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48 CFR · Federal Acquisition Regulation and Defense supplement

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The codified text (eCFR, as of 2026-10-02). Under the Revolutionary FAR Overhaul ↗, agencies follow class deviations with new text for many parts while the formal rules go through the Federal Register: check the solicitation and your contract's clauses, which rule.

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32 sections with “consultant”

  • FAR 31.205-33 Professional and consultant service costs.
    (a) Definition. Professional and consultant services, as used in this subsection, means those services rendered by persons who are members of a particular profession or possess a special skill and who are not officers or employees of the co…
  • FAR 52.244-4 Subcontractors and outside associates and consultants (Architect-engineer services).
    …bed in 44.204(b), insert the following clause: Subcontractors and Outside Associates and Consultants (Architect-Engineer Services) (AUG 1998) Any subcontractors and outside associates or consultants required by the Contractor in connectio…
  • DFARS 237.104 Personal services contracts.
    (b)(i) Authorization to acquire the personal services of experts and consultants is included in 10 U.S.C. 129b. Personal service contracts for expert and consultant services must also be authorized by a determination and findings (D&F) in a…
  • FAR 9.505-4 Obtaining access to proprietary information.
    …btain proprietary and source selection information by acquiring the services of marketing consultants which, if used in connection with an acquisition, may give the contractor an unfair competitive advantage. Contractors should make inquiri…
  • FAR 9.501 Definition.
    Marketing consultant, as used in this subpart, means any independent contractor who furnishes advice, information, direction, or assistance to an offeror or any other contractor in support of the preparation or submission of an offer for a …
  • FAR 31.205-47 Costs related to legal and other proceedings.
    …ether performed by in-house or private counsel; the costs of the services of accountants, consultants, or others retained by the contractor or subcontractor to assist it; costs of employees, officers, and directors; and any similar costs in…
  • FAR 33.104 Protests to GAO.
    …, exclusive of profit, of filing and pursuing the protest, including reasonable attorney, consultant, and expert witness fees, and bid and proposal preparation costs. The agency shall use funds available for the procurement to pay the costs…
  • FAR 37.104 Personal services contracts.
    …legal counsel. (f) Personal services contracts for the services of individual experts or consultants are limited by the Classification Act. In addition, the Office of Personnel Management has established requirements which apply in acquiri…
  • FAR 3.104-3 Statutory and related prohibitions, restrictions, and requirements.
    …been awarded a competitive or sole source contract, as an employee, officer, director, or consultant of the contractor within a period of 1 year after such former official— (i) Served, at the time of selection of the contractor or the awar…
  • FAR 3.601 Policy.
    …ment employees (as defined in 18 U.S.C. 202) performing services as experts, advisors, or consultants, or as members of advisory committees, are not considered Government employees unless— (1) The contract arises directly out of the indivi…
  • FAR 3.803 Exceptions.
    …fficers or employees of a person requesting or receiving a covered Federal action include consultants and trade associations. (iii) As used in paragraph (a)(2) of this section “professional and technical services” are limited to advice and…
  • FAR 3.901 Definitions.
    …hase orders. Subcontractor means any supplier, distributor, vendor, or firm (including a consultant) that furnishes supplies or services to or for a prime contractor or another subcontractor.
  • FAR 9.502 Applicability.
    …t are more likely to occur in contracts involving— (1) Management support services; (2) Consultant or other professional services; (3) Contractor performance of or assistance in technical evaluations; or (4) Systems engineering and tech…
  • FAR 9.505-1 Providing systems engineering and technical direction.
    …ntract to supply the system or any of its major components; or (2) Be a subcontractor or consultant to a supplier of the system or any of its major components. (b) Systems engineering includes a combination of substantially all of the fol…
  • FAR 9.508 Examples.
    …e system and process the applications. Contractor X should be prohibited from acting as a consultant to any of the applicants during its period of performance and for a reasonable period thereafter.
  • FAR 15.408 Solicitation provisions and contract clauses.
    …e included in the categories described above (e.g., special tooling, travel, computer and consultant services, preservation, packaging and packing, spoilage and rework, and Federal excise tax on finished articles) and provide bases for pric…
  • FAR 31.001 Definitions.
    …ims, actuarial fees, and service fees paid to insurance companies, trustees, or technical consultants. Intangible capital asset means an asset that has no physical substance, has more than minimal value, and is expected to be held by an en…
  • FAR 31.105 Construction and architect-engineer contracts.
    … in 31.109, for such items as home office overhead, partners' compensation, employment of consultants, and equipment usage costs, are particularly important in construction and architect-engineer contracts. When appropriate they serve to ex…
  • FAR 31.205-21 Labor relations costs.
    …of— (1) Preparing and distributing materials; (2) Hiring or consulting legal counsel or consultants; (3) Meetings (including paying the salaries of the attendees at meetings held for this purpose); and (4) Planning or conducting activit…
  • FAR 31.205-27 Organization costs.
    …n fees and costs of attorneys, accountants, brokers, promoters and organizers, management consultants and investment counselors, whether or not employees of the contractor. Unallowable reorganization costs include the cost of any change in …
  • FAR 32.703-3 Contracts crossing fiscal years.
    …be subdivided for separate performance in each fiscal year (e.g., contracts for expert or consultant services). (b) The head of an executive agency, except NASA, may enter into a contract, exercise an option, or place an order under a cont…
  • FAR 36.606 Negotiations.
    …tion topic. The clause prescribed at 44.204(b), Subcontractors and Outside Associates and Consultants (Architect-Engineer Services) (see 52.244-4), limits a firm's subcontracting to firms agreed upon during negotiations. (f) If a mutually …
  • FAR 44.204 Contract clauses.
    …ting officer may insert the clause at 52.244-4, Subcontractors and Outside Associates and Consultants (Architect-Engineer Services), in architect-engineer contracts. (c) The contracting officer shall, when contracting by negotiation, inser…
  • FAR 47.402 Policy.
    Federal employees and their dependents, consultants, contractors, grantees, and others must use U.S.-flag air carriers for U.S. Government-financed international air travel and transportation of their personal effects or property, if availa…
  • FAR 52.203-12 Limitation on Payments to Influence Certain Federal Transactions.
    …fficers or employees of a person requesting or receiving a covered Federal action include consultants and trade associations. (iii) As used in paragraph (c)(2) of this clause, “professional and technical services” are limited to advice and…
  • FAR 52.203-19 Prohibition on Requiring Certain Internal Confidentiality Agreements or Statements.
    …hase orders. Subcontractor means any supplier, distributor, vendor, or firm (including a consultant) that furnishes supplies or services to or for a prime contractor or another subcontractor. (b) The Contractor shall not require its emplo…
  • DFARS 204.7401 Definitions.
    …tion. Litigation support contractor means a contractor (including its experts, technical consultants, subcontractors, and suppliers) providing litigation support under a contract that contains the clause at 252.204-7014, Limitations on the…
  • DFARS 237.106 Funding and term of service contracts.
    (1) Personal service contracts for expert or consultant services shall not exceed 1 year. The nature of the duties must be— (i) Temporary (not more than 1 year); or (ii) Intermittent (not cumulatively more than 130 days in 1 year). (2) T…
  • DFARS 252.203-7001 Prohibition on Persons Convicted of Fraud or Other Defense-Contract-Related Felonies.
    …ry capacity on this contract; (2) On the board of directors of the Contractor; (3) As a consultant, agent, or representative for the Contractor; or (4) In any other capacity with the authority to influence, advise, or control the decisio…
  • DFARS 252.204-7014 Limitations on the Use or Disclosure of Information by Litigation Support Contractors.
    …tion. Litigation support contractor means a contractor (including its experts, technical consultants, subcontractors, and suppliers) providing litigation support under a contract that contains this clause. Sensitive information means cont…
  • DFARS 252.204-7015 Notice of Authorized Disclosure of Information for Litigation Support.
    …tion. Litigation support contractor means a contractor (including its experts, technical consultants, subcontractors, and suppliers) providing litigation support under a contract that contains the clause at 252.204-7014, Limitations on the…
  • DFARS 252.235-7004 Protection of Human Subjects.
    …ties or classes of research are covered or are exempt under the contract. (d) DoD staff, consultants, and advisory groups may independently review and inspect the Contractor's research and research procedures involving human subjects and, …

FAR (chapter 1)

DFARS (chapter 2, Defense)

Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.