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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167 sections with “class of service”: the first 40
- FAR 52.241-4 Change in Class of Service.…ibed in 41.501(c)(3), insert a clause substantially the same as the following: Change in Class of Service (FEB 1995) (a) In the event of a change in the class of service, such service shall be provided at the Contractor's lowest available…
- FAR 22.1019 Additional classes of service employees.(a) If the contracting officer is aware that contract performance involves classes of service employees not included in the wage determination, the contracting officer shall require the contractor to classify the unlisted classes so as to p…
- FAR 19.502-6 Setting aside a class of acquisitions for small business.(a) A class of acquisitions of selected products or services, or a portion of the acquisitions, may be set aside for exclusive participation by small business concerns if individual acquisitions in the class will meet the criteria in 19.502…
- FAR 52.222-41 Service Contract Labor Standards.…tract. (2)(i) If a wage determination is attached to this contract, the Contractor shall classify any class of service employee which is not listed therein and which is to be employed under the contract (i.e., the work to be performed is n…
- DFARS 252.225-7063 Restriction on Acquisition of Components of T-AO 205 and T-ARC Class Vessels.…use the following clause: Restriction on Acquisition of Components of T-AO 205 AND T-ARC Class Vessels (MAY 2024) (a) Restriction. (1) In accordance with 10 U.S.C. 4864, the following components of T-AO 205 and T-ARC class vessels must b…
- FAR 1.703 Class determinations and findings.(a) A class D&F provides authority for a class of contract actions. A class may consist of contract actions for the same or related supplies or services or other contract actions that require essentially identical justification. (b) The fi…
- FAR 4.403 Responsibilities of contracting officers.…ntracting officers shall review all proposed solicitations to determine whether access to classified information may be required by offerors, or by a contractor during contract performance. (1) If access to classified information of anothe…
- FAR 19.102 Small business size standards and North American Industry Classification System codes.(a) Locating size standards and North American Industry Classification System codes. (1) SBA establishes small business size standards on an industry-by-industry basis. Small business size standards and corresponding North American Industry…
- FAR 52.209-13 Violation of Arms Control Treaties or Agreements—Certification.…ed States is a participating state. The determinations are described in the most recent unclassified annual report provided to Congress pursuant to section 403 of the Arms Control and Disarmament Act (22 U.S.C. 2593a). The report is availab…
- FAR 52.212-1 Instructions to Offerors—Commercial Products and Commercial Services.…erors—Commercial Products and Commercial Services (SEP 2023) (a) North American Industry Classification System (NAICS) code and small business size standard. The NAICS code(s) and small business size standard(s) for this acquisition appear…
- FAR 52.212-3 Offeror Representations and Certifications—Commercial Products and Commercial Services.…u)(1) of this provision does not contravene requirements applicable to Standard Form 312 (Classified Information Nondisclosure Agreement), Form 4414 (Sensitive Compartmented Information Nondisclosure Agreement), or any other form issued by …
- DFARS 252.225-7001 Buy American and Balance of Payments Program.…n which it is incorporated is manufactured in the United States and the component is of a class or kind for which the Government has determined that— (1) Sufficient and reasonably available commercial quantities of a satisfactory quality a…
- DFARS 252.225-7036 Buy American—Free Trade Agreements—Balance of Payments Program.…n which it is incorporated is manufactured in the United States and the component is of a class or kind for which the Government has determined that— (1) Sufficient and reasonably available commercial quantities of a satisfactory quality a…
- DFARS 252.225-7045 Balance of Payments Program—Construction Material Under Trade Agreements.…for a contract in accordance with FAR 25.201(c). Components of foreign origin of the same class or kind for which nonavailability determinations have been made are treated as domestic. Components of unknown origin are treated as foreign; or…
- FAR 12.302 Tailoring of provisions and clauses for the acquisition of commercial products and commercial services.…nsistent with the needs of the Government. A waiver may be requested for an individual or class of contracts for that specific item. (d) Tailoring shall be by addenda to the solicitation and contract. The contracting officer shall indicate…
- FAR 52.241-7 Change in Rates or Terms and Conditions of Service for Regulated Services.…t published and unpublished rate schedule(s) available to any other customers of the same class under similar conditions of use and service. (c) In the event that the regulatory body promulgates any regulation concerning matters other than…
- FAR 52.241-8 Change in Rates or Terms and Conditions of Service for Unregulated Services.…be in excess of published and unpublished rates charged to any other customer of the same class under similar terms and conditions of use and service. (d) The failure of the parties to agree upon any change after a reasonable period of tim…
- DFARS 209.572 Conflicts of interest in certain consulting services.…on. The contracting officer shall not award a contract assigned a North American Industry Classification System (NAICS) code beginning with 5416 that involves consulting services to an offeror that both— (1) Cannot certify that neither the…
- DFARS 212.301 Solicitation provisions and contract clauses for the acquisition of commercial products and commercial services.…he clause at 252.225-7063, Restriction on Acquisition of Components of T-AO 205 and T-ARC Class Vessels, as prescribed in 225.7004-7(c), to comply with 10 U.S.C. 4864. (OO) Use the clause at 252.225-7064, Restriction on Acquisition of Cert…
- DFARS 252.209-7012 Prohibition Relating to Conflicts of Interest in Consulting Services—Certification.…rohibition. DoD cannot award to the Offeror a contract assigned a North American Industry Classification System code beginning with 5416 if the Offeror— (1) Cannot certify that neither the Offeror nor any of its subsidiaries or affiliates …
- DFARS 252.245-7005 Management and Reporting of Government Property.…m's original identity, utility, form, fit, and function have been destroyed. Items can be classified as scrap if processed by cutting, tearing, crushing, mangling, shredding, or melting. Intact or recognizable components and parts are not “…
- FAR 5.102 Availability of solicitations.…i) Disclosure would compromise the national security (e.g., would result in disclosure of classified information, or information subject to export controls) or create other security risks. The fact that access to classified matter may be ne…
- FAR 19.103 Appealing the contracting officer's North American Industry Classification System code and size standard determination.(a) The contracting officer's determination is final unless appealed as follows: (1) An appeal of a contracting officer's NAICS code designation and the applicable size standard shall be served and filed within 10 calendar days after the i…
- FAR 22.1016 Statement of equivalent rates for Federal hires.…e rates and fringe benefits that would be paid by the contracting activity to the various classes of service employees expected to be utilized under the contract if 5 U.S.C. 5332 (General Schedule—white collar) and/or 5 U.S.C. 5341 (Wage Bo…
- FAR 31.205-6 Compensation for personal services.… and (o) of this subsection). (2) The total compensation for individual employees or job classes of employees must be reasonable for the work performed; however, specific restrictions on individual compensation elements apply when prescrib…
- FAR 2.101 Definitions.…ssful performance of ongoing Federal operations. All advisory and assistance services are classified in one of the following definitional subdivisions: (1) Management and professional support services, i.e., contractual services that provi…
- FAR 4.402 General.…ndustrial Security Program” (NISP), establishes a program to safeguard Federal Government classified information that is released to contractors, licensees, and grantees of the United States Government. Executive Order 12829 amends Executiv…
- FAR 13.303-2 Establishment of BPAs.…contracting officers may establish BPAs: (1) There is a wide variety of items in a broad class of supplies or services that are generally purchased, but the exact items, quantities, and delivery requirements are not known in advance and ma…
- FAR 19.505 Limitations on subcontracting and nonmanufacturer rule.…omply with the following: (i) For a contract or order assigned a North American Industry Classification System (NAICS) code for services (except construction), the concern will not pay more than 50 percent of the amount paid by the Governm…
- FAR 46.203 Criteria for use of contract quality requirements.…ncluding contractor inspection, required under a contract shall usually be based upon the classification of the contract item (supply or service) as determined by its technical description, its complexity, and the criticality of its applica…
- FAR 47.207-3 Description of shipment, origin, and destination.…tations— (1) An inventory if the freight consists of nonbulk items; and (2) The freight classification description, which should be obtained from the transportation office. If a freight classification description is not available, use a c…
- FAR 48.201 Clauses for supply or service contracts.…uirements or specifications; or (6) When the agency head has exempted the contract (or a class of contracts) from the requirements of part 48. (b) Value engineering incentive. To provide a value engineering incentive, the contracting offi…
- FAR 52.222-9 Apprentices and Trainees.…ntice. (2) The allowable ratio of apprentices to journeymen on the job site in any craft classification shall not be greater than the ratio permitted to the Contractor as to the entire work force under the registered program. (3) Any work…
- FAR 52.247-52 Clearance and Documentation Requirements—Shipments to DOD Air or Water Terminal Transshipment Points.…re; and (2) Each shipment weighing less than 10,000 pounds; if the cargo either— (i) Is classified TOP SECRET, SECRET, OR CONFIDENTIAL; (ii) Will require exclusive use of a motor vehicle; (iii) Will occupy full visible capacity of a rai…
- FAR 53.204-1 Safeguarding classified information within industry (DD Form 254, DD Form 441).…al security services for the National Industrial Security Program if contractor access to classified information is required, as specified in subpart 4.4 and the clause at 52.204-2: (a) DD Form 254 (Department of Defense (DOD)), Contract S…
- DFARS 204.7103-1 Criteria for establishing.…ivery dates for the units by destination in the delivery schedule. (4) Single accounting classification citation. (i) Each contract line item shall reference a single accounting classification citation except as provided in paragraph (a)(4…
- DFARS 237.104 Personal services contracts.…rize one contract at a time; however, an authorizing official may issue a blanket D&F for classes of contracts. (B) Prepare each D&F in accordance with FAR 1.7 and include a determination that— (1) The duties are of a temporary or intermi…
- DFARS 252.204-7009 Limitations on the Use or Disclosure of Third-Party Contractor Reported Cyber Incident Information.…is lawfully publicly available without restrictions. Covered defense information means unclassified controlled technical information or other information (as described in the Controlled Unclassified Information (CUI) Registry at http://www…
- DFARS 252.204-7012 Safeguarding Covered Defense Information and Cyber Incident Reporting.…ublicly available without restrictions. Covered contractor information system means an unclassified information system that is owned, or operated by or for, a contractor and that processes, stores, or transmits covered defense information.…
- DFARS 252.227-7037 Validation of Asserted Restrictions on Technical Data.…allenge notice and all related correspondence shall be subject to handling procedures for classified information and controlled unclassified information. Such challenge will— (i) State the specific grounds for challenging the asserted rest…
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.