Artifact · A4 · 2026-05-28

15 U.S.C. 638(r)(4) plain-English primer.

What the statute actually says, what it does not say, what the SBA and DoD add, and what it means for a CHN-class awardee.

A4 · Statutory Primer · artifact id: 638r4-primer-v0.html · 2026-05-28 · v0

What the statute says

The operative authority is 15 U.S.C. 638(r)(4)(B). Here is the full text of subsection (r)(4):

"To the greatest extent practicable, Federal agencies and Federal prime contractors shall -- (A) consider an award under the SBIR program or the STTR program to satisfy the requirements under sections 3201 through 3205 of title 10 and any other applicable competition requirements; (B) issue, without further justification, Phase III awards relating to technology, including sole source awards, to the SBIR and STTR award recipients that developed the technology; (C) develop simplified and standardized procedures and model contracts for Phase I, Phase II, and Phase III SBIR awards and report to the Administrator on actions taken by the Federal agency in support of these objectives; and (D) as applicable, issue standardized solicitation provisions and contract clauses that provide clear guidance on the information that small business concerns participating in SBIR or STTR programs can be expected to provide as part of market research or as part of a proposal by those small business concerns to establish eligibility for Phase III awards."

The load-bearing clause is in (r)(4)(B): "without further justification" and "including sole source awards." The statute tells agencies they must issue Phase III sole-source awards without additional competition justification. That is the entire grant of authority in plain terms.

Because CHN Analytics held a STTR Phase I award (not an SBIR Phase I), the Phase III definition governing that award is subsection (e)(6)(C), not (e)(4)(C). The STTR-specific definition:

"where appropriate, a third phase for work that derives from, extends, or completes efforts made under prior funding agreements under the STTR program -- (i) in which commercial applications of STTR-funded research or research and development are funded by non-Federal sources of capital or, for products or services intended for use by the Federal Government, by follow-on non-STTR Federal funding awards; and (ii) for which awards from non-STTR Federal funding sources are used for the continuation of research or research and development that has been competitively selected using peer review or scientific review criteria"

Plain English: Phase III is any work that traces its lineage back to a prior STTR funding agreement (Phase I or Phase II) and is funded outside the SBIR/STTR budget lines. The qualifying gate is the lineage test, not the source of new funding. The three-part test is "derives from, extends, or completes" -- meaning Phase III work can be a direct continuation, an expansion into new applications, or the fielding of a completed prototype. Any one of the three prongs qualifies.

What the statute does NOT say

The statute does not require Phase II completion as a predicate for Phase III. This is the most common misread and it has real consequences for how companies and contracting officers think about the pathway.

The misread comes from how SBIR phases are described in agency guidance, program offices, and industry shorthand. The common framing is: Phase I proves feasibility, Phase II builds the prototype, Phase III scales. That sequence is common practice. It is not law. The statute references "prior funding agreements under the STTR program" without specifying that those agreements must include a Phase II award. Subsection (r)(4)(B) authorizes sole-source awards to "the SBIR and STTR award recipients that developed the technology" without any Phase II gate.

Two other misreadings worth naming:

First, the statute does not require a new competition for Phase III work. It explicitly says "without further justification." The competitive selection that occurred at Phase I already satisfies the competition requirement. Phase III is the downstream benefit of winning Phase I or Phase II.

Second, the statute does not cap Phase III award value or scope. There is no dollar ceiling written into the statute. AFWERX has issued Phase III awards in the $99M to $142M range. The scope and value are determined by what the contracting officer's office needs and what the awardee can credibly deliver, not by a statutory limit.

What the SBA policy directive adds

The SBA SBIR/STTR Policy Directive (2019) is the implementing policy document for the statute. Section 9 is the Phase III section. The key passage uses explicit parallel construction that forecloses the Phase-II-required misread:

"A Federal Agency may enter into a Phase III SBIR/STTR agreement at any time with a Phase II Awardee. Similarly, a Federal Agency may enter into a Phase III SBIR/STTR agreement at any time with a Phase I Awardee."

The sentence structure is deliberate. "Similarly" establishes that the rule for Phase I awardees is parallel to, not derivative of, the rule for Phase II awardees. The Policy Directive also codifies that Phase III carries SBIR/STTR data rights even when funded by non-SBIR sources: "If an SBIR/STTR Awardee receives a Funding Agreement for work that derives from, extends, or completes efforts made under prior SBIR/STTR Funding Agreements, then the Funding Agreement for the new work must have all SBIR/STTR Phase III status and SBIR/STTR Data Rights." That data rights protection is an underappreciated material benefit of Phase III structuring.

The Army SBIR/STTR program page repeats the same language independently: "A federal agency may enter into a third-phase agreement at any time with a Phase I or Phase II awardee. Companies receiving Phase III funding based on Phase I work remain eligible to subsequently apply for Phase II awards." That last sentence is also important: pursuing Phase III based on Phase I does not forfeit the company's right to later apply for Phase II funding. The phases are not a one-way gate.

What the DoD overlay adds

DoD-specific guidance adds three things the statute does not specify: a contracting officer obligation, a data rights clause requirement, and a permitted funding source list.

The AFWERX Phase III Execution Guide (AFRL-cleared) is the most detailed agency-level statement of CO obligations. The guide confirms no Justification and Approval (J&A) is needed: "No J&A required under FAR 6.302-5 (see 10 U.S.C. 2304(f)(6)) and 15 U.S.C. 638(r)(1) and (r)(4)." No FAR Part 5 synopsis is required. The competitive selection from Phase I already satisfies the competition requirement.

What the CO does need is a memo for the record. The Army SBIR/STTR program page states: "Government technical experts must document this connection through a Statement/Memorandum for Record showing how the work to be performed on the Phase III contract derives from, extends or completes prior SBIR/STTR efforts." The standard affirmation language from the Army SBIR program: "It is sufficient to state that the project is an SBIR/STTR Phase III award that is derived from, extends, or completes efforts made under prior SBIR/STTR Funding Agreements and is authorized pursuant to 15 U.S.C. 638(r)(4), and further justification is not needed."

The data rights clause is mandatory in Phase III even when the funding source is not SBIR/STTR money. DFARS 252.227-7018 governs SBIR/STTR data rights in Phase III DoD contracts. The awardee retains those rights through the full Phase III performance period. This is a material negotiating point in any Phase III action.

On funding sources: Phase III cannot use SBIR or STTR program budget lines. The AFWERX overview is explicit: "Cannot be funded with SBIR or STTR dollars." Permissible sources include RDT&E appropriations, Operations and Maintenance (O&M) funds, and procurement accounts. This means the CO must identify a program element (PE) number or O&M account before the action can execute. That funding identification step is often where Phase III stalls in practice, not in law.

The FAR was amended in April 2023 (Federal Register 2023-06420) to codify the no-J&A rule at the regulatory level: "contracting officers may award sole-source actions under Phase III of the SBIR/STTR programs without further justification based upon the statutory authority in the Small Business Act (15 U.S.C. 638(r)(4))." That 2023 regulatory codification closes any pre-2023 ambiguity and removes the last administrative hook for a CO who might have previously required a separate sole-source justification.

AFWERX context: the 2024 AFWERX Annual Report documents a 63.5% Phase III transition rate and $1.44B in Phase III awards since 2019 across 6,200+ contracts. That is an agency-level statistic, not a per-awardee guarantee, but it establishes that AFWERX contracting infrastructure is well-practiced at Phase III execution. For an AFWERX-originated STTR like CHN's FA8649-21-P-0756, the natural CO path runs through the same office family.

Practical implications for a CHN-class awardee

CHN Analytics LLC completed STTR Phase I award FA8649-21-P-0756 in 2021. Under the statute and every implementing authority surveyed, that award is sufficient to establish Phase III eligibility today. Here is what that means operationally.

Who can sole-source CHN: Any federal agency or federal prime contractor may issue a sole-source Phase III award to CHN (or its legal continuant) without a new competition. The prior Phase I competitive selection satisfies the competition requirement. AFWERX is the highest-probability CO target given it funded the predicate award, but the authority is not limited to AFWERX. Any agency whose mission intersects the derives-from test can act.

What funding sources qualify: The Phase III award must be funded outside SBIR/STTR budget lines. RDT&E appropriations, O&M funds, and procurement accounts are all permissible. There is no prescribed ceiling on award value.

What the CO must affirm: The CO needs a memo for the record documenting that the new work derives from, extends, or completes efforts made under FA8649-21-P-0756. The standard language is: "This is an SBIR/STTR Phase III award derived from FA8649-21-P-0756 and authorized pursuant to 15 U.S.C. 638(r)(4). Further justification is not needed." No J&A. No FAR Part 5 synopsis. No separate sole-source justification document. The memo plus the citation is the complete paperwork requirement.

The entity continuity question: The statute requires that the Phase III award go to "the SBIR and STTR award recipients that developed the technology." chnanalytics.com currently 301-redirects to northai.io. Before any CO can sign a Phase III action, one of two things must be true: either NorthAI is the renamed legal entity of CHN Analytics LLC (in which case the award travels with the entity and no additional action is required), or NorthAI is a separately formed entity that acquired CHN's assets (in which case a formal novation of FA8649-21-P-0756 is required). This is a gating condition for Phase III execution, not a barrier to the thesis. GAO bid-protest precedent (B-418028) shows a company that lost a Phase III award over a novation gap and re-won it within months after completing the paperwork. The question is resolvable; it needs to be answered before the CO conversation begins.

The practical sequence: Phase III happens because a contracting officer at a specific agency decides to buy a specific technology and structures the award as a Phase III sole-source action. The awardee's job is to reduce friction for that CO. The most useful things CHN/NorthAI can bring to a first CO conversation are: a clear derives-from memo linking the current product to FA8649-21-P-0756, identification of a funding source outside SBIR/STTR budget lines, and a statement confirming entity continuity is resolved. The CO action memo template at co-action-memo-template-v0.html pre-populates all required sections for the CHN/NorthAI fact pattern.