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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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41 sections with “reasonable times”: the first 40

  • FAR 31.205-46 Travel costs.
    …actual costs incurred, or on a combination thereof, provided the method used results in a reasonable charge. Costs for lodging, meals, and incidental expenses may be based on per diem, actual expenses, or a combination thereof, provided the…
  • FAR 52.245-1 Government Property.
    …ernment property includes, but is not limited to— (1) Items that cannot be found after a reasonable search; (2) Theft; (3) Damage resulting in unexpected harm to property requiring repair to restore the item to usable condition; or (4) …
  • FAR 52.249-2 Termination for Convenience of the Government (Fixed-Price).
    …t to be paid or remaining to be paid because of the termination. The amount may include a reasonable allowance for profit on work done. However, the agreed amount, whether under this paragraph (f) or paragraph (g) of this clause, exclusive …
  • FAR 52.249-3 Termination for Convenience of the Government (Dismantling, Demolition, or Removal of Improvements).
    …or any part of the amount to be paid because of the termination. The amount may include a reasonable allowance for profit on work done. However, the agreed amount, whether under this paragraph (f) or paragraph (g) of this clause, exclusive …
  • FAR 52.212-4 Contract Terms and Conditions—Commercial Products and Commercial Services.
    …supplies or services. The Government must exercise its postacceptance rights (1) within a reasonable time after the defect was discovered or should have been discovered; and (2) before any substantial change occurs in the condition of the i…
  • FAR 52.215-2 Audit and Records—Negotiation.
    …n performance of this contract. This right of examination shall include inspection at all reasonable times of the Contractor's plants, or parts of them, engaged in performing the contract. (c) Certified cost or pricing data. If the Contrac…
  • FAR 52.216-7 Allowable Cost and Payment.
    …r may submit to an authorized representative of the Contracting Officer, in such form and reasonable detail as the representative may require, an invoice or voucher supported by a statement of the claimed allowable cost for performing this …
  • FAR 52.241-5 Contractor's Facilities.
    …ives of the Contractor will be allowed access to the facilities on Government premises at reasonable times to perform the obligations of the Contractor regarding such facilities. It is expressly understood that the Government may limit or r…
  • FAR 52.246-2 Inspection of Supplies—Fixed-Price.
    …rnish, and shall require subcontractors to furnish, at no increase in contract price, all reasonable facilities and assistance for the safe and convenient performance of these duties. Except as otherwise provided in the contract, the Govern…
  • FAR 32.411 Agreement for special account at a financial institution.
    … and records maintained by the financial institution regarding the Special Account at all reasonable times and for all reasonable purposes, including (but not limited to), the inspection or copying of the books and records and any and all p…
  • FAR 52.227-11 Patent Rights—Ownership by the Contractor.
    …are, to the extent permitted by law or Government regulations, available to the public on reasonable terms. Subject invention means any invention of the Contractor made in the performance of work under this contract. (b) Contractor's righ…
  • FAR 52.246-8 Inspection of Research and Development—Cost-Reimbursement.
    …bcontractor, the Contractor shall furnish and shall require subcontractors to furnish all reasonable facilities and assistance for the safe and convenient performance of these duties. (e) Unless otherwise provided in the contract, the Gove…
  • FAR 52.246-9 Inspection of Research and Development (Short Form).
    … performed under the contract, and the premises where the work is being performed, at all reasonable times and in a manner that will not unduly delay the work. If the Government performs inspection or evaluation on the premises of the Contr…
  • FAR 52.246-14 Inspection of Transportation.
    …the right to inspect and test the Contractor's services, facilities, and equipment at all reasonable times. The Contractor shall furnish Government representatives with the free access and reasonable facilities and assistance required to ac…
  • FAR 52.204-30 Federal Acquisition Supply Chain Security Act Orders—Prohibition.
    …of Congress to be kept classified in the interest of national defense or foreign policy. Reasonable inquiry means an inquiry designed to uncover any information in the entity's possession about the identity of any covered articles, or any …
  • FAR 52.212-5 Contract Terms and Conditions Required To Implement Statutes or Executive Orders—Commercial Products and Commercial Services.
    … related to this contract. (2) The Contractor shall make available at its offices at all reasonable times the records, materials, and other evidence for examination, audit, or reproduction, until 3 years after final payment under this cont…
  • FAR 52.214-26 Audit and Records—Sealed Bidding.
    …transactions. (d) Availability. The Contractor shall make available at its office at all reasonable times the materials described in paragraph (b) of this clause, for examination, audit, or reproduction, until 3 years after final payment u…
  • FAR 52.216-4 Economic Price Adjustment—Labor and Material.
    …ng data relevant to the cost of labor (including fringe benefits) and material during all reasonable times until the end of 3 years after the date of final payment under this contract or the time periods specified in subpart 4.7 of the Fede…
  • FAR 52.246-3 Inspection of Supplies—Cost-Reimbursement.
    …bcontractor, the Contractor shall furnish and shall require subcontractors to furnish all reasonable facilities and assistance for the safe and convenient performance of these duties. (e) Unless otherwise specified in the contract, the Gov…
  • FAR 52.246-6 Inspection—Time-and-Material and Labor-Hour.
    …bcontractor, the Contractor shall furnish and shall require subcontractors to furnish all reasonable facilities and assistance for the safe and convenient performance of these duties. (e) Unless otherwise specified in the contract, the Gov…
  • FAR 52.246-7 Inspection of Research and Development—Fixed-Price.
    …urnish and shall require subcontractors to furnish, at no increase in contract price, all reasonable facilities and assistance for the safe and convenient performance of these duties. Except as otherwise provided in the contract, the Govern…
  • FAR 52.246-12 Inspection of Construction.
    …racting Officer and is subject to Government inspection and test at all places and at all reasonable times before acceptance to ensure strict compliance with the terms of the contract. (c) Government inspections and tests are for the sole …
  • DFARS 252.217-7005 Inspection and manner of doing work.
    …a welder shall be as specified in the job order. (e) The Contractor shall— (1) Exercise reasonable care to protect the vessel from fire; (2) Maintain a reasonable system of inspection over activities taking place in the vicinity of the v…
  • DFARS 252.222-7003 Permit from Italian Inspectorate of Labor.
    …tober 23, 1960. The Contractor shall ensure that a copy of the permit is available at all reasonable times for inspection by the Contracting Officer or an authorized representative. Failure to obtain such permit may result in termination of…
  • DFARS 252.222-7004 Compliance with Spanish social security laws and regulations.
    …cuments identified in paragraph (a)(1) through (a)(5) of this clause are available at all reasonable times for inspection by the Contracting Officer or an authorized representative. The Contractor shall retain the records in accordance with…
  • DFARS 252.223-7007 Safeguarding Sensitive Conventional Arms, Ammunition, and Explosives.
    …(DCSA), and representatives of other appropriate offices of the Government, access at all reasonable times into its facilities and those of its subcontractors, for the purpose of performing surveys, inspections, and investigations necessary…
  • DFARS 252.239-7002 Access.
    …o military security regulations, the Government shall permit the Contractor access at all reasonable times to Contractor furnished facilities. However, if the Government is unable to permit access, the Government at its own risk and expense…
  • FAR 4.2301 Definitions.
    …of Congress to be kept classified in the interest of national defense or foreign policy. Reasonable inquiry means an inquiry designed to uncover any information in the entity's possession about the identity of any covered articles, or any …
  • FAR 32.503-6 Suspension or reduction of payments.
    … eliminated. (d) Excessive inventory. If the inventory allocated to the contract exceeds reasonable requirements (including a reasonable accumulation of inventory for continuity of operations), the contracting officer should, in addition t…
  • FAR 52.227-13 Patent Rights—Ownership by the Government.
    …are, to the extent permitted by law or Government regulations, available to the public on reasonable terms. Subject invention, means any invention of the Contractor made in the performance of work under this contract. (b) Ownership—(1) As…
  • DFARS 252.227-7038 Patent Rights—Ownership by the Contractor (Large Business).
    …are, to the extent permitted by law or Government regulations, available to the public on reasonable terms. Subject invention means any invention of the Contractor made in the performance of work under this contract. (b) Contractor's righ…
  • FAR 5.203 Publicizing and response time.
    …officer must establish a solicitation response time that will afford potential offerors a reasonable opportunity to respond to each proposed contract action, (including actions where the notice of proposed contract action and solicitation i…
  • FAR 16.104 Factors in selecting contract types.
    …ible impact upon costs be identified and evaluated, so that a contract type that places a reasonable degree of cost responsibility upon the contractor can be negotiated. (d) Type and complexity of the requirement. Complex requirements, par…
  • FAR 16.205-3 Limitations.
    …e made to conform with operation of the contractor's accounting system; and (d) There is reasonable assurance that price redetermination actions will take place promptly at the specified times.
  • FAR 31.205-35 Relocation costs.
    …l not exceed 14 percent of the sales price of the property sold. (5) Other necessary and reasonable expenses normally incident to relocation, such as disconnecting and connecting household appliances; automobile registration; driver's lice…
  • FAR 32.104 Providing contract financing.
    …determining whether to include contract financing in solicitations and contracts. Resolve reasonable doubts by including contract financing in the solicitation. The contracting officer must— (1) Provide Government financing only to the ext…
  • FAR 52.222-6 Construction Wage Rate Requirements.
    …industry. (iii) The proposed wage rate, including any bona fide fringe benefits, bears a reasonable relationship to the wage rates contained in the wage determination. (iv) With respect to helpers, such a classification prevails in the ar…
  • FAR 52.246-4 Inspection of Services—Fixed-Price.
    …rnish, and shall require subcontractors to furnish, at no increase in contract price, all reasonable facilities and assistance for the safe and convenient performance of these duties. (e) If any of the services do not conform with contract…
  • FAR 52.246-13 Inspection—Dismantling, Demolition, or Removal of Improvements.
    …rformed. The Contractor shall furnish promptly, and at no increase in contract price, all reasonable facilities, labor, and materials necessary for safe and convenient inspection by the Government. The Government shall perform inspections i…
  • DFARS 252.225-7040 Contractor Personnel Supporting U.S. Armed Forces Deployed Outside the United States.
    …obtain effective security services; (B) Effective security services are unavailable at a reasonable cost; or (C) Threat conditions necessitate security through military means. (ii) In appropriate cases, the Combatant Commander may provid…

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.