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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51 sections with “extension of performance”: the first 40
- FAR 37.111 Extension of services.…lays are bid protests and alleged mistakes in bid. In order to avoid negotiation of short extensions to existing contracts, the contracting officer may include an option clause (see 17.208(f)) in solicitations and contracts which will enabl…
- FAR 22.404-5 Expiration of project wage determinations.…work expires after bid opening but before award, the contracting officer shall request an extension of the project wage determination expiration date from the Administrator, Wage and Hour Division. The request for extension shall be support…
- FAR 52.246-19 Warranty of Systems and Equipment under Performance Specifications or Design Criteria.…rrections may be performed]. (3) In no event shall the Government be responsible for any extension or delays in the scheduled deliveries or periods of performance under this contract as a result of the Contractor's obligations to correct d…
- FAR 22.404-6 Modifications of wage determinations.…inations at SAM.gov before award, shall be effective for any resultant contract unless an extension of the 90-day period is obtained from the Administrator, Wage and Hour Division. An agency head may request such an extension from the Admin…
- FAR 52.243-7 Notification of Changes.…h the Government is responsible, the equitable adjustment shall include the cost and time extension for delay reasonably incurred by the Contractor in attempting to comply with the defective drawings, designs or specifications before the Co…
- FAR 52.249-2 Termination for Convenience of the Government (Fixed-Price).…fy it, a termination settlement proposal may be received and acted on after 1 year or any extension. If the Contractor fails to submit the proposal within the time allowed, the Contracting Officer may determine, on the basis of information …
- FAR 52.249-3 Termination for Convenience of the Government (Dismantling, Demolition, or Removal of Improvements).…fy it, a termination settlement proposal may be received and acted on after 1 year or any extension. If the Contractor fails to submit the proposal within the time allowed, the Contracting Officer may determine, on the basis of information …
- FAR 17.605 Award, renewal, and extension.…e whether meaningful improvement in performance or cost might reasonably be achieved. Any extension or renewal of an operating and management contract must be authorized at a level within the agency no lower than the level at which the orig…
- FAR 42.705-1 Contracting officer determination procedure.…on of each of its fiscal years. The contracting officer may grant, in writing, reasonable extensions, for exceptional circumstances only, when requested in writing by the contractor. (iii) Upon receipt of the proposal— (A) The cognizant a…
- FAR 52.212-1 Instructions to Offerors—Commercial Products and Commercial Services.…gent Government requirements preclude amendment of the solicitation or other notice of an extension of the closing date, the time specified for receipt of offers will be deemed to be extended to the same time of day specified in the solicit…
- FAR 52.246-12 Inspection of Construction.…mination and reconstruction, including, if completion of the work was thereby delayed, an extension of time. (i) Unless otherwise specified in the contract, the Government shall accept, as promptly as practicable after completion and inspe…
- FAR 52.249-5 Termination for Convenience of the Government (Educational and Other Nonprofit Institutions).…sal within the time provided in paragraph (d) of this clause and failed to request a time extension, there is no right of appeal. (End of clause)
- DFARS 252.227-7014 Rights in Other Than Commercial Computer Software and Other Than Commercial Computer Software Documentation.…n 6 months following the furnishing or delivery of such software or documentation, or any extension of that time approved by the Contracting Officer. The Contractor shall— (A) Identify the software or documentation that should have been ma…
- 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.…ing the furnishing or delivery of such technical data, software, or documentation, or any extension of that time approved by the Contracting Officer. The Contractor shall— (A) Identify the technical data, software, or documentation that sh…
- FAR 52.203-12 Limitation on Payments to Influence Certain Federal Transactions.…r an employee of a Member of Congress in connection with the award of this contractor the extension, continuation, renewal, amendment, or modification of this contract. (1) The term appropriated funds does not include profit or fee from a …
- FAR 52.249-10 Default (Fixed-Price Construction).… that will insure its completion within the time specified in this contract including any extension, or fails to complete the work within this time, the Government may, by written notice to the Contractor, terminate the right to proceed wit…
- DFARS 252.217-7009 Default.…f the supplies or to perform the services within the time specified in a job order or any extension; (2) Make progress, so as to endanger performance of the job order; or (3) Perform any of the other provisions of this agreement or a job …
- DFARS 252.227-7038 Patent Rights—Ownership by the Contractor (Large Business).…where such filing has been prohibited by a Secrecy Order. (4) The Contractor may request extensions of time for disclosure, election, or filing under paragraphs (c)(1), (2), and (3) of this clause. The Contracting Officer will normally gra…
- DFARS 252.236-7005 Airfield safety precautions.…of the runway centerline); (ii) The clear zone beyond the ends of each runway, i.e., the extension of the primary surface for a distance of 1,000 feet beyond each end of each runway; (iii) All taxiways, plus the lateral clearance zones al…
- FAR 17.204 Contracts.… supplies or services, or the overall duration of the term of the contract, including any extension. (b) The contract shall state the period within which the option may be exercised. (c) The period shall be set so as to provide the contra…
- FAR 19.302 Protesting a small business representation or rerepresentation.… days after receipt of a protest or request for a formal size determination or within any extension of time granted by the contracting officer the SBA Area Office will determine the size status of the challenged concern. The SBA Area Office…
- FAR 19.308 Protesting a firm's status as an economically disadvantaged women-owned small business concern or women-owned small business concern eligible under the Women-Owned Small Business Program.…s of the status protest within 15 business days after receipt of a protest, or within any extension of that time granted by the contracting officer. (3) If SBA does not issue its determination within 15 business days, or within any extensi…
- FAR 33.104 Protests to GAO.…n dismissed; or (B) Authorizes a longer period in response to an agency's request for an extension. Any new date is documented in the agency's file. (ii) When a protest is filed with the GAO, and an actual or prospective offeror so reques…
- FAR 42.302 Contract administration functions.…canceled. (64) Negotiated and execute one-time supplemental agreements providing for the extension of contract delivery schedules up to 90 days on contracts with an assigned Critically Designator of C (see 42.1105). Notification that the c…
- FAR 52.242-15 Stop-Work Order.…a period of 90 days after a stop-work order is delivered to the Contractor, or within any extension of that period to which the parties shall have agreed, the Contracting Officer shall either— (1) Cancel the stop-work order; or (2) Termin…
- FAR 52.249-6 Termination (Cost-Reimbursement).…fy it, a termination settlement proposal may be received and acted on after 1 year or any extension. If the Contractor fails to submit the proposal within the time allowed, the Contracting Officer may determine, on the basis of information …
- FAR 52.249-8 Default (Fixed-Price Supply and Service).…the supplies or to perform the services within the time specified in this contract or any extension; (ii) Make progress, so as to endanger performance of this contract (but see subparagraph (a)(2) below); or (iii) Perform any of the other…
- FAR 8.706 Purchase exceptions.…— (1) Initiate purchase action within 15 days following the date of the exception or any extension granted by the central nonprofit agency; and (2) Provide a copy of the solicitation to the central nonprofit agency when it is issued. (e)…
- FAR 11.402 Factors to consider in establishing schedules.…lished for separable items of work. When multiple completion dates are used, requests for extension of time must be evaluated with respect to each item, and the affected completion dates modified when appropriate.)
- FAR 16.505 Ordering.…t reasonably foreseeable at the time the initial contract was entered into; and (ii) The extension is necessary to ensure continuity of services, pending the award of the follow-on contract.
- FAR 19.306 Protesting a firm's status as a HUBZone small business concern.…s of the status protest within 15 business days after receipt of a protest, or within any extension of time granted by the contracting officer. (i) After SBA decision. The SBA will notify the contracting officer, the protester, and the pro…
- FAR 19.804-3 SBA acceptance.… is at or below the simplified acquisition threshold. The contracting office may grant an extension of these time periods, if requested by SBA. (1) For acquisitions exceeding the simplified acquisition threshold, if SBA does not respond to…
- FAR 22.801 Definitions.…to real property that is undergoing construction, rehabilitation, alteration, conversion, extension, demolition, or repair; and any temporary location or facility at which a contractor or other participating party meets a demand or performs…
- FAR 22.805 Procedures.…ract beyond the time necessary to make award or beyond the time specified in the offer or extension thereof, the contracting officer shall immediately inform the OFCCP regional office of the expiration date of the offer or the required date…
- FAR 22.1006 Solicitation provisions and contract clauses.…sion of a wage determination in connection with (i) exercise of a contract option or (ii) extension of a multiple year contract into a new program year. If a clause prescribed in 16.203-4(d) is used, it must not conflict with, or duplicate …
- FAR 22.1010 Notification to interested parties under collective bargaining agreements.…e forthcoming contract modification and applicable acquisition dates (exercise of option, extension of contract, change in scope, or start of performance, as the case may be); or (3) The forthcoming multiple year contract anniversary date …
- FAR 26.504 Policy.…ing that circumstances warrant a longer period of time to comply. Before granting such an extension, the contracting officer shall consider such factors as the number of contractor employees at the worksite, whether the contractor has or mu…
- FAR 33.103 Protests to the agency.…r acceptance to avoid the need for resolicitation. In the event of failure to obtain such extension of offers, consideration should be given to proceeding with award pursuant to paragraph (f)(1) of this section. (3) Upon receipt of a prote…
- FAR 49.607 Delinquency notices.…al to or greater than the period of cure remains in the contract delivery schedule or any extension to it. If the time remaining in the contract delivery schedule is not sufficient to permit a realistic cure period of 10 days or more, the C…
- FAR 52.209-3 First Article Approval—Contractor Testing.…nment reserves the right to require an equitable adjustment of the contract price for any extension of the delivery schedule, or for any additional costs to the Government related to these tests. (d) If the Contractor fails to deliver any …
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.