SpendQueryBeta

48 CFR · Federal Acquisition Regulation and Defense supplement

FAR and DFARS navigator

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.

Ask the FAR

Try: · · ·

Clear

29 sections with “Changes—Cost-Reimbursement”

  • FAR 52.243-2 Changes—Cost-Reimbursement.
    …rt the following clause. The 30-day period may be varied according to agency procedures. Changes—Cost-Reimbursement (AUG 1987) (a) The Contracting Officer may at any time, by written order, and without notice to the sureties, if any, make…
  • FAR 43.205 Contract clauses.
    (a)(1) The contracting officer shall insert the clause at 52.243-1, Changes—Fixed-Price, in solicitations and contracts when a fixed-price contract for supplies is contemplated. (2) If the requirement is for services, other than architect-…
  • 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 42.302 Contract administration functions.
    …ernment property— (i) Evaluate the contractor's requests for Government property and for changes to existing Government property and provide appropriate recommendations to the contracting officer; (ii) Ensure required screening of Governm…
  • FAR 52.243-7 Notification of Changes.
    As prescribed in 43.107, insert the following clause: Notification of Changes (JAN 2017) (a) Definitions. Contracting Officer, as used in this clause, does not include any representative of the Contracting Officer. Specifically Authoriz…
  • FAR 15.404-1 Proposal analysis techniques.
    …, or requiring minor modifications for commercial products, to ascertain the magnitude of changes required and to assist in pricing the required changes. (iii) Use of parametric estimating methods/application of rough yardsticks (such as d…
  • FAR 52.245-1 Government Property.
    …r has the option to take over under any type of contract, e.g., as a result either of any changes in the specifications or plans thereunder or of the termination of the contract (or subcontract thereunder), before completion of the work, fo…
  • FAR 52.215-23 Limitations on Pass-Through Charges.
    … of the contract or a subcontract. It includes but is not limited to purchase orders, and changes and modifications to purchase orders. Subcontractor, as defined in FAR 44.101, means any supplier, distributor, vendor, or firm that furnishe…
  • FAR 52.230-6 Administration of Cost Accounting Standards.
    …s and subcontracts. (B) Flexibly-priced contracts and subcontracts. (ii) For unilateral changes, the increased or decreased costs to the Government for each of the following groups: (A) Fixed-price contracts and subcontracts. (B) Flexib…
  • FAR 52.248-1 Value Engineering.
    …d collateral costs, exclusive of acquisition savings, whether or not the acquisition cost changes. Contracting office includes any contracting office that the acquisition is transferred to, such as another branch of the agency or another a…
  • FAR 2.101 Definitions.
    …er, signed by the contracting officer, directing the contractor to make a change that the Changes clause authorizes the contracting officer to order without the contractor's consent. Chief Acquisition Officer means an executive level acqui…
  • FAR 32.001 Definitions.
    …the terms of the existing contract, such as contract modifications issued pursuant to the Changes clause, or funding and other administrative changes. Contract financing payment means an authorized Government disbursement of monies to a co…
  • FAR 32.407 Interest.
    …U.S.C. App. 1215(b)(2). (b) The interest rate for advance payments shall be adjusted for changes in the prime rate of the depository and the semiannual determination by the Secretary of the Treasury under 50 U.S.C. App. 1215(b)(2). The con…
  • FAR 42.705-3 Educational institutions.
    … of the institution's indirect costs and bases over a period of years and any anticipated changes in the amount of the direct and indirect costs. (3) Unless their use is approved at a level in the agency (see subparagraph (a)(2) above) hig…
  • FAR 43.201 General.
    (a) Generally, Government contracts contain a changes clause that permits the contracting officer to make unilateral changes, in designated areas, within the general scope of the contract. These are accomplished by issuing written change or…
  • FAR 52.232-12 Advance Payments.
    …ficer shall revise the daily interest rate during the contract period in keeping with any changes in the cited interest rates. (4) If the full amount of interest charged under this paragraph has not been paid by deduction or otherwise upon…
  • FAR 52.232-16 Progress Payments.
    …nd under the terms of the contract, such as contract modifications issued pursuant to the Changes clause, or funding and other administrative changes. This limitation shall apply to the costs incurred, as computed in accordance with paragra…
  • FAR 52.248-3 Value Engineering—Construction.
    …d collateral costs, exlcusive of acquisition savings, whether or not the acquisition cost changes. Contractor's development and implementation costs, as used in this clause, means those costs the Contractor incurs on a VECP specifically in…
  • FAR 15.407-1 Defective certified cost or pricing data.
    …is reported in accordance with 42.1503(h). Agencies shall ensure updated information that changes a contracting officer's prior final determination is reported into the FAPIIS module of Contractor Performance Assessment Reporting System (CP…
  • FAR 16.104 Factors in selecting contract types.
    …x research and development contracts, when performance uncertainties or the likelihood of changes makes it difficult to estimate performance costs in advance. As a requirement recurs or as quantity production begins, the cost risk should sh…
  • FAR 16.306 Cost-plus-fixed-fee contracts.
    …ontract. The fixed fee does not vary with actual cost, but may be adjusted as a result of changes in the work to be performed under the contract. This contract type permits contracting for efforts that might otherwise present too great a ri…
  • FAR 16.505 Ordering.
    …ctors could be encouraged to respond to potential orders by outreach efforts to promote exchanges of information, such as— (i) Seeking comments from two or more contractors on draft statements of work; or (ii) Using a multiphased approach…
  • FAR 31.103 Contracts with commercial organizations.
    …etermination of price redetermination contracts (see 16.205 and 16.206); and (6) Pricing changes and other contract modifications.
  • FAR 31.105 Construction and architect-engineer contracts.
    …nated contracts; (4) Price revision of fixed-price incentive contracts; and (5) Pricing changes and other contract modifications. (d) Except as otherwise provided in this paragraph (d), the allowability of costs for construction and arch…
  • FAR 49.002 Applicability.
    … this part in determining an equitable adjustment resulting from a modification under the Changes clause of any contract, except cost-reimbursement contracts. (d) When action to be taken or authority to be exercised under this part depends…
  • FAR 52.216-7 Allowable Cost and Payment.
    …M) Listing of decisions/agreements/approvals and description of accounting/organizational changes. (N) Certificate of final indirect costs (see 52.242-4, Certification of Final Indirect Costs). (O) Contract closing information for contrac…
  • FAR 52.244-2 Subcontracts.
    …prime contract or a subcontract. It includes, but is not limited to, purchase orders, and changes and modifications to purchase orders. (b) When this clause is included in a fixed-price type contract, consent to subcontract is required onl…
  • DFARS 225.870-4 Contracting procedures.
    …of the contract, provided the Corporation's approval is obtained on any matters involving changes to the contract. (c) Requirement for data other than certified cost or pricing data. (1) DoD has waived the requirement for submission of cer…
  • DFARS 252.242-7004 Material Management and Accounting System.
    …shed MMAS policies, procedures, and operating instructions; and (3) Disclose significant changes in its MMAS to the ACO at least 30 days prior to implementation. (d) System criteria. The MMAS shall have adequate internal controls to ensur…

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.