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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25 sections with “substantiate”
- FAR 52.227-14 Rights in Data—General.…mance of this contract, unless provided otherwise in paragraph (d) of this clause; (iii) Substantiate the use of, add, or correct limited rights, restricted rights, or copyright notices and to take other appropriate action, in accordance w…
- FAR 22.1704 Violations and remedies.… respond to the report; (B) Make a final determination as to whether the allegations are substantiated; and (C) Notify the contracting officer of the determination. (ii) Whether or not the official authorized to conduct the administrativ…
- FAR 22.1003-4 Administrative limitations, variations, tolerances, and exemptions.…hed in the usual course of trade between buyers and sellers free to bargain, which can be substantiated from sources independent of the manufacturer or contractor. (iii) The contractor will use the same compensation (wage and fringe benefi…
- FAR 29.304 Matters requiring special consideration.…nts must file, within 6 months after the claimant's fiscal year closes, a written request substantiated by such records, receipts, and information as the Commissioner of Revenue may require. No refund will be made on an application not file…
- FAR 52.232-7 Payments under Time-and-Materials and Labor-Hour Contracts.…ess concern may receive more frequent payments than every two weeks. The Contractor shall substantiate vouchers (including any subcontractor hours reimbursed at the hourly rate in the schedule) by evidence of actual payment and by— (i) Ind…
- DFARS 252.215-7010 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.…n the course of ordinary trade between buyers and sellers free to bargain and that can be substantiated through competition or from sources independent of the offerors. Non-Government sales means sales of the supplies or services to non-Go…
- FAR 2.101 Definitions.…n the course of ordinary trade between buyers and sellers free to bargain and that can be substantiated through competition or from sources independent of the offerors; or (3) A service referred to in paragraph (1) or (2) of this definitio…
- FAR 19.705-7 Compliance with the subcontracting plan.…dance with the terms of the contract with the prime contractor. (vii) Failure to correct substantiated findings from Federal subcontracting compliance reviews or participate in subcontracting plan management training offered by the Governm…
- FAR 42.1503 Procedures.… determination after an administrative proceeding, in accordance with 22.1704(d)(1), that substantiates an allegation of a violation of the trafficking in persons prohibitions in 22.1703(a) and 52.222-50(b); or (vi) Determines that a contr…
- FAR 47.303-17 Contractor-prepaid commercial bills of lading, small package shipments.…lls submitted by the contractor; or (D) Other information submitted by the contractor to substantiate the amount claimed. (3) Receipted freight bills in support of invoiced transportation charges of $100 or less are not required for reimb…
- FAR 49.302 Discontinuance of vouchers.…SF 1437 (see 49.602-1) or by letter appropriately certified. The contractor must submit a substantiated proposal for fee to the TCO within 1 year from the effective date of termination, unless the period is extended by the TCO. When the use…
- FAR 49.304-2 Submission of settlement proposal (fee only).…he form prescribed in 49.602-1 or by letter appropriately certified. The contractor shall substantiate the amount of fee claimed (see 49.305).
- FAR 52.212-4 Contract Terms and Conditions—Commercial Products and Commercial Services.…quested by the Contracting Officer or the authorized representative, the Contractor shall substantiate invoices (including any subcontractor hours reimbursed at the hourly rate in the schedule) by evidence of actual payment, individual dail…
- FAR 52.222-48 Exemption From Application of the Service Contract Labor Standards to Contracts for Maintenance, Calibration, or Repair of Certain Equipment—Certification.…hed in the usual course of trade between buyers and sellers free to bargain, which can be substantiated from sources independent of the manufacturer or offeror; and (3) The compensation (wage and fringe benefits) plan for all service emplo…
- FAR 52.222-51 Exemption From Application of the Service Contract Labor Standards to Contracts for Maintenance, Calibration, or Repair of Certain Equipment—Requirements.…hed in the usual course of trade between buyers and sellers free to bargain, which can be substantiated from sources independent of the manufacturer or Contractor. (c) The compensation (wage and fringe benefits) plan for all service employ…
- FAR 52.222-52 Exemption From Application of the Service Contract Labor Standards to Contracts for Certain Services—Certification.…urse of ordinary and usual trade between buyers and sellers free to bargain, which can be substantiated from sources independent of the manufacturer or offeror; (3) Each service employee who will perform the services under the contract wil…
- FAR 52.222-53 Exemption From Application of the Service Contract Labor Standards to Contracts for Certain Services—Requirements.…urse of ordinary and usual trade between buyers and sellers free to bargain, which can be substantiated from sources independent of the manufacturer or Contractor. (c) Each service employee who will perform the services under the contract …
- FAR 52.227-20 Rights in Data—SBIR Program.…contract in the manner and to the extent provided in paragraph (d) of this clause; (iii) Substantiate use of, add, or correct SBIR rights or copyright notices and to take other appropriate action, in accordance with paragraph (e) of this c…
- FAR 52.229-2 North Carolina State and Local Sales and Use Tax.…nal information the Commissioner of Revenue of the State of North Carolina may require to substantiate a refund claim for sales or use taxes. The Contractor shall also obtain and furnish to the Contracting Officer similar certified statemen…
- FAR 52.232-10 Payments Under Fixed-Price Architect-Engineer Contracts.…epared by the Contractor and submitted along with its voucher. (b) After receipt of each substantiated voucher, the Government shall pay the voucher as approved by the Contracting Officer or authorized representative. The Contracting Offic…
- FAR 52.232-32 Performance-Based Payments.…erms of the contract. The Contracting Officer may, at any time, require the Contractor to substantiate the successful performance of any event or performance criterion which has been or is represented as being payable. (2) A payment under …
- FAR 52.246-1 Contractor Inspection Requirements.… is responsible for performing or having performed all inspections and tests necessary to substantiate that the supplies or services furnished under this contract conform to contract requirements, including any applicable technical requirem…
- DFARS 215.401 Definitions.…n the course of ordinary trade between buyers and sellers free to bargain and that can be substantiated through competition or from sources independent of the offerors. Relevant sales data means information provided by an offeror of sales …
- DFARS 244.202-2 Considerations.…than lowest price is the basis for subcontractor selection, has the contractor adequately substantiated the selection as offering the greatest value to the Government?
- DFARS 252.229-7003 Tax Exemptions (Italy).…clude the amount of the IVA tax. (iii) The Contractor shall retain the certified copy to substantiate non-payment of the IVA tax. (3) The Contractor may address questions regarding the IVA tax to the Ministry of Finance, IVA Office, Rome …
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.