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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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98 sections with “proper request for payment”: the first 40

  • FAR 52.232-26 Prompt Payment for Fixed-Price Architect-Engineer Contracts.
    …he following two events: (A) The 30th day after the designated billing office receives a proper invoice from the Contractor (except as provided in paragraph (a)(1)(iii) of this clause). (B) The 30th day after Government acceptance of the …
  • FAR 52.232-27 Prompt Payment for Construction Contracts.
    …e date for making such payments is 14 days after the designated billing office receives a proper payment request. If the designated billing office fails to annotate the payment request with the actual date of receipt at the time of receipt,…
  • FAR 52.232-32 Performance-Based Payments.
    …lier under this contract in the ordinary course of business. (f) Title. (1) Title to the property described in this paragraph (f) shall vest in the Government. Vestiture shall be immediately upon the date of the first performance-based pay…
  • FAR 52.232-30 Installment Payments for Commercial Products and Commercial Services.
    …inancing installment payment as specified in this contract when: the payment requested is properly due in accordance with this contract; the supplies deliverable or services due under the contract will be delivered or performed in accordanc…
  • FAR 52.232-33 Payment by Electronic Funds Transfer—System for Award Management.
    …tered into SAM; and any invoice or contract financing request shall be deemed not to be a proper invoice for the purpose of prompt payment under this contract. The prompt payment terms of the contract regarding notice of an improper invoice…
  • FAR 52.232-34 Payment by Electronic Funds Transfer—Other than System for Award Management.
    …ct EFT information, any invoice or contract financing request shall be deemed not to be a proper invoice for the purpose of prompt payment under this contract. The prompt payment terms of the contract regarding notice of an improper invoice…
  • DFARS 252.232-7012 Performance-Based Payments—Whole-Contract Basis.
    …ot require certification of incurred costs. (d) Security for financing. (1) Title to the property described in paragraph (f) of the clause at FAR 52.232-32, Performance-Based Payments, is the preferred security for receipt of performance-b…
  • DFARS 252.232-7013 Performance-Based Payments—Deliverable-Item Basis.
    …ot require certification of incurred costs. (d) Security for financing. (1) Title to the property described in paragraph (f) of the clause at FAR 52.232-32, Performance-Based Payments, is the preferred security for receipt of performance-b…
  • FAR 32.904 Determining payment due dates.
    …he following two events: (i) The 30th day after the designated billing office receives a proper invoice from the contractor (except as provided in paragraph (b)(3) of this section). (ii) The 30th day after Government acceptance of supplie…
  • FAR 32.905 Payment documentation and process.
    (a) General. Payment will be based on receipt of a proper invoice and satisfactory contract performance. (b) Content of invoices. (1) A proper invoice must include the following items (except for interim payments on cost reimbursement cont…
  • 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 52.232-16 Progress Payments.
    …) Costs ordinarily capitalized and subject to depreciation or amortization except for the properly depreciated or amortized portion of such costs. (iv) Payments made or amounts payable to subcontractors or suppliers, except for— (A) Compl…
  • FAR 52.232-25 Prompt payment.
    …he following two events: (A) The 30th day after the designated billing office receives a proper invoice from the Contractor (except as provided in paragraph (a)(1)(ii) of this clause). (B) The 30th day after Government acceptance of suppl…
  • FAR 52.237-4 Payment by Government to Contractor.
    …ines that the Government shall make payment to the contractor in addition to any title to property that the contractor may receive under the contract: Payment by Government to Contractor (APR 1984) (a) In ___ [insert full if Alternate I i…
  • FAR 52.237-5 Payment by Contractor to Government.
    …l of improvements whenever the contractor is to receive title to dismantled or demolished property and a net amount of compensation is due to the Government, except if the contracting officer determines that it would be advantageous to the …
  • FAR 52.237-6 Incremental Payment by Contractor to Government.
    …val of improvements (a) if the contractor is to receive title to dismantled or demolished property and a net amount of compensation is due the Government, and (b) if the contracting officer determines that it would be advantageous to the Go…
  • FAR 52.249-2 Termination for Convenience of the Government (Fixed-Price).
    …ed, and (ii) the completed or partially completed plans, drawings, information, and other property that, if the contract had been completed, would be required to be furnished to the Government. (7) Complete performance of the work not term…
  • FAR 52.249-3 Termination for Convenience of the Government (Dismantling, Demolition, or Removal of Improvements).
    …the extent of termination and the effective date. Upon receipt of the notice, if title to property is vested in the Contractor under this contract, it shall revest in the Government regardless of any other clause of this contract, except fo…
  • 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. …
  • FAR 32.112-2 Subcontractor requests for information.
    …der to be kept classified in the interest of national defense or foreign policy; and (2) Properly classified pursuant to such Executive order.
  • FAR 32.503-4 Approval of progress payment requests.
    …amount should be withheld, subject to later adjustment after review or audit; any clearly proper and due amounts should be paid without awaiting resolution of the differences.
  • 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 52.232-29 Terms for Financing of Purchases of Commercial Products and Commercial Services.
    … financing payment as specified elsewhere in this contract when: the payment requested is properly due in accordance with this contract; the supplies deliverable or services due under the contract will be delivered or performed in accordanc…
  • DFARS 252.236-7003 Payment for mobilization and preparatory work.
    … the efficient prosecution of the contract; and (ii) Preparatory work has been done with proper economy and efficiency. (2) Payments for construction plant, equipment, material, and structures and facilities prepared or erected for prosec…
  • 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…
  • DFARS 212.301 Solicitation provisions and contract clauses for the acquisition of commercial products and commercial services.
    …h customary commercial practices (section 874(b)(1)(A), Pub. L. 114-328). (i) Part 203—Improper Business Practices and Personal Conflicts of Interest. (A) Use the FAR clause at 52.203-3, Gratuities, as prescribed in FAR 3.202, to comply wi…
  • DFARS 217.7003 Purchase request.
    …es all of the following in support of the purchase request— (a) A certification that the property is eligible for exchange and complies with all conditions and limitations of DoD Manual 4140.01, Volume 9, DoD Supply Chain Materiel Manageme…
  • FAR 2.101 Definitions.
    …with research, planning, development, design, construction, alteration, or repair of real property; and (3) Those other professional services of an architectural or engineering nature, or incidental services, that members of the architectu…
  • FAR 32.007 Contract financing payments.
    … designated payment office is the 30th day after the designated billing office receives a proper contract financing request. (2) If an audit or other review of a specific financing request is required to ensure compliance with the terms an…
  • FAR 42.302 Contract administration functions.
    …ess and execute novation and change of name agreements under subpart 42.12. (27) Perform property administration (see part 45). (28) Perform necessary screening, redistribution, and disposal of contractor inventory. (29) Issue contract m…
  • 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 52.212-4 Contract Terms and Conditions—Commercial Products and Commercial Services.
    …anking information is not required to be on the invoice, in order for the invoice to be a proper invoice, the Contractor shall have submitted correct EFT banking information in accordance with the applicable solicitation provision, contract…
  • FAR 52.229-4 Federal, State, and Local Taxes (State and Local Adjustments).
    …on reduced during the contract period, other than an excepted tax, on the transactions or property covered by this contract that the Contractor is required to pay or bear as the result of legislative, judicial, or administrative action taki…
  • FAR 52.232-5 Payments Under Fixed-Price Construction Contracts.
    …and work covered by progress payments made shall, at the time of payment, become the sole property of the Government, but this shall not be construed as— (1) Relieving the Contractor from the sole responsibility for all material and work u…
  • FAR 52.232-7 Payments under Time-and-Materials and Labor-Hour Contracts.
    …, that are found by the Contracting Officer or authorized representative not to have been properly payable and shall also be subject to reduction for overpayments or to increase for underpayments. Upon receipt and approval of the voucher de…
  • FAR 52.245-9 Use and Charges.
    …efinitions applicable to this contract are provided in the clause at 52.245-1, Government Property. Additional definitions as used in this clause include: Rental period means the calendar period during which Government property is made ava…
  • FAR 52.249-5 Termination for Convenience of the Government (Educational and Other Nonprofit Institutions).
    …y, or that the Contracting Officer may direct, for the protection and preservation of the property related to this contract that is in the possession of the Contractor and in which the Government has or may acquire an interest. (9) Use its…
  • FAR 52.249-6 Termination (Cost-Reimbursement).
    …inated, (ii) the completed or partially completed plans, drawings, information, and other property that, if the contract had been completed, would be required to be furnished to the Government, and (iii) the jigs, dies, fixtures, and other …
  • DFARS 252.217-7007 Payments.
    …and less the amount of any previous payments. (f) All materials, equipment, or any other property or work in process covered by the progress payments made by the Government, upon the making of those progress payments, shall become the sole…

FAR (chapter 1)

DFARS (chapter 2, Defense)

Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.