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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111 sections with “Additional Data Requirements”: the first 40
- FAR 27.406-2 Additional data requirements.…asible to ascertain all the data requirements at contract award. The clause at 52.227-16, Additional Data Requirements, may be used to enable the subsequent ordering by the contracting officer of additional data first produced or specifical…
- FAR 52.227-16 Additional Data Requirements.As prescribed in 27.409(d), insert the following clause: Additional Data Requirements (JUN 1987) (a) In addition to the data (as defined in the clause at 52.227-14, Rights in Data—General clause or other equivalent included in this contra…
- DFARS 252.215-7010 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.…d in paragraphs (b)(1)(i) and (ii) of this provision. The Contracting Officer may require additional supporting information, but only to the extent necessary to determine whether an exception should be granted and whether the price is fair …
- FAR 22.406-3 Additional classifications.… submit to the contracting officer, Standard Form (SF) 1444, Request for Authorization of Additional Classification and Rate, which, along with other pertinent data, contains the proposed additional classification and minimum wage rate incl…
- DFARS 207.106 Additional requirements for major systems.…rmance parameters on sustainment during the development of capabilities requirements. For additional guidance see PGI 207.105(b)(14)(ii)(2); (iii) Address the merits of including a priced contract option for the future delivery of technica…
- DFARS 252.227-7013 Rights in Technical Data—Other Than Commercial Products and Commercial Services.…n total costs are greater than the firm-fixed-price or ceiling price of the contract, the additional development costs necessary to complete development shall not be considered when determining whether development was at Government, private…
- DFARS 252.227-7015 Technical Data—Commercial Products and Commercial Services.…the Government only. The Government shall not— (i) Use the technical data to manufacture additional quantities of the commercial products; or (ii) Release, perform, display, disclose, or authorize use of the technical data outside the Gov…
- DFARS 252.227-7040 Additional preaward requirements for Small Business Technology Transfer Program.As prescribed in 227.7104-4(c)(1), use the following provision: Additional Preaward Requirements for Small Business Technology Transfer Program (JAN 2025) (a) Definitions. As used in this provision, the terms “research institution” and “U…
- DFARS 252.227-7041 Additional postaward requirements for Small Business Technology Transfer Program.As prescribed in 227.7104-4(c)(2), use the following clause: Additional Postaward Requirements for Small Business Technology Transfer Program (JAN 2025) (a) Definitions. As used in this clause— Research institution means an institution o…
- FAR 52.215-20 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.…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 granted, and whether the price is fair…
- FAR 52.215-21 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data—Modifications.…t, 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 granted, and whether the price is fair…
- FAR 52.227-15 Representation of Limited Rights Data and Restricted Computer Software.…Data—General). Any resulting contract may also provide the Government the option to order additional data under the Additional Data Requirements clause at 52.227-16, if included in the contract. Any data delivered under the resulting contra…
- DFARS 252.246-7001 Warranty of data.…ernment for all damages to the Government as a result of the breach of warranty. (i) The additional liability under paragraph (d)(3) of this clause shall not exceed 75 percent of the target profit. (ii) If the breach of the warranty is wi…
- FAR 7.106 Additional requirements for major systems.(a) In planning for the solicitation of a major system (see part 34) development contract, planners shall consider requiring offerors to include, in their offers, proposals to incorporate in the design of a major system— (1) Items which ar…
- FAR 14.503-1 Step one.…s. (8) A statement that (i) offerors should submit proposals that are acceptable without additional explanation or information, (ii) the Government may make a final determination regarding a proposal's acceptability solely on the basis of …
- FAR 52.232-12 Advance Payments.… after the written notice to the Contractor, the Government may take any of the following additional actions: (i) Withdraw by checks payable to the Treasurer of the United States, signed only by the countersigning agency, all or any part o…
- FAR 52.232-25 Prompt payment.…terest penalty in accordance with the prompt payment regulations at 5 CFR part 1315. (7) Additional interest penalty. (i) The designated payment office will pay a penalty amount, calculated in accordance with the prompt payment regulations…
- FAR 52.232-26 Prompt Payment for Fixed-Price Architect-Engineer Contracts.…e Government will calculate the interest penalty in accordance with 5 CFR part 1315. (6) Additional interest penalty. (i) The designated payment office will pay a penalty amount, calculated in accordance with the prompt payment regulations…
- FAR 52.232-27 Prompt Payment for Construction Contracts.…terest penalty in accordance with the prompt payment regulations at 5 CFR part 1315. (6) Additional interest penalty. (i) The designated payment office will pay a penalty amount, calculated in accordance with the prompt payment regulations…
- DFARS 218.170 Additional acquisition flexibilities.Additional acquisition flexibilities available to DoD are as follows: (a) Circumstances permitting other than full and open competition. Use of the authority at FAR 6.302-2, Unusual and compelling urgency, may be appropriate under certain …
- DFARS 227.7103-5 Government rights.…d rights in a license agreement made part of the contract. (2) When the Government needs additional rights in data acquired with government purpose or limited rights, the contracting officer must negotiate with the contractor to determine …
- DFARS 227.7103-10 Contractor identification and marking of technical data to be furnished with restrictive markings.…rch Program and Small Business Technology Transfer Program, permit the contractor to make additional assertions under certain conditions. The additional assertions must be made in accordance with the procedures and in the format prescribed …
- DFARS 252.227-7014 Rights in Other Than Commercial Computer Software and Other Than Commercial Computer Software Documentation.…n total costs are greater than the firm-fixed-price or ceiling price of the contract, the additional development costs necessary to complete development shall not be considered when determining whether development was at government, private…
- 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.…n total costs are greater than the firm-fixed-price or ceiling price of the contract, the additional development costs necessary to complete development shall not be considered when determining whether development was at government, private…
- FAR 6.302-1 Only one responsible source and no other supplies or services will satisfy agency requirements.…ied makes and models of technical equipment and parts will satisfy the agency's needs for additional units or replacement items, and only one source is available. (c) Application for brand-name descriptions. (1) An acquisition or portion o…
- FAR 31.205-6 Compensation for personal services.…ensation for personal services is allowable subject to the following general criteria and additional requirements contained in other parts of this cost principle: (1) Compensation for personal services must be for work performed by the emp…
- FAR 32.503-6 Suspension or reduction of payments.… a failure to make progress, the contracting officer shall require the contractor to make additional operating or financial arrangements adequate for completing the contract without loss to the Government. (2) If the contracting officer co…
- FAR 52.227-14 Rights in Data—General.… disclosure subject to prohibition against further use and disclosure: [Agencies may list additional purposes as set forth in 27.404-2(c)(1) or if none, so state.] (b) This notice shall be marked on any reproduction of these data, in whole…
- FAR 52.248-1 Value Engineering.…tities after VECP acceptance that are due to contract modifications, exercise of options, additional orders, and funding of subsequent year requirements on a multiyear contract. Collateral costs, as used in this clause, means agency cost o…
- DFARS 215.403-1 Prohibition on obtaining certified cost or pricing data (10 U.S.C. chapter 271 and 41 U.S.C. chapter 35).… when adequate price competition exists, in certain cases it may be appropriate to obtain additional data to assist in price analysis; and (2) Adequate price competition normally exists when— (i) Prices are solicited across a full range o…
- DFARS 227.7203-5 Government rights.…clusively at private expense. (2) Contractors are not required to provide the Government additional rights in computer software delivered or otherwise provided to the Government with restricted rights. When the Government has a need for ad…
- DFARS 227.7203-13 Government right to review, verify, challenge, and validate asserted restrictions.…he reason(s) for suspecting that an asserted restriction might not be correct. A need for additional license rights is not, by itself, a sufficient basis for requesting information concerning an asserted restriction. Follow the procedures a…
- FAR 27.409 Solicitation provisions and contract clauses…ould be used with Alternate II and/or Alternate III. (d) Insert the clause at 52.227-16, Additional Data Requirements, in solicitations and contracts involving experimental, developmental, research, or demonstration work (other than basic …
- DFARS 212.301 Solicitation provisions and contract clauses for the acquisition of commercial products and commercial services.… system, or is in support of a covered system, as defined in 239.7301. (f) The following additional provisions and clauses apply to DoD solicitations and contracts using FAR part 12 procedures for the acquisition of commercial products and…
- DFARS 227.7103-13 Government right to review, verify, challenge, and validate asserted restrictions.…ail to enable the contracting officer to ascertain the basis of the restrictive markings. Additional supporting documentation may be requested when the explanation provided by the person making the assertion does not, in the contracting off…
- DFARS 227.7203-10 Contractor identification and marking of computer software or computer software documentation to be furnished with restrictive markings.…earch Program and Small Business Technology Transfer Program, permit a contractor to make additional assertions under certain conditions. If an offeror fails to submit the attachment or fails to complete the attachment in accordance with th…
- DFARS 252.204-7012 Safeguarding Covered Defense Information and Cyber Incident Reporting.…yber incident reporting, malicious software, media preservation and protection, access to additional information and equipment necessary for forensic analysis, and cyber incident damage assessment. (3) Apply other information systems secur…
- FAR 2.101 Definitions.…ssigned at the discretion of the commercial, nonprofit, or Government entity to establish additional System for Award Management records for identifying alternative EFT accounts (see subpart 32.11) for the same entity. Emergency, as used i…
- FAR 4.803 Contents of contract files.…nsible. (39) Cross-references to pertinent documents that are filed elsewhere. (40) Any additional documents on which action was taken or that reflect actions by the contracting office pertinent to the contract. (41) A current chronologi…
- FAR 5.102 Availability of solicitations.…er is encouraged, when practicable and cost-effective, to make accessible through the GPE additional information related to a solicitation. (3) The contracting officer must ensure that solicitations transmitted using electronic commerce ar…
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.