Other Transaction Authority (OTA)

What is an “Other Transaction” 

Other Transactions (OTs) are procurement instruments other than contracts, grants, or cooperative agreements enabling flexible business arrangements generally used to acquire research and development, support technology advancement, or develop a prototype. Federal agencies have varying statutory authorizations for OT uses, limitation, and restrictions. See Agencies Authorized to Use OTs below for details.

Many laws and regulations governing federal contracts do not apply to OTs (e.g., Federal Acquisition Regulation (FAR) an agency supplements, Competition in Contracting Act (CICA), Cost Accounting Standards (CAS), Truth in Negotiations Act (TINA)), however, the Procurement Integrity Act applies and competitive practices are applicable to the maximum extend practicable. OTs are not subject to the procurement protest process (FAR Part 33), but may be protested to the U.S. Court of Federal Claims. GAO has limited jurisdiction to review OT decisions.

OTs are a mechanism to access innovative solutions, especially from *non-traditional contractors who may be challenged by requirements of traditional contracts, grants, or cooperative research and development agreements. OTs can be used with traditional contractors when applicable statutory requirements are met. OTs allow for flexibility to negotiate terms and conditions beyond what is permitted under statutes and regulations that apply to FAR-based contracts. OT agreements may be fixed-price, expenditure-based, or hybrid.

*32 CFR §3.4 defines a non-traditional defense contractor as a business unit that has not, for a period of at least one year prior to the date of the OT agreement, entered into or performed on (1)  any contract that is subject to full coverage under the cost accounting standards prescribed pursuant to section 26 of the Office of Federal Procurement Policy Act (41 U.S.C. 422) and the regulations implementing such section; or (2) any other contract in excess of $500,000 to carry out prototype projects or to perform basic, applied, or advanced research projects for a Federal agency, that is subject to the Federal Acquisition Regulation.

 

Agencies Authorized to Use OTs

Agencies must be explicitly authorized by Congress to use OTs and Government Contracting Officers must have Agreement Officer authority to award OTs. The following federal agencies currently have Congressional authorization for OTs:

 

Agency OT Authority Agency Specific OT Authority Uses, Limitations, or Restrictions Policy and Guidance
Dept of Commerce (DOC) 15 U.S.C. § 4659 No limitations or restrictions.  
National Oceanic and Atmospheric Administration (NOAA) 15 U.S.C. § 8531(d) Research and development activities to enhance effectiveness of data, satellite, and other observing systems to meet NOAA missions. NOAA OTA Policy and Procedures (April 2023)
Dept of Defense (DOD) 10 U.S.C. § 4021 Research projects to carry out basic, applied, and advanced research projects. Guide to Research Other Transactions Under 10 U.S.C. §4021 (September 2023)
10 U.S.C. § 4022 Prototype projects to enhance mission effectiveness of DoD personnel, platforms, systems, components, or materials.

DoD Other Transactions Guide (July 2023)

DoD Guide To Research Other Transactions Under 
10 U.S.C. §4021 (July 2023)

Dept of Energy (DOE) 42 U.S.C. § 7256 Authorizes use of 10 U.S.C. §4021 for research, development, and demonstration (RD&D) projects. DOE Guide to Other Transactions (August 2023)
Advanced Research Projects Agency – Energy (ARPA-E) 42 U.S.C. § 16538(f) Advanced technology projects in support of ARPA-E objectives.
Dept of Health & Human Services (HHS) 42 U.S.C. § 247d-7e Promote countermeasure and product advanced research and development, including establishing and maintaining domestic manufacturing surge capacity and capabilities.  
Centers for Disease Control (CDC) 42 U.S.C. § 242c(e) Infectious disease research, biosurveillance, infectious disease modeling, and public health preparedness and response.  
National Institutes of Health (NIH) 42 U.S.C. § 282(n) Projects to carry out Precision Medicine Initiative, Common Fund, and high impact cutting-edge research that  increases fundamental biological understanding leading to the prevention, diagnosis, or treatment of diseases and disorders, or research urgently required to respond to a public health threat. Other Transaction Award Policy Guide for NIH Precision Medicine Initiative Research Programs (November 2015)
NIH Other Transaction Award Policy Guide for Common Fund HuBMAP (March 2020)
NIH Other Transaction Guide for the SPARC Program (January 2017)
42 U.S.C. § 285(b)(3) Conduct National Heart, Lung, and Blood Institute (NHBLI) Director’s functions. NIH Other Transactions Policy Guide (May 2017)
42 U.S.C. § 284n Demonstration projects for high-impact, cutting-edge research that increases fundamental biological understanding leading to the prevention, diagnosis, and treatment of diseases and disorders.
42 U.S.C. § 287a(e)(3)(C) Projects to carry out Cures Acceleration.
Advanced Research Projects Agency for Health (ARPA-H) 42 U.S.C. § 290c(g) Authorizes use of 42 U.S.C. §247d–7e for advanced research and development.
Dept of Homeland Security (DHS) 6 U.S.C. § 391 Prototype projects leveraging 10 U.S.C. § 4022.  
Domestic Nuclear Detection Office (DNDO) 6 U.S.C. § 596 No limitations or restrictions.  
Transportation Security Agency (TSA) 49 U.S.C. § 114(m) Authorizes authority provided under 49 U.S.C. § 106(l).  
U.S. Coast Guard (USCG) 14 U.S.C. § 1158(a) Authorized for use to operate, test, and acquire cost-effective technology for meeting USCG mission needs.  
Dept of Transportation (DOT) 49 U.S.C. § 5312 Research, development, demonstration, to advance innovation of public transportation.  
Federal Aviation Administration (FAA) 49 U.S.C. § 106(l) No limitations or restrictions. FAA Other Transaction Guide (April 2023)
National Aeronautics & Space Administration (NASA) 51 U.S.C. § 20113(e) No limitations or restrictions. NASA Space Act Agreements Guide (December 2023)
National Science Foundation (NSF) 42 U.S.C. § 19116 Carry out activities of the Technology, Innovation, and Partnerships Directorate. Other Arrangements/Transactions Guide (April 2024)
Office of the Director of National Intelligence (ODNI) 50 U.S.C. § 3024(n)(5) Authorizes use of 10 U.S.C. § 4021 and 10 U.S.C. § 4022 for basic, applied, and advanced research projects and prototype projects.  
Office of the National Cyber Director (ONCD) 6 U.S.C. § 1500(e)(1)(F) Conduct the work of the ONCD.  

DoD Other Transactions

The Secretary of Defense signed the Directing Modern Software Acquisition to Maximize Lethality memorandum on 6 March 2025 directing the use of Commercial Solutions Openings and Other Transactions as the default
solicitation and award approaches for acquiring capabilities under the Software Acquisition Pathway.

 

Two types of Other Transaction Authority are available to the Department of Defense (DoD). The USD A&S Other Transactions Guide (v2.0 Jul 2023) provides conditions for use as well as guidance for planning and executing Research and Prototype OTs as well as follow-on Production OTs.

Research OTs – 10 U.S.C. §4021 are applicable for basic, applied, and advanced research projects to pursue development and application of dual-use technology. Unlike Prototype OTs, Research OTs do not include authority for transition to follow-on production contracts or transactions. Research OTs require cost sharing arrangements between the government and the other party/parties, typically split 50/50, although the ratio is negotiable based on resources, previous technological investments, commercial vs. government applicability, performance risk, and nature of a project. Although the Competition in Contracting Act (CICA) is not applicable, competition should be pursued to the maximum extent practicable to incentivize high quality and competitive pricing.

Prototype OTs – 10 U.S.C. §4022 are appropriate for research and development and prototyping activities to enhance mission effectiveness of military personnel and supporting platforms, systems, components, or materials. Prototype OTs may only be used to develop limited quantities of prototypes, however, they can provide a path to directly award a follow-on Production OT or contract without having to re-compete the effort. This is an important benefit of the Prototype OT approach, but programs must develop acquisition approaches for prototype projects that address anticipated follow-on activities to properly take advantage of this authorization and also ensure the organization is prepared and resourced to move forward with a successful prototype OT.

 

Prototype Project Definition

A prototype project addressing a proof of concept, model, reverse engineering to address obsolescence, pilot, novel application of commercial technologies for defense purposes, agile development activity, creation, design, development, demonstration of technical or operational utility, or combinations of the foregoing. A process, including a business process, may be the subject of a prototype project.

Source: USD A&S and USD R&E Memorandum, Definitions and Requirements for Other Transactions Under Title 10, United States Code, Section 2371b

Using Prototype OTs

One of the following conditions must be met to award a Prototype OT (Source: USD A&S and USD R&E Memorandum, Definitions and Requirements for Other Transactions Under Title 10, United States Code, Section 2371b):

  • At least one non-traditional defense contractor participates to significant extent or
  • All significant participants are small or non-traditional defense contractors or
  • One third of total cost provided by sources other than gov (if no non-traditional defense contractor participation) or
  • The Agency Senior Procurement Executive determines circumstances justify use of a transaction that provides for:
    • Innovative business arrangements not feasible or appropriate under a contract
    • Opportunity to expand defense supply base not practical or feasible under a contract

 

Conditions for Follow-on Production OT or Contract (Source: USD A&S and USD R&E Memorandum, Definitions and Requirements for Other Transactions Under Title 10, United States Code, Section 2371b)

Prototype OTs must specifically state the possibility for a follow-on production OT or contract in both the Prototype OT solicitation and the Prototype OT agreement. Non-competitive follow-on awards are limited to the participants in the OT prototype project and the following criteria must be satisfied:

  • Competitive procedures were used to select the parties to participate in the prototype project; and
  • Participants in the transaction successfully completed the prototype project provided for in the transaction

Prototype OTs must include defined conditions for the prototype agreement to be determined successfully completed and thereby eligible for a follow-on production award. Successful completion of a prototype project requires written determination by the responsible approving official stating the efforts under a Prototype OT satisfy the following criteria

  • Met the key technical goals of a project;
  • Satisfied success metrics incorporated into the Prototype OT; or
  • Accomplished a particularly favorable or unexpected result that justifies the transition to production


Approvals and Thresholds
(Source: USD A&S Memorandum Authority for Use of Other Transactions for Prototype Projects Under 10, United States Code, Section 2371b)

Approval authorities and thresholds for individual OT awards are as follows. Prototype OTs and follow-on Production OTs require separate approval

  Value of Individual OT Transaction
Organization Up to $100M $100M to $500M Over $500M
Commanding Officers of Combatant Commands (CCMD) Commanding Officer USD (R&D) or
USD (A&S)
USD (R&D) or USD (A&S)*
Defense Agencies (DA) and Field Activities (FA) with contracting authority; Defense Innovation Unit (DIU) Director USD (R&D) or
USD (A&S)
USD (R&D) or USD (A&S)*
Military Departments Senior Procurement Executive Senior Procurement Executive USD (R&D) or USD (A&S)*
DARPA and Missile Defense Agency Director Director USD (R&D) or USD (A&S)*
* An Under Secretary must also make a written determination in accordance with section 2371 b. Additionally, the Congress shall be notified at least 30 days before this authority is exercised The Office of the Under Secretary making the written determination is responsible for Congressional notification.

 

Required and Recommended Use of eBusiness Tools for OTs

Source: USD A&S Memo Required and Recommended Use of eBusiness Tools When Awarding and Administering Other Transactions

REQUIRED:

Federal Procurement Data System (FPDS) 

  1. Report each OT for Prototypes or Follow-on Production new award and any subsequent modifications in the Other Transaction module in FPDS within three (3) business days of the action being awarded.
  2. Report each Other Transaction for Research and any subsequent amendments in the FAADC module in FPDS within three (3) business days of the action being awarded.
  3. Report each Procurement for Experimental Purpose following the policies for the type of award being issued as described above.

System for Award Management (SAM) Entity Information/Reporting

  1. Include terms in the OT award that require the awardee to maintain an active registration for ‘All Awards’ in SAM throughout the life of the OT award. Components are encouraged to use a term substantially the same as the one found at FAR Clause 52.204-7.
  2. Before modifying the OT award to extend its period of performance (including prenegotiated options to extend), confirm that the OT awardee has an active SAM registration for All Awards.
  3. Include terms in the OT award to a Consortium that requires all of its member organizations to obtain and maintain UEIs for the purposes of statutory reporting requirements.
  4. Report the UEI of consortium members performing on individual orders under OT agreements in the FPDS OT module.

Government-Furnished Property (GFP) Module

  1. Include terms in the Other Transaction award, when government property will be provided (as described above) that require the Other Transaction awardee to use the GFP Module in PIEE to report the following transactions when they occur:
    a. Receipt of GFP
    b. Property loss
    c. Plant clearance
    Components are encouraged to use a term(s) substantially the same as those found at FAR Clause 52.245-1 and Defense FAR Supplement (DFARS) Clauses 252.245-7001 through -7004 and 252.211-7007.
  2. Create and approve GFP Attachments within the GFP Module.
  3. Use the GFP Module for tracking shipping of GFP.

Wide Area Workflow (WAWF) 

  1. Include in the OT awards the requirement for and instructions on how to use WAWF. Components are encouraged to use a term(s) substantially the same as those found at DFARS 252.232-7003 and 252.232-7006.
  2. Ensure that the language of the OT designates which activity is going to perform the acceptance and approval processes. Individuals performing these roles within that activity must establish a WAWF account with the appropriate role(s) for receipt,
    acceptance, and payment of invoices.
  3. Use WAWF for receiving and approving payment requests and for collecting and accepting evidence of performance except for classified transactions and when a purchase card is being used for payment.

Electronic Data Access 

  1. Ensure the agreement and all modifications are posted to EDA. This is sufficient to ensure the required distribution to payment office and contract administration offices.

Purpose Code Module (PCM) 

  1. Establish a PIEE account with the appropriate role(s) for PCM Purpose Code Manager. This can be done centrally or can be distributed.
  2. Ensure that the DoDAACs that are involved with issuing, administering, or paying the Other Transaction Agreement have the appropriate flags set in PCM.

 

RECOMMENDED:

System for Award Management Contract Opportunities 

  1. While FAR Part 5 requiring use of SAM for posting opportunity notices does not apply to OTs, it is recommended as a best practice for AOs to include a Contract Opportunities posting as a means to reach the maximum number of vendors in addition to other market research methods used.
  2. If a solicitation for a requirement, such as a broad agency announcement (BAA), could result in either an OT or FAR-based contract, then SAM Contract Opportunities should be used in addition to other solicitation mechanisms.

 

 

AVAILABLE:

Solicitation Portal

  1. The Solicitation Portal is not required by policy. However, it does provide a centralized location for sharing solicitations with industry and receiving proposals using standard data.

 

Direct OT Awards

Agencies with Other Transaction authority and Agreement Officers can execute OTs, but must establish processes to solicit, evaluate, negotiate, and award OT agreements. It is not advised to leverage FAR processes to execute OTs. There is not a single established process for executing OTs. Projects or programs seeking to use OTs may leverage white papers, demonstrations, competitive prototyping, phased down-selects, or any combination thereof to construct a strategy to achieve objectives.

For further guidance about planning and executing OT agreements, refer to agency specific OT guidance and training, as well as resources below.

OT Consortia

An OT Consortium is a relationship between a government sponsor and a collection of traditional and non-traditional vendors, non-profit organizations, and academia aligned to a technology domain area (i.e., cyber, space, undersea, propulsion) that are managed by a single entity, and focused on innovative solutions to government technology challenges that meet the intended scope and purpose of other transactions.

 

OT Consortium Model

OT Consortia generally have 3 components, although some government sponsors opt to manage a consortium in-house rather than hire an industry Consortium Manager or Consortium Management Firm. The Consortium Manager is awarded an OT agreement by the government (base OT agreement) and manages OTs awarded to its consortium member organizations (project OT agreements) under the base agreement.

 

consortium model graphic

 

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Consortium Sponsor (Government Sponsor and Contracting Office) 
Awards Other Transaction agreement to a Consortium Manager to execute administrative processes and workload (base OT agreement) for a specific technology domain area
Establishes consortium objectives and overarching guidelines to execute the consortium
Selects projects to be awarded to the consortium based on compatibility with consortium objectives and appropriateness of project for an OT award
Approves evaluation selection criteria and project OT award selection/s

 

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Consortium Manager (specifics will vary among consortia)
Establishes processes for consortium application, membership terms, collects membership fees/dues*
Executes consortium member agreements with each member organization
Collects a % of fee for each project OT awarded under the base OT agreement*
In collaboration with the government sponsor, supports government customers to: develop problem statements, requests for white papers, requests for prototype proposals (RFPPs), determine whether demos will be requested, develop phased selection processes, develop criteria to evaluate proposals, etc.
Communicates requests for white papers/RFPPs to consortium members, usually via internal website or portal (some announcements may be public, but the details are usually available only to consortium members)
Facilitates demos and other communication between consortium members and government customer; support demo evaluation and determinations to advance to next phase of selection process
Manages proposal evaluations and project OT agreement award selection/s, negotiations, and cost analysis (gov sponsor ultimately approves)
Manages post project OT agreement award administrative activities on behalf of government customer such as monitoring deliverables, invoice/payment tracking, and reporting (gov customer is responsible for day to day activities with contractor/s)
Maintains “library” of proposals not selected/not funded for potential future use for current gov customer or new gov customer
*membership fees/dues and % of fee for award vary among consortia. See Existing OT Consortia page for individual consortium information.

 

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The Consortium
A consortium is established to support a specific technology domain area (i.e., cyber, space, undersea, propulsion)
Consortium membership is open to qualifying US entities (varies by consortium):
– Traditional/non-traditional contractors
– Non-profit organizations
– Academic institutions
Some consortia open to foreign entities
Qualifying entities may join one or multiple consortia
Consortium members are subject to terms of membership, which may include an annual membership fee and a fixed-percentage fee applied to each project OT agreement awarded
Members typically have access to requests for white papers, requests for prototype proposals(RFPPs), etc. from government customers specific to the consortium
Some consortia managers may facilitate partnering opportunities among members
Members may be able to partner with other members to propose solutions
Traditional contractors must be prepared to meet cost-sharing requirements of other transaction authorities
Members may negotiate unique terms and conditions for individual projects
Members that receive project OT awards will be assessed a % of fee by the consortium manager in accordance with consortium terms and conditions

Pros and Cons of Consortia

 

Pros Cons
A pool of vendors aligned to consortium focus area (i.e., cyber, space, undersea, propulsion) promotes an environment for collaboration with the government and with other consortium members. Non-traditional vendors, non-profit organizations, and academic organizations may be challenged by the financial considerations of consortia membership due to fees and % of award fees charged by consortia.
Consortia execute OT agreements which allow for a more collaborative process than traditional FAR processes that are bound by rigid source selection statutes and regulations. Some consortia are in high demand by government customers and are thereby resource constrained. This can due to volume of work for the consortium or by the availability of the assigned government contracting office.
Consortia have established streamlined processes that quickly move through white papers, demos, proposals, evaluations, and selections and often execute awards more quickly than traditional government acquisition programs. Many consortia do not award follow-on production activities.

 

 

Sample organizations in each component of the OT Consortium Model

for illustrative purposes only | all organizations not represented

consortia model graphic

Questions to Ask when Shaping an OT Strategy

  • Does the agency currently have Congressional authorization for OTs?
  • Will the organization’s approval authorities grant permission to use an OT? What additional information is necessary to gain their approval?
  • How will the funding arrangements work (timing, amounts, color of money, etc.)? When are funds available?
  • Does the organization have experience with OTs and a warranted Agreements Officer?

Resources