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Short answer: The Department of Defense cannot use an OTA as a general substitute for a Federal Acquisition Regulation (FAR) construction contract. A prototype other transaction (OT)—often called an OTA—under 10 U.S.C. § 4022 is a separate statutory instrument for qualifying prototype projects. Its current construction provision is a limited pilot for prototyping new construction techniques or technologies that improve military installations or facilities. Routine barracks, roads, hangars, utility work, and ordinary facility construction normally require a procurement contract under the applicable acquisition rules unless a specific authority and the project facts support another instrument.
The practical choice turns on the work’s purpose, statutory fit, funding, approvals, participants, competition plan, labor requirements, and agreement terms—not on whether the customer labels the effort an “OTA.”
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OTA and OT: the terminology matters
“OTA” is common shorthand for an other transaction authority. The statute and current Department of Defense policy generally use other transaction or OT. In this article, “prototype OT” means an agreement authorized under 10 U.S.C. § 4022; “FAR contract” means a procurement contract governed by the FAR and, where applicable, the Defense Federal Acquisition Regulation Supplement (DFARS) and other statutes.
An OT is not simply a construction contract with fewer clauses. Congress created § 4022 to let DoD conduct qualifying prototype projects directly relevant to enhancing mission effectiveness or improving platforms, systems, components, or materials. The statute identifies forms such as proof-of-concept work, a model or process, reverse engineering to address obsolescence, a pilot or novel application of commercial technology for defense purposes, agile development, and creating or demonstrating operational utility. Whether a particular agreement satisfies those requirements must be determined from the project record and the current statute.
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DoD publishes policy guidance for these agreements, including the July 2023, Version 2.0 DoD OT Guide and an accessibility-updated PDF posted in July 2025. Guidance can explain practice, but it does not enlarge the authority Congress enacted.
What a FAR-based construction contract does
A procurement contract is the familiar vehicle for acquiring a defined construction result: a building, road, runway, utility system, repair, alteration, or related work. The FAR, DFARS, appropriations law, labor statutes, design requirements, bonding rules, inspection provisions, changes clauses, and other terms apply according to the contract type, agency, funding, and work.
That does not mean every construction acquisition has identical clauses or procedures. A military department may use different contract forms, procedures, or statutory exceptions for different projects. The important point is that a procurement contract is governed through the acquisition-regulation framework, while a prototype OT is governed first by its statutory authority and negotiated agreement.
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The general prototype purpose
Section 4022 authorizes DoD to enter into transactions for qualifying prototype projects. The project must be directly relevant to enhancing mission effectiveness or improving a platform, system, component, or material. The listed project forms show the intended center of gravity: experimentation, demonstration, technical risk reduction, and operational learning rather than routine production.
The authority therefore asks a different question from a normal construction procurement. Instead of asking only, “What facility must be built?” the acquisition team must establish what new capability, technique, technology, or process is being prototyped and how the effort is relevant to the defense mission.
The construction-specific pilot
Current 10 U.S.C. § 4022(i), in the preliminary statutory text published by the Office of the Law Revision Counsel as law in effect September 9, 2026, permits DoD or a military department to establish a pilot for prototype projects directly relevant to:
“prototype the design, development, or demonstration of new construction techniques or technologies to improve military installations or facilities.”
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This is a targeted authority. A project does not qualify merely because its end product is on a military installation or because the contracting organization prefers an OT. The proposed work must actually prototype the design, development, or demonstration of a new construction technique or technology and must satisfy the other conditions in § 4022.
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Current statutory boundaries
The current preliminary text sets boundaries for the facility pilot:
- No more than two prototype projects may begin in a fiscal year, except that the project-count limit does not apply to projects carried out to repair a facility.
- The aggregate value of transactions under the pilot is capped at $300 million.
- The pilot may use military construction, operation and maintenance, or research, development, test and evaluation funds, notwithstanding the specified statutory provisions identified in § 4022.
- The pilot authority terminates September 30, 2030, subject to the exception stated in the statute.
These are legal limits and an expiration date, not evidence that OTs are faster, cheaper, or more successful than procurement contracts. A project also has to meet any other applicable § 4022 thresholds, approval requirements, participant conditions, and agreement terms.
The 2023 edition of § 4022 contains an earlier version of a facility-prototyping provision. Its wording and limits are not interchangeable with the current preliminary text. Teams relying on the authority should verify the version of the statute in force for the proposed action.
How FAR 22.402 affects construction work
FAR 22.402 is a construction-wage rule, not a universal test for whether an OT is permissible. It illustrates why the physical work and its relationship to the contract matter more than the contract label.
Work treated as construction
Under the regulation’s terms, the construction wage requirements apply to covered construction work performed at a particular site. The provision reaches certain demolition and removal, on-site manufacture or fabrication connected with construction, and painting of public buildings or public works. It also describes exclusions, including specified off-site manufacturing and construction so closely related to research, experiment, and development that it cannot be performed separately.
Construction inside a nonconstruction contract
A supply, service, research-and-development, or other nonconstruction contract can still contain work to which FAR 22.402 applies. The regulation identifies conditions including all of the following:
- The work is on a public building or public work.
- It is a substantial amount above the applicable statutory threshold.
- It is physically or functionally separate from the rest of the effort and can be performed on a segregated basis.
Construction that is merely incidental or inseparable is treated differently under the regulation. Consequently, a statement such as “the agreement is for research” does not, by itself, resolve wage coverage for a separately identifiable construction portion.
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Why this does not answer every OT labor question
FAR 22.402 is written for the FAR subpart governing construction wage requirements. It does not, standing alone, determine every labor obligation for every OT. For an OT, the team must analyze the statutory authority, the negotiated agreement, applicable labor and appropriations law, and any requirements that attach to the particular work or funding. The safe conclusion is that an instrument’s name alone cannot establish that construction labor rules do—or do not—apply.
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Key differences at a glance
| Issue | FAR-based construction contract | Prototype OT under 10 U.S.C. § 4022 |
|---|---|---|
| Authority and purpose | Procurement of construction under applicable acquisition rules. | Qualifying DoD prototype project; the facility pilot concerns prototyping new construction techniques or technologies. |
| Fit for ordinary work | Designed to acquire a defined construction requirement, subject to the applicable procurement rules. | Must fit the statutory prototype purpose and all applicable conditions; the facility pilot is bounded rather than a general construction authority. |
| Rules and terms | FAR, applicable DFARS provisions, statutes, and contract clauses govern. | The § 4022 statute, other applicable law, DoD policy, and negotiated agreement terms govern. It is inaccurate to call the instrument categorically “FAR exempt.” |
| Competition and transition | FAR competition procedures apply, subject to authorized exceptions. | Prototype selection and any follow-on production depend on statutory conditions, the agreement, successful completion, and documentation. |
| Construction labor | FAR 22.402 supplies rules for covered construction and qualifying segregable construction portions. | The label does not decide labor treatment; the team must analyze applicable law and the agreement for the actual work. |
| Funding and approvals | Determined under the acquisition, appropriations, and construction rules applicable to the procurement. | Section 4022 identifies pilot funding options and limits, while other § 4022 thresholds and approvals still apply. |
There is no single universal FAR construction contract profile, and § 4022 OTs vary with project type, value, funding, and arrangement. The table shows the governing concepts, not a substitute for reviewing the proposed instrument.
When a construction project may fit the facility pilot
New technique or technology is the project, not a side feature
A plausible candidate would make the new construction method or technology the object of the prototype: for example, demonstrating a novel process for constructing or repairing a military facility, validating a new materials system, or testing an innovative design-and-build technique under operational conditions. The technical demonstration, measurements, risk reduction, and lessons learned should be identifiable in the statement of work and success criteria.
Adding an experimental component to an otherwise conventional building project is not automatically enough. If the principal requirement is ordinary construction and the innovative element is incidental, the team should presume that a conventional procurement analysis is needed unless counsel and the responsible contracting officials establish a statutory basis for the OT.
Routine facility work generally points to a procurement contract
Replacing standard barracks, building a conventional road or hangar, installing ordinary utilities, or performing a normal facility expansion typically describes an end product rather than a prototype. Those requirements fit the ordinary construction-acquisition model unless a different, specific statutory authority applies. The fact that the customer is DoD and the site is a military installation does not convert routine construction into a § 4022 prototype.
Repair projects require careful reading
The current pilot’s two-project-per-fiscal-year limit does not apply to projects carried out to repair a facility. That is an exception to the project-count limit, not a blanket authorization for every repair. A repair proposal still must be connected to prototyping new construction techniques or technologies and satisfy the remaining statutory, funding, approval, and agreement requirements.
A project-screening method for acquisition teams
The following sequence keeps the legal and practical questions separate. It is an orientation framework, not a determination that a specific project is authorized.
- Describe the requirement in functional terms. Identify the facility, site, work packages, expected output, and which activities are construction, testing, research, or services. Separate the conventional work from any experimental work.
- State the prototype hypothesis. Write what new construction technique or technology will be designed, developed, or demonstrated, what defense problem it addresses, and what evidence will show success. A claim that the project is “innovative” without a testable objective is weak support for an OT.
- Check the § 4022 nexus. Confirm that the prototype is directly relevant to enhancing DoD mission effectiveness or improving a qualifying platform, system, component, or material, and then apply the facility-pilot language to the installation or facility work.
- Check current statutory boundaries. Review the fiscal-year project count, the $300 million aggregate pilot cap, the repair exception, the September 30, 2030 termination date, and any other value, approval, participant, or procedural conditions in the version of § 4022 that governs the action.
- Map the funding. Determine whether military construction, operation and maintenance, or research, development, test and evaluation funds are proposed, whether their use is permitted for this pilot, and whether appropriations restrictions or reprogramming approvals apply.
- Identify the instrument and labor rules. For a procurement contract, map the FAR and DFARS clauses. For an OT, identify statutory requirements, negotiated terms, labor provisions, site work, subcontracting, and any separately performed construction that may trigger requirements outside the OT label.
- Plan competition and transition. Decide how prototype participants will be selected, what “successful completion” means, and whether the agreement will provide for a possible follow-on production contract or transaction. Record the statutory basis for any proposed exception to competition.
- Document the decision. Preserve the purpose analysis, funding and approvals, market and participant rationale, construction-labor analysis, value calculation, project-count check, and the contracting official’s determination. A well-documented rationale is essential if the instrument is later reviewed.
Follow-on production: possible, planned, and conditional
Section 4022 permits a prototype OT to provide for a follow-on production contract or transaction. A follow-on may proceed without competitive procedures when the prototype selection used competitive procedures and the participants successfully completed the prototype, subject to the statute’s conditions and the Department’s determination of successful completion.
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DFARS 206.001-70 recognizes a competition exception for certain follow-on production contracts for products developed under § 4022 prototype OTs. The provision calls for documentation from the agreements officer and references the requirement that the OT provide for follow-on production and satisfy the applicable statutory conditions. It does not turn every OT into a noncompetitive production vehicle.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Common mistakes and how to correct them
“An OTA is exempt from the FAR, so any construction can use it.”
Why it fails: The OT authority and procurement-contract authority are different, but that distinction is not a blanket exemption from every law or requirement. The statute itself treats an agreement under § 4022 as a federal agency procurement for specified procurement-ethics requirements.
Correction: Identify the precise statutory authority, then list the laws, regulations, funding restrictions, labor rules, and agreement provisions that apply to the proposed action.
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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problems“The facility pilot covers military construction generally.”
Why it fails: The current language is limited to prototyping the design, development, or demonstration of new construction techniques or technologies to improve military installations or facilities.
Correction: Make the prototype objective central and testable. Treat ordinary construction as a procurement requirement unless a specific authority supports another route.
“Calling the effort research removes construction wage obligations.”
Why it fails: FAR 22.402 looks at the work, location, public-building or public-work connection, separability, and other stated conditions. A separately performed construction portion can be treated differently from incidental or inseparable work.
Correction: Map each work package and analyze labor requirements under the instrument and applicable law instead of relying on a project label.
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Why it fails: Follow-on production depends on competitive prototype selection where required, successful completion, an agreement provision, statutory conditions, and documentation.
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Correction: Design the transition plan before award and obtain the agreements officer’s required records and determinations.
“The statutory cap proves OTs save money or time.”
Why it fails: The two-project limit, $300 million cap, and sunset are legal boundaries, not performance statistics.
Correction: Use project-specific schedules, costs, technical results, and audits if performance is being evaluated; do not infer outcomes from the statutory numbers.
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Three practical illustrations
Standard barracks replacement
The requirement is a conventional facility delivered to established design and code requirements. Nothing in the description identifies a prototype of a new construction technique or technology. A FAR-based construction procurement is the natural starting point, with the applicable design, labor, funding, competition, and contract requirements.
Demonstration of a new installation-construction process
The principal objective is to design, develop, and demonstrate a new process on a military facility, with measurable technical and operational criteria. This could be considered for the § 4022(i) pilot if the project satisfies the direct-relevance test, funding and approval rules, project-count and value limits, and all other statutory conditions. The construction portions still require a deliberate labor and compliance analysis.
Repair using a novel technique
A repair project using a new technique may receive the benefit of the pilot’s exception to the two-project count. That exception does not remove the requirement to show that the work is a qualifying prototype or to satisfy the remaining limits and approvals.
What decision-makers should ask before choosing an instrument
- What, precisely, is new, and is demonstrating it the primary purpose?
- How does the prototype improve a military installation or facility and enhance mission effectiveness?
- Which version of § 4022 governs the proposed start date?
- Does the project fit the fiscal-year count, aggregate-value cap, funding authority, sunset, and other statutory conditions?
- Which activities are construction, testing, supplies, or services, and which are physically or functionally separable?
- What FAR 22.402 analysis is needed for covered or segregable construction work?
- What competition method will select participants, and what evidence will establish successful completion?
- Does the agreement reserve a lawful follow-on path, and has the agreements officer documented the required basis?
- Which approvals, counsel reviews, appropriations checks, and technical authorities must sign off?
Bottom line for defense construction
A prototype OT and a FAR-based construction contract solve different acquisition problems. Use the FAR procurement framework for ordinary construction unless the requirement is genuinely a qualifying prototype and a specific statutory authority supports an OT. Section 4022(i) creates a bounded facility-prototyping pilot—not a standing alternative for routine military construction. For a project that may fit, establish the innovation, statutory nexus, current limits, funding, labor treatment, competition plan, and follow-on conditions in the record before selecting the instrument.
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