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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259 sections with “system of systems”: the first 40
- FAR 52.204-21 Basic Safeguarding of Covered Contractor Information Systems.….1903, insert the following clause: Basic Safeguarding of Covered Contractor Information Systems (NOV 2021) (a) Definitions. As used in this clause— Covered contractor information system means an information system that is owned or opera…
- 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 9.505-1 Providing systems engineering and technical direction.(a) A contractor that provides systems engineering and technical direction for a system but does not have overall contractual responsibility for its development, its integration, assembly, and checkout, or its production shall not— (1) Be …
- FAR 52.227-21 Technical Data Declaration, Revision, and Withholding of Payment—Major Systems.…following clause: Technical Data Declaration, Revision, and Withholding of Payment—Major Systems (MAY 2014) (a) Scope of declaration. The Contractor shall provide, in accordance with 41 U.S.C. 2302(e)(7), the following declaration with re…
- FAR 52.240-1 Prohibition on Unmanned Aircraft Systems Manufactured or Assembled by American Security Drone Act—Covered Foreign Entities.As prescribed in 40.202-8, insert the following clause: Prohibition on Unmanned Aircraft Systems Manufactured or Assembled by American Security Drone Act—Covered Foreign Entities (NOV 2024) (a) Definitions. As used in this clause— Americ…
- DFARS 207.106 Additional requirements for major systems.…ited by 10 U.S.C. 3208(d)(1) from requiring offers for development or production of major systems that would enable the Government to use technical data to competitively reprocure identical items or components of the system if the item or c…
- DFARS 252.234-7001 Notice of Earned Value Management System.…prescribed in 234.203(1), use the following provision: Notice of Earned Value Management System (APR 2008) (a) If the offeror submits a proposal in the amount of $50,000,000 or more— (1) The offeror shall provide documentation that the C…
- DFARS 252.242-7005 Contractor business systems.As prescribed in 242.7001, use the following clause: Contractor Business Systems (Jan 2025) (a) This clause only applies to covered contracts that are subject to the Cost Accounting Standards under 41 U.S.C. chapter 15, as implemented in …
- FAR 15.407-5 Estimating systems.(a) Using an acceptable estimating system for proposal preparation benefits both the Government and the contractor by increasing the accuracy and reliability of individual proposals. Cognizant audit activities, when it is appropriate to do …
- FAR 52.246-19 Warranty of Systems and Equipment under Performance Specifications or Design Criteria.…c)(1), the contracting officer may insert a clause substantially as follows: Warranty of Systems and Equipment Under Performance Specifications or Design Criteria (MAY 2001) (a) Definitions. As used in this clause— Acceptance means the a…
- DFARS 209.571-7 Systems engineering and technical assistance contracts.(a) Agencies shall obtain advice on systems architecture and systems engineering matters with respect to major defense acquisition programs or pre-major defense acquisition programs from Federally Funded Research and Development Centers or …
- DFARS 252.209-7006 Limitations on Contractors Acting as Lead System Integrators.… in 209.570-4(a), use the following provision: Limitations on Contractors Acting As Lead System Integrators (DEC 2022) (a) Definitions. Lead system integrator, lead system integrator with system responsibility, and lead system integrator …
- DFARS 252.209-7007 Prohibited Financial Interests for Lead System Integrators.…ribed in 209.570-4(b), use the following clause: Prohibited Financial Interests for Lead System Integrators (DEC 2022) (a) Definitions. As used in this clause— (1) Lead system integrator includes lead system integrator with system respon…
- FAR 40.202 Prohibition on the procurement and operation of unmanned aircraft systems manufactured or assembled by American Security Drone Act-covered foreign entities.
- FAR 52.223-19 Compliance with Environmental Management Systems.…ibed in 23.406(b), insert the following clause: Compliance With Environmental Management Systems (MAY 2011) The Contractor's work under this contract shall conform with all operational controls identified in the applicable agency or facil…
- DFARS 252.204-7024 Notice on the Use of the Supplier Performance Risk System.…04.7604, use the following provision: Notice on the Use of the Supplier Performance Risk System (MAR 2023) (a) Definitions. As used in this provision— Item risk means the probability that a product, based on intended use, will introduce …
- FAR 7.105 Contents of written acquisition plans.…ing the acquisition, such as— (i) Requirements for compatibility with existing or future systems or programs; and (ii) Any known cost, schedule, and capability or performance constraints. (3) Cost. Set forth the established cost goals fo…
- FAR 12.301 Solicitation provisions and contract clauses for the acquisition of commercial products and commercial services.…ion of commercial products or commercial services. (1) Insert the provision at 52.204-7, System for Award Management, as prescribed in 4.1105(a). (2) Insert the clause at 52.204-13, System for Award Management Maintenance, as prescribed i…
- FAR 27.406-3 Major system acquisition.…ause at 52.227-21, Technical Data Declaration, Revision, and Withholding of Payment—Major Systems, implements 41 U.S.C. 2302(e). When using the clause at 52.227-21, the section of the contract specifying data delivery requirements (see 27.4…
- FAR 44.303 Extent of review.A CPSR requires an evaluation of the contractor's purchasing system. Unless segregation of subcontracts is impracticable, this evaluation shall not include subcontracts awarded by the contractor exclusively in support of Government contract…
- FAR 52.219-8 Utilization of Small Business Concerns.…. 101(16), and who is registered in the Beneficiary Identification and Records Locator Subsystem, or successor system that is maintained by the Department of Veterans Affairs' Veterans Benefits Administration, as a service-disabled veteran.…
- FAR 52.225-21 Required Use of American Iron, Steel, and Manufactured Goods—Buy American Statute—Construction Materials.…e site preassembled from articles, materials, or supplies. However, emergency life safety systems, such as emergency lighting, fire alarm, and audio evacuation systems, that are discrete systems incorporated into a public building or work a…
- FAR 52.225-23 Required Use of American Iron, Steel, and Manufactured Goods—Buy American Statute—Construction Materials Under Trade Agreements.…e site preassembled from articles, materials, or supplies. However, emergency life safety systems, such as emergency lighting, fire alarm, and audio evacuation systems, that are discrete systems incorporated into a public building or work a…
- DFARS 212.209 Determination of price reasonableness.…o support such market research, the contracting officer— (1) In the case of major weapon systems, for subsystems of major weapon systems and components and spare parts of major weapon systems and of subsystems of major weapon systems acqui…
- DFARS 227.7203-14 Conformity, acceptance, and warranty of computer software and computer software documentation.…tion clause providing remedies for nonconforming deliverables. (2) Warranties—(i) Weapon systems. Computer software that is a component of a weapon system or major subsystem should be warranted as part of the weapon system warranty. Follow…
- DFARS 242.7000 Contractor business system deficiencies.(a) Definitions. As used in this subpart— Acceptable contractor business systems means contractor business systems that comply with the terms and conditions of the applicable business system clauses listed in the definition of “contractor …
- DFARS 245.105 Contractors' property management system compliance.(a) Definitions. As used in this subpart— Acceptable property management system means a property system that complies with the system criteria in paragraph (c) of the clause at 252.245-7003, Contractor Property Management Administration. …
- DFARS 246.370 Notification of potential safety issues.…isition of— (1) Repairable or consumable parts identified as critical safety items; (2) Systems and subsystems, assemblies, and subassemblies integral to a system; or (3) Repair, maintenance, logistics support, or overhaul services for s…
- DFARS 252.204-7019 Notice of NIST SP 800-171 DoD Assessment Requirements.…the clause 252.204-7020, NIST SP 800-171 DoD Assessments. Covered contractor information system has the meaning given in the clause 252.204-7012, Safeguarding Covered Defense Information and Cyber Incident Reporting, of this solicitation. …
- DFARS 252.204-7025 Notice of Cybersecurity Maturity Model Certification Level Requirements.… higher (see 32 CFR part 170), is required prior to award for each contractor information system that will process, store, or transmit Federal contract information (FCI) or controlled unclassified information (CUI) during performance of the…
- DFARS 252.215-7002 Cost Estimating System Requirements.As prescribed in 215.408(1), use the following clause: Cost Estimating System Requirements (Jan 2025) (a) Definitions. Acceptable estimating system means an estimating system that complies with the system criteria in paragraph (d) of thi…
- DFARS 252.225-7009 Restriction on Acquisition of Certain Articles Containing Specialty Metals.…50 percent or more of the alloy (by mass). Assembly means an item forming a portion of a system or subsystem that— (i) Can be provisioned and replaced as an entity; and (ii) Incorporates multiple, replaceable parts. Commercial derivativ…
- DFARS 252.225-7044 Balance of Payments Program—Construction Material.…e site preassembled from articles, materials, or supplies. However, emergency life safety systems, such as emergency lighting, fire alarm, and audio evacuation systems, that are discrete systems incorporated into a public building or work a…
- DFARS 252.225-7045 Balance of Payments Program—Construction Material Under Trade Agreements.…e site preassembled from articles, materials, or supplies. However, emergency life safety systems, such as emergency lighting, fire alarm, and audio evacuation systems, that are discrete systems incorporated into a public building or work a…
- DFARS 252.232-7003 Electronic Submission of Payment Requests and Receiving Reports.…ial deliveries; or (iii) Lease and rental payments. Electronic form means any automated system that transmits information electronically from the initiating system to affected systems. Invoice payment means a Government disbursement of m…
- DFARS 252.234-7002 Earned Value Management System.As prescribed in 234.203(2), use the following clause: Earned Value Management System (Jan 2025) (a) Definitions. As used in this clause— Acceptable earned value management system means an earned value management system that generally co…
- DFARS 252.242-7004 Material Management and Accounting System.As prescribed in 242.7204, use the following clause: Material Management and Accounting System (Jan 2025) (a) Definitions. As used in this clause— Acceptable material management and accounting system means a material management and accou…
- DFARS 252.242-7006 Accounting System Administration.As prescribed in 242.7503, use the following clause: Accounting System Administration (Jan 2025) (a) Definitions. As used in this clause— Acceptable accounting system means a system that complies with the system criteria in paragraph (c)…
- DFARS 252.244-7001 Contractor Purchasing System Administration.…scribed in 244.305-71 and 244.305-71(a), use the following clause: Contractor Purchasing System Administration—Basic (Jan 2025) (a) Definitions. As used in this clause— Acceptable purchasing system means a purchasing system that complies…
- DFARS 252.245-7003 Contractor Property Management System Administration.As prescribed in 245.107(3), insert the following clause: Contractor Property Management System Administration (Jan 2025) (a) Definitions. As used in this clause— Acceptable property management system means a property system that complie…
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.