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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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20 sections with “consultants”

  • 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…
  • 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 31.205-33 Professional and consultant service costs.
    …services and details of actual services performed; (2) Invoices or billings submitted by consultants, including sufficient detail as to the time expended and nature of the actual services provided; and (3) Consultants' work products and r…
  • 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…
  • 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 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 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 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 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…
  • 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 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.