44 — Subcontracting policies generally (not just small-business subcontracting).
  • Statutory authority: 15 USC 644 (Small Business Act §15), 15 USC 657f (SDVOSB), 15 USC 637(m) (WOSB).

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