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 “proper invoices or vouchers”
- FAR 52.232-12 Advance Payments.…nts for payment. Advance payments will be made under this contract (1) upon submission of properly certified invoices or vouchers by the Contractor, and approval by the administering office, ____ [Insert the name of the office designated un…
- FAR 52.216-7 Allowable Cost and Payment.…ead; if not prescribed, insert “30th”] day after the designated billing office receives a proper payment request. In the event that the Government requires an audit or other review of a specific payment request to ensure compliance with th…
- FAR 52.216-26 Payments of Allowable Costs Before Definitization.…ct; (iii) Direct labor; (iv) Direct travel; (v) Other direct in-house costs; and (vi) Properly allocable and allowable indirect costs as shown on the records maintained by the Contractor for purposes of obtaining reimbursement under Gov…
- FAR 52.232-4 Payments Under Transportation Contracts and Transportation-Related Services Contracts.…ices Contracts (APR 1984) The Government shall pay the Contractor upon the submission of properly certified invoices or vouchers, the amount due for services rendered and accepted, less deductions, if any, as herein provided. (End of clau…
- DFARS 252.243-7002 Requests for Equitable Adjustment.…or that have been separately claimed. All indirect costs included in the request shall be properly allocable to the change in accordance with applicable acquisition regulations. (b) In accordance with 10 U.S.C. 3862(a), any request for equ…
- FAR 52.208-4 Vehicle Lease Payments.…ased in foreign countries: Vehicle Lease Payments (APR 1984) (a) Upon the submission of proper invoices or vouchers, the Government shall pay rent for each vehicle at the rate(s) specified in this contract. (b) Rent shall accrue from the…
- FAR 52.232-1 Payments.…ed: Payments (APR 1984) The Government shall pay the Contractor, upon the submission of proper invoices or vouchers, the prices stipulated in this contract for supplies delivered and accepted or services rendered and accepted, less any de…
- FAR 52.232-2 Payments Under Fixed-Price Research and Development Contracts.…lopment Contracts (APR 1984) The Government shall pay the Contractor, upon submission of proper invoices or vouchers, the prices stipulated in this contract for work delivered or rendered and accepted, less any deductions provided in this …
- FAR 49.112-1 Partial payments.…iews and the TCO's examination of the data indicate that the requested partial payment is proper, reasonable payments may be authorized in the discretion of the TCO up to— (1) 100 percent of the contract price, adjusted for undelivered acc…
- FAR 4.803 Contents of contract files.…, expediting, and production surveillance records. (15) Quality assurance records. (16) Property administration records. (17) Documentation regarding termination actions for which the contract administration office is responsible. (18) …
- FAR 52.216-5 Price Redetermination—Prospective.…d; (ii) The total costs (estimated to the extent necessary) reasonably incurred for, and properly allocable solely to, the supplies delivered (or services performed) and accepted by the Government and for which final prices have not been e…
- FAR 52.216-6 Price Redetermination—Retroactive.…d; (ii) The total costs (estimated to the extent necessary) reasonably incurred for, and properly allocable solely to, the supplies delivered (or services performed) and accepted by the Government and for which final prices have not been e…
- FAR 52.216-16 Incentive Price Revision—Firm Target.…d; (ii) The total costs (estimated to the extent necessary) reasonably incurred for, and properly allocable solely to, the supplies delivered (or services performed) and accepted by the Government and for which final prices have not been e…
- FAR 52.216-17 Incentive Price Revision—Successive Targets.…ed; (ii) The total cost (estimated to the extent necessary) reasonably incurred for, and properly allocable solely to, the supplies delivered (or services performed) and accepted by the Government and for which final prices have not been e…
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.