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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14 sections with “proposed effective date of the rates”
- DFARS 215.403-5 Instructions for submission of certified cost or pricing data and data other than certified cost or pricing data.…ld request that the proposal be submitted to the Government at least 90 days prior to the proposed effective date of the rates. To ensure the proposal is complete, the contracting officer shall request that the contractor complete the Contr…
- FAR 52.241-8 Change in Rates or Terms and Conditions of Service for Unregulated Services.…r in negotiations concerning such changes upon receipt of a written request detailing the proposed changes and specifying the reasons for the proposed changes. (c) The effective date of any change shall be as agreed to by the parties. The …
- FAR 52.241-7 Change in Rates or Terms and Conditions of Service for Regulated Services.…he regulatory body as of the date of contract award. Such notice shall fully describe the proposed change. If, during the term of this contract, the regulatory body having jurisdiction approves any changes, the Contractor shall forward to t…
- FAR 2.101 Definitions.…ting from known data; and (2) The nature and amount of any contingencies included in the proposed price. Day means, unless otherwise specified, a calendar day. Debarment means action taken by a suspending and debarring official under 9.4…
- FAR 9.404 Exclusions in the System for Award Management.…record in SAM contains the— (1) Names and addresses of the entities debarred, suspended, proposed for debarment, voluntarily excluded, declared ineligible, or excluded or disqualified under the nonprocurement common rule, with cross-refere…
- FAR 41.301 Requirements.(a) Requests for delegations of GSA contracting authority, assistance with a proposed contract as provided in 41.203, and the submission of other information required by this part, shall be sent or submitted to the General Services Administ…
- DFARS 252.245-7005 Management and Reporting of Government Property.…sheets with detailed descriptions attached. (vii) In addition to providing notice of the proposed sale to prospective bidders, the Contractor may, when the results are expected to justify the additional expense, display a notice of the pro…
- FAR 41.402 Rate changes and regulatory intervention.(a) When a change is proposed to rates or terms and conditions of service to the Government, the agency shall promptly determine whether the proposed change is reasonable, justified, and not discriminatory. (b) If a change is proposed to r…
- FAR 52.250-4 SAFETY Act Pre-qualification Designation Notice.…fied in the notice satisfies the technical criteria to be deemed a QATT and the offeror's proposed technology either may presumptively or will qualify for the issuance of a designation provided the offeror complies with terms and conditions…
- FAR 19.201 General policy.…ent center representative (PCR) (or, if a PCR is not assigned, see 19.402(a)) to identify proposed solicitations that involve bundling and work with the agency acquisition officials and SBA to revise the acquisition strategies for such prop…
- FAR 22.1008-2 Successorship with incumbent contractor collective bargaining agreement.…or contractor under the following conditions: (1) The services to be furnished under the proposed contract will be substantially the same as services being furnished by an incumbent contractor whose contract the proposed contract will succ…
- FAR 52.250-3 SAFETY Act Block Designation/Certification.…ny way a requirement of this action. Whether to seek the benefits of the SAFETY Act for a proposed product or service is entirely up to the offeror. Additional information about the SAFETY Act and this block designation/certification may be…
- FAR 31.205-46 Travel costs.…(iv) Authorization for trip; and (v) Purpose of trip. (3) Where an advance agreement is proposed (see 31.109), consideration may be given to the following: (i) Whether scheduled commercial airlines or other suitable, less costly, travel …
- FAR 52.222-41 Service Contract Labor Standards.…ed class of employee performs any contract work. The Contracting Officer shall review the proposed classification and rate and promptly submit the completed SF 1444 (which must include information regarding the agreement or disagreement of …
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.