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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132 sections with “reasonable notice”: the first 40
- FAR 52.225-22 Notice of Required Use of American Iron, Steel, and Manufactured Goods—Buy American Statute—Construction Materials.… (c) Evaluation of offers. (1) If the Government determines that an exception based on unreasonable cost of domestic construction material applies in accordance with FAR 25.604, the Government will evaluate an offer requesting exception to…
- FAR 52.225-24 Notice of Required Use of American Iron, Steel, and Manufactured Goods—Buy American Statute—Construction Materials Under Trade Agreements.… (c) Evaluation of offers. (1) If the Government determines that an exception based on unreasonable cost of domestic construction material applies in accordance with FAR 25.604, the Government will evaluate an offer requesting exception to…
- FAR 52.225-10 Notice of Buy American Requirement—Construction Materials.… requesting exception to the requirements of the Buy American statute, based on claimed unreasonable cost of domestic construction material, by adding to the offered price the appropriate percentage of the cost of such foreign construction …
- FAR 52.225-12 Notice of Buy American Requirement—Construction Materials Under Trade Agreements.… requesting exception to the requirements of the Buy American statute, based on claimed unreasonable cost of domestic construction materials, by adding to the offered price the appropriate percentage of the cost of such foreign construction…
- FAR 2.101 Definitions.…d through a comprehensive plan for fulfilling the agency need in a timely manner and at a reasonable cost. It includes developing the overall strategy for managing the acquisition. Activity Address Code (AAC) means a distinct six-position …
- FAR 8.404 Use of Federal Supply Schedules.…, and rates for services offered at hourly rates, under schedule contracts to be fair and reasonable. Therefore, ordering activities are not required to make a separate determination of fair and reasonable pricing, except for a price evalua…
- FAR 13.106-3 Award and documentation.… making award, the contracting officer must determine that the proposed price is fair and reasonable. (1) Whenever possible, base price reasonableness on competitive quotations or offers. (2) If only one response is received, include a st…
- FAR 33.104 Protests to GAO.…e award has been made, or, if no award has been made, to all parties who appear to have a reasonable prospect of receiving award if the protest is denied. The agency shall furnish copies of the protest submissions to such parties with instr…
- 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 52.216-7 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 52.232-12 Advance Payments.…ithdraw funds from the special account only to pay for properly allocable, allowable, and reasonable costs for direct materials, direct labor, and indirect costs. Other withdrawals require approval in writing by the administering office. De…
- 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 52.246-2 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 52.246-17 Warranty of Supplies of a Noncomplex Nature.…delivery under this contract,” or “45 days after discovery of the defect”]. (2) Within a reasonable time after the notice, the Contracting Officer may either— (i) Require, by written notice, the prompt correction or replacement of any sup…
- 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 …
- DFARS 225.7303-2 Cost of doing business with a foreign government or an international organization.… as described in 225.7303-1 do not exist, except as provided in 225.7303-5, recognize the reasonable and allocable costs of doing business with a foreign government or international organization, even though such costs might not be recogniz…
- DFARS 227.7103-13 Government right to review, verify, challenge, and validate asserted restrictions.…S.C. 3782, the Government has the right to challenge asserted restrictions when there are reasonable grounds to question the validity of the assertion and continued adherence to the assertion would make it impractical to later procure compe…
- DFARS 252.227-7018 Rights in Other Than Commercial Technical Data and Computer Software—Small Business Innovation Research Program and Small Business Technology Transfer Program.…he item, component, or process has been analyzed or tested sufficiently to demonstrate to reasonable people skilled in the applicable art that there is a high probability that it will operate as intended. Whether, how much, and what type of…
- DFARS 252.228-7001 Ground and Flight Risk.…Contractor's premises shall be considered to be in flight when on the ground or water for reasonable periods of time following emergency landings, landings made in performance of the contract, or landings approved in writing by the contract…
- DFARS 252.246-7001 Warranty of data.…otifies the Contractor of the breach in writing within the warranty period: (1) Within a reasonable time after such notification, the Contracting Officer may— (i) By written notice, direct the Contractor to correct or replace at the Contr…
- FAR 19.1505 Set-aside procedures.…ting officer may restrict competition to EDWOSB concerns if the contracting officer has a reasonable expectation based on market research that— (1) Two or more EDWOSB concerns will submit offers for the contract; and (2) Contract award wi…
- FAR 32.609 Delays in receipt of notices or demands.…the date of the debt and accrual of interest shall be extended to a time that is fair and reasonable under the particular circumstances.
- FAR 42.801 Notice of intent to disallow costs.…tice, the contracting officer responsible for administering the contract shall make every reasonable effort to reach a satisfactory settlement through discussions with the contractor. (b) A notice of intent to disallow such costs usually r…
- FAR 49.108-5 Recognition of judgments and arbitration awards.…e to the terminated portion of the prime contract, if— (1) The prime contractor has made reasonable efforts to include in the subcontract a termination clause described in 49.502(e), 49.503(c), or a similar clause excluding payment of anti…
- FAR 52.213-4 Terms and Conditions—Simplified Acquisitions (Other Than Commercial Products and Commercial Services).… in contract price. The Government must exercise its postacceptance rights— (1) Within a reasonable period of time after the defect was discovered or should have been discovered; and (2) Before any substantial change occurs in the conditi…
- FAR 52.227-2 Notice and Assistance Regarding Patent and Copyright Infringement.…t (JUN 2020) (a) The Contractor shall report to the Contracting Officer, promptly and in reasonable written detail, each notice or claim of patent or copyright infringement based on the performance of this contract of which the Contractor …
- FAR 52.241-6 Service Provisions.…cess of __ percent under normal operating conditions. (c) Change in volume or character. Reasonable notice shall be given by the Contracting Officer to the Contractor regarding any material changes anticipated in the volume or characterist…
- FAR 52.246-19 Warranty of Systems and Equipment under Performance Specifications or Design Criteria.… notice not to correct any defect, or to correct or partially correct any defect within a reasonable time at ____ [Contracting Officer shall insert locations where corrections may be performed]. (3) In no event shall the Government be resp…
- 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 52.249-6 Termination (Cost-Reimbursement).…act before the effective date of the termination, and those costs that may continue for a reasonable time with the approval of or as directed by the Contracting Officer; however, the Contractor shall discontinue these costs as rapidly as pr…
- DFARS 252.227-7014 Rights in Other Than Commercial Computer Software and Other Than Commercial Computer Software Documentation.…successfully operated in a computer and tested to the extent sufficient to demonstrate to reasonable persons skilled in the art that the program can reasonably be expected to perform its intended purpose; (2) Computer software, other than …
- FAR 5.202 Exceptions.…ion is made for perishable subsistence supplies, and advance notice is not appropriate or reasonable; (10) The proposed contract action is made under conditions described in 6.302-3, or 6.302-5 with regard to brand name commercial products…
- FAR 19.705-7 Compliance with the subcontracting plan.…owned small business concerns, factors such as unavailability of anticipated sources or unreasonable prices may frustrate achievement of the contractor's subcontracting goals. The contracting officer may consider any of the following, thoug…
- FAR 22.404-6 Modifications of wage determinations.…ys before the date of bid opening, unless the contracting officer finds that there is not reasonable time available before bid opening to notify the prospective bidders. (If the contracting officer finds that there is not reasonable time to…
- 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 52.212-3 Offeror Representations and Certifications—Commercial Products and Commercial Services.…entity that is replaced by a successor and includes any predecessors of the predecessor. Reasonable inquiry has the meaning provided in the clause 52.204-25, Prohibition on Contracting for Certain Telecommunications and Video Surveillance …
- FAR 52.217-2 Cancellation Under Multiyear Contracts.…ltiyear contract period but, because of the cancellation, are not so amortized, and (2) a reasonable profit or fee on the costs. (e) The cancellation charge shall be computed and the claim made for it as if the claim were being made under …
- FAR 52.233-3 Protest After Award.…receipt of the order, the Contractor shall immediately comply with its terms and take all reasonable steps to minimize the incurrence of costs allocable to the work covered by the order during the period of work stoppage. Upon receipt of th…
- 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 52.249-5 Termination for Convenience of the Government (Educational and Other Nonprofit Institutions).… or any part of the amount to be paid because of the termination. This amount may include reasonable cancellation charges incurred by the Contractor and any reasonable loss on outstanding commitments for personal services that the Contracto…
FAR (chapter 1)
- Part 1 Federal Acquisition Regulations System 58 sections
- Part 2 Definitions of Words and Terms 3 sections
- Part 3 Improper Business Practices and Personal Conflicts of Interest 98 sections
- Part 4 Administrative and Information Matters 116 sections
- Part 5 Publicizing Contract Actions 34 sections
- Part 6 Competition Requirements 34 sections
- Part 7 Acquisition Planning 34 sections
- Part 8 Required Sources of Supplies and Services 67 sections
- Part 9 Contractor Qualifications 106 sections
- Part 10 Market Research 4 sections
- Part 11 Describing Agency Needs 33 sections
- Part 12 Acquisition of Commercial Products and Commercial Services 38 sections
- Part 13 Simplified Acquisition Procedures 49 sections
- Part 14 Sealed Bidding 82 sections
- Part 15 Contracting by Negotiation 81 sections
- Part 16 Types of Contracts 74 sections
- Part 17 Special Contracting Methods 50 sections
- Part 18 Emergency Acquisitions 34 sections
- Part 19 Small Business Programs 126 sections
- Part 22 Application of Labor Laws to Government Acquisitions 205 sections
- Part 23 Environment, Sustainable Acquisition, and Material Safety 38 sections
- Part 24 Protection of Privacy and Freedom of Information 10 sections
- Part 25 Foreign Acquisition 81 sections
- Part 26 Other Socioeconomic Programs 36 sections
- Part 27 Patents, Data, and Copyrights 59 sections
- Part 28 Bonds and Insurance 61 sections
- Part 29 Taxes 23 sections
- Part 30 Cost Accounting Standards Administration 30 sections
- Part 31 Contract Cost Principles and Procedures 87 sections
- Part 32 Contract Financing 175 sections
- Part 33 Protests, Disputes, and Appeals 23 sections
- Part 34 Major System Acquisition 20 sections
- Part 35 Research and Development Contracting 25 sections
- Part 36 Construction and Architect-engineer Contracts 81 sections
- Part 37 Service Contracting 46 sections
- Part 38 Federal Supply Schedule Contracting 3 sections
- Part 39 Acquisition of Information Technology 14 sections
- Part 40 Information Security and Supply Chain Security 12 sections
- Part 41 Acquisition of Utility Services 17 sections
- Part 42 Contract Administration and Audit Services 84 sections
- Part 43 Contract Modifications 14 sections
- Part 44 Subcontracting Policies and Procedures 24 sections
- Part 45 Government Property 33 sections
- Part 46 Quality Assurance 60 sections
- Part 47 Transportation 106 sections
- Part 48 Value Engineering 13 sections
- Part 49 Termination of Contracts 108 sections
- Part 50 Extraordinary Contractual Actions and the Safety Act 34 sections
- Part 51 Use of Government Sources by Contractors 15 sections
- Part 52 Solicitation Provisions and Contract Clauses 680 sections
- Part 53 Forms 61 sections
DFARS (chapter 2, Defense)
- Part 201 Federal Acquisition Regulations System 24 sections
- Part 202 Definitions of Words and Terms 1 sections
- Part 203 Improper Business Practices and Personal Conflicts of Interest 28 sections
- Part 204 Administrative and Information Matters 76 sections
- Part 205 Publicizing Contract Actions 11 sections
- Part 206 Competition Requirements 20 sections
- Part 207 Acquisition Planning 22 sections
- Part 208 Required Sources of Supplies and Services 31 sections
- Part 209 Contractor Qualifications 55 sections
- Part 210 Market Research 2 sections
- Part 211 Describing Agency Needs 22 sections
- Part 212 Acquisition of Commercial Products and Commercial Services 24 sections
- Part 213 Simplified Acquisition Procedures 23 sections
- Part 214 Sealed Bidding 14 sections
- Part 215 Contracting by Negotiation 66 sections
- Part 216 Types of Contracts 36 sections
- Part 217 Special Contracting Methods 64 sections
- Part 218 Emergency Acquisitions 7 sections
- Part 219 Small Business Programs 47 sections
- Part 222 Application of Labor Laws to Government Acquisitions 56 sections
- Part 223 Environment, Sustainable Acquisition, and Material Safety 34 sections
- Part 224 Protection of Privacy and Freedom of Information 2 sections
- Part 225 Foreign Acquisition 251 sections
- Part 226 Other Socioeconomic Programs 14 sections
- Part 227 Patents, Data, and Copyrights 99 sections
- Part 228 Bonds and Insurance 17 sections
- Part 229 Taxes 9 sections
- Part 230 Cost Accounting Standards Administration 2 sections
- Part 231 Contract Cost Principles and Procedures 13 sections
- Part 232 Contract Financing 74 sections
- Part 233 Protests, Disputes, and Appeals 8 sections
- Part 234 Major System Acquisition 13 sections
- Part 235 Research and Development Contracting 16 sections
- Part 236 Construction and Architect-engineer Contracts 25 sections
- Part 237 Service Contracting 67 sections
- Part 239 Acquisition of Information Technology 38 sections
- Part 241 Acquisition of Utility Services 8 sections
- Part 242 Contract Administration and Audit Services 40 sections
- Part 243 Contract Modifications 18 sections
- Part 244 Subcontracting Policies and Procedures 13 sections
- Part 245 Government Property 23 sections
- Part 246 Quality Assurance 39 sections
- Part 247 Transportation 27 sections
- Part 249 Termination of Contracts 14 sections
- Part 250 Extraordinary Contractual Actions and the Safety Act 16 sections
- Part 251 Use of Government Sources by Contractors 5 sections
- Part 252 Solicitation Provisions and Contract Clauses 405 sections
- Part 253 Forms 10 sections
- Part 270 Defense Contracting Programs 7 sections
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.