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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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141 sections with “contracting officer's representative (COR)”: the first 40

  • FAR 1.604 Contracting Officer's Representative (COR).
    A contracting officer's representative (COR) assists in the technical monitoring or administration of a contract (see 1.602-2(d)). The COR shall maintain a file for each assigned contract. The file must include, at a minimum— (a) A copy of…
  • DFARS 252.201-7000 Contracting officer's representative.
    As prescribed in 201.602-70, use the following clause: Contracting Officer's Representative (DEC 1991) (a) Definition. Contracting officer's representative means an individual designated in accordance with subsection 201.602-2 of the Defe…
  • FAR 4.403 Responsibilities of contracting officers.
    (a) Presolicitation phase. Contracting officers shall review all proposed solicitations to determine whether access to classified information may be required by offerors, or by a contractor during contract performance. (1) If access to cla…
  • FAR 19.705-6 Postaward responsibilities of the contracting officer.
    After a contract or contract modification containing a subcontracting plan is awarded or an existing subcontracting plan is amended, the contracting officer shall do the following: (a) Notify the SBA of the award by sending a copy of the a…
  • FAR 19.402 Small Business Administration procurement center representatives.
    (a)(1) The SBA may assign one or more procurement center representatives (PCRs) to any contracting activity or contract administration office to carry out SBA policies and programs. Assigned SBA PCRs are required to comply with the contract…
  • FAR 19.705-4 Reviewing the subcontracting plan.
    The contracting officer shall review the subcontracting plan for adequacy, ensuring that the required information, goals, and assurances are included (see 19.704). (a) No detailed standards apply to every subcontracting plan. Instead, the …
  • FAR 19.705-5 Awards involving subcontracting plans.
    (a) In making an award that requires a subcontracting plan, the contracting officer shall be responsible for the following: (1) Consider the contractor's compliance with the subcontracting plans submitted on previous contracts as a factor …
  • FAR 52.215-2 Audit and Records—Negotiation.
    …determinable contract, or any combination of these, the Contractor shall maintain and the Contracting Officer, or an authorized representative of the Contracting Officer, shall have the right to examine and audit all records and other evide…
  • FAR 52.219-9 Small Business Subcontracting Plan.
    As prescribed in 19.708(b), insert the following clause: Small Business Subcontracting Plan (JAN 2025) (a) This clause does not apply to small business concerns. (b) Definitions. As used in this clause— Alaska Native Corporation (ANC) m…
  • FAR 52.222-8 Payrolls and Basic Records.
    …eekly for each week in which any contract work is performed a copy of all payrolls to the Contracting Officer. The payrolls submitted shall set out accurately and completely all of the information required to be maintained under paragraph (…
  • FAR 1.602-2 Responsibilities.
    Contracting officers are responsible for ensuring performance of all necessary actions for effective contracting, ensuring compliance with the terms of the contract, and safeguarding the interests of the United States in its contractual rel…
  • FAR 2.101 Definitions.
    …rights and obligations of the parties. Change order means a written order, signed by the contracting officer, directing the contractor to make a change that the Changes clause authorizes the contracting officer to order without the contrac…
  • FAR 1.602-3 Ratification of unauthorized commitments.
    …nel. (2) Subject to the limitations in paragraph (c) of this subsection, the head of the contracting activity, unless a higher level official is designated by the agency, may ratify an unauthorized commitment. (3) The ratification authori…
  • FAR 3.502-2 Subcontractor kickbacks.
    …ontractor employee provides, accepts, or charges a kickback. (d) Provides that— (1) The contracting officer may offset the amount of a kickback against monies owed by the United States to the prime contractor under the prime contract to w…
  • FAR 9.104-7 Solicitation provisions and contract clauses.
    (a) The contracting officer shall insert the provision at 52.209-5, Certification Regarding Responsibility Matters, in solicitations where the contract value is expected to exceed the simplified acquisition threshold. (b) The contracting o…
  • FAR 15.404-2 Data to support proposal analysis.
    (a) Field pricing assistance. (1) The contracting officer should request field pricing assistance when the information available at the buying activity is inadequate to determine a fair and reasonable price. The contracting officer shall ta…
  • FAR 15.407-4 Should-cost review.
    …, and management. These reviews are accomplished by a multi-functional team of Government contracting, contract administration, pricing, audit, and engineering representatives. The objective of should-cost reviews is to promote both short a…
  • FAR 15.408 Solicitation provisions and contract clauses.
    (a) Changes or Additions to Make-or-Buy Program. The contracting officer shall insert the clause at 52.215-9, Changes or Additions to Make-or-Buy Program, in solicitations and contracts when it is contemplated that a make-or- buy program wi…
  • FAR 19.201 General policy.
    …ll Business Administration (SBA) counsels and assists small business concerns and assists contracting personnel to ensure that a fair proportion of contracts for supplies and services is placed with small business. (b) Heads of contracting…
  • FAR 19.501 General.
    …ve shall not be used when the acquisition can be set aside, in total or in part. (b) The contracting officer makes the determination to make a small business set-aside, in total or in part, or a reserve. The Small Business Administration (…
  • FAR 19.815 Release and notification requirements for non-8(a) procurement.
    …w-on, non-8(a) procurement, (other than a mandatory source listed at 8.002 or 8.003), the contracting officer shall make a written request to, and receive concurrence from, the SBA Associate Administrator for Business Development. (c)(1) T…
  • FAR 19.1505 Set-aside procedures.
    (a) The contracting officer— (1) Shall comply with 19.203 before deciding to set aside an acquisition under the WOSB Program; and (2)(i) May set aside acquisitions exceeding the micro-purchase threshold for competition restricted to EDWOS…
  • FAR 22.406-3 Additional classifications.
    …assification that is not listed in the wage determination applicable to the contract, the contracting officer, pursuant to the clause at 52.222-6, Construction Wage Rate Requirements, shall require that the contractor submit to the contract…
  • FAR 22.1905 Enforcement of Executive Order Minimum Wage Requirements.
    …ions required by Section 4 of the E.O., has assigned this authority to the Administrator. Contracting agencies do not have authority to conduct compliance investigations under 29 CFR part 10 or part 23 as implemented in this subpart. This d…
  • FAR 22.2109 Enforcement of Executive Order 13706 paid sick leave requirements.
    …the E.O., has assigned this authority to the Administrator of the Wage and Hour Division. Contracting agencies do not have authority to conduct compliance investigations under 29 CFR part 13 as implemented in this subpart. This does not lim…
  • FAR 27.305-2 Administration by the Government.
    …use referenced in 27.304-2 should be coordinated with the appropriate agency. (b)(1) The contracting officer administering the contract (or other representative specifically designated in the contract for this purpose) is responsible for r…
  • FAR 31.201-6 Accounting for unallowable costs.
    …ly associated costs of unallowable costs as a result of a written decision furnished by a contracting officer shall be identified if included in or used in computing any billing, claim, or proposal applicable to a Government contract. This …
  • FAR 32.411 Agreement for special account at a financial institution.
    The contracting officer must use substantially the following form of agreement for a special account for advance payments: Agreement for Special Account This agreement is entered into this ____ day of ____________, 20____, between the Uni…
  • FAR 32.604 Demand for payment.
    (a) Except as provided in paragraph (c) of this section, the contracting officer shall take the following actions: (1) Issue the demand for payment as soon as the contracting officer has determined that an actual debt is due the Government…
  • FAR 32.607-2 Deferment of collection.
    (a) All requests for deferment of collection must be submitted in writing to the contracting officer. (1) If the contractor has appealed the debt under the procedures of the Disputes clause of the contract, the information with the request…
  • FAR 36.513 Accident prevention.
    (a) The contracting officer shall insert the clause at 52.236-13, Accident Prevention, in solicitations and contracts when a fixed-price construction contract or a fixed-price dismantling, demolition, or removal of improvements contract is …
  • FAR 42.1503 Procedures.
    …tem shall— (i) Generally provide for input to the evaluations from the technical office, contracting office, program management office, and, where appropriate, quality assurance and end users of the product or service; (ii) Identify and a…
  • FAR 52.212-3 Offeror Representations and Certifications—Commercial Products and Commercial Services.
    …ns equipment or services has the meaning provided in the clause 52.204-25, Prohibition on Contracting for Certain Telecommunications and Video Surveillance Services or Equipment. Economically disadvantaged women-owned small business (EDWOS…
  • FAR 52.212-4 Contract Terms and Conditions—Commercial Products and Commercial Services.
    … unusually severe weather, and delays of common carriers. The Contractor shall notify the Contracting Officer in writing as soon as it is reasonably possible after the commencement of any excusable delay, setting forth the full particulars …
  • FAR 52.212-5 Contract Terms and Conditions Required To Implement Statutes or Executive Orders—Commercial Products and Commercial Services.
    …iations acts (and as extended in continuing resolutions)). (2) 52.204-23, Prohibition on Contracting for Hardware, Software, and Services Developed or Provided by Kaspersky Lab Covered Entities (DEC 2023) (Section 1634 of Pub. L. 115-91). …
  • FAR 52.214-26 Audit and Records—Sealed Bidding.
    … or pricing data in connection with the pricing of any modification to this contract, the Contracting Officer, or an authorized representative of the Contracting Officer, in order to evaluate the accuracy, completeness, and currency of the …
  • FAR 52.215-1 Instructions to Offerors—Competitive Acquisition.
    …are negotiations that occur after establishment of the competitive range that may, at the Contracting Officer's discretion, result in the offeror being allowed to revise its proposal. In writing, writing, or written means any worded or num…
  • FAR 52.215-20 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.
    …for exception by submitting the information described in the following subparagraphs. The Contracting Officer may require additional supporting information, but only to the extent necessary to determine whether an exception should be grante…
  • FAR 52.215-21 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data—Modifications.
    …he remaining term of the contract, unless there is a subsequent threshold adjustment. The Contracting Officer may require additional supporting information, but only to the extent necessary to determine whether an exception should be grante…
  • FAR 52.215-23 Limitations on Pass-Through Charges.
    … Added value means that the Contractor performs subcontract management functions that the Contracting Officer determines are a benefit to the Government (e.g., processing orders of parts or services, maintaining inventory, reducing delivery…

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.