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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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71 sections with “billing”: the first 40

  • FAR 42.704 Billing rates.
    … establishing the final indirect cost rates also shall be responsible for determining the billing rates. (b) The contracting officer (or cognizant Federal agency official) or auditor shall establish billing rates on the basis of informatio…
  • FAR 47.207-9 Annotation and distribution of shipping and billing documents.
    …y, and, if appropriate, the consignee for the annotation and distribution of shipping and billing documents. See 41 CFR part 102-118, Transportation Payment and Audit. (b) In instances of mass movements of freight made available to the con…
  • DFARS 252.204-7006 Billing Instructions—Cost Vouchers.
    As prescribed in 204.7109(b), use the following clause: Billing Instructions—Cost Vouchers (MAY 2023) When submitting a request for payment using a cost voucher, the Contractor shall— (a) Identify the contract line item(s) on the payment…
  • FAR 13.303-3 Preparation of BPAs.
    … or upon expiration of this BPA, whichever occurs first, for all deliveries made during a billing period, identifying the delivery tickets covered therein, stating their total dollar value, and supported by receipt copies of the delivery ti…
  • FAR 32.904 Determining payment due dates.
    …llows: (1) The later of the 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 Govern…
  • FAR 52.216-5 Price Redetermination—Prospective.
    …ting the redetermined prices that apply during the redetermination period. (g) Adjusting billing prices. Pending execution of the contract modification (see paragraph (f) above), the Contractor shall submit invoices or vouchers in accordan…
  • FAR 52.216-6 Price Redetermination—Retroactive.
    …on to this contract, signed by the Contractor and the Contracting Officer. (f) Adjusting billing prices. Pending execution of the contract modification (see paragraph (e) above), the Contractor shall submit invoices or vouchers in accordan…
  • FAR 52.216-7 Allowable Cost and Payment.
    … as prescribed by agency head; 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…
  • FAR 52.216-16 Incentive Price Revision—Firm Target.
    …icitly permitted or required by this or any other clause in this contract. (f) Adjusting billing prices. (1) Pending execution of the contract modification (see paragraph (e) above), the Contractor shall submit invoices or vouchers in acco…
  • FAR 52.216-17 Incentive Price Revision—Successive Targets.
    …ly permitted or required by this or any other clause in this contract. (h) Adjustment of billing prices. (1) Pending execution of the contract modification (see paragraph (e) above), the Contractor shall submit invoices or vouchers in acco…
  • FAR 52.232-25 Prompt payment.
    …t office is the later of the 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 Gove…
  • FAR 52.232-26 Prompt Payment for Fixed-Price Architect-Engineer Contracts.
    …Contractor, the later of the 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 Gov…
  • FAR 52.232-27 Prompt Payment for Construction Contracts.
    …n any project. (A) The due 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 recei…
  • DFARS 252.242-7005 Contractor business systems.
    …nce-based payments, and direct the Contractor, in writing, to withhold 5 percent from its billings on interim cost vouchers on cost-reimbursement, labor-hour, and time-and-materials contracts until the Contracting Officer has determined tha…
  • FAR 32.905 Payment documentation and process.
    …the contract. (3) If the invoice does not comply with these requirements, the designated billing office must return it within 7 days after receipt (3 days on contracts for meat, meat food products, or fish; 5 days on contracts for perishab…
  • FAR 16.403 Fixed-price incentive contracts.
    …e incentives to have a meaningful impact on the contractor's management of the work. (c) Billing prices. In fixed-price incentive contracts, billing prices are established as an interim basis for payment. These billing prices may be adjust…
  • FAR 32.906 Making payments.
    …incurring a late payment interest penalty. (4) When it is determined that the designated billing office erroneously rejected a proper invoice and upon resubmission of the invoice, will enter in the payment system the original date the invo…
  • FAR 52.241-6 Service Provisions.
    … in accordance with the policy of the cognizant regulatory body or applicable bylaws. All billings based on meter readings of less than __ days shall be prorated accordingly. (b) Meter test. (1) The Contractor, at its expense, shall period…
  • DFARS 252.242-7004 Material Management and Accounting System.
    …er charging. (iii) The system should transfer parts and associated costs within the same billing period. In the few instances where this may not be appropriate, the Contractor may accomplish the material transaction using a loan/pay-back t…
  • DFARS 252.242-7006 Accounting System Administration.
    …d mischarges are minimized; and (4) Contract allocations and charges are consistent with billing procedures. Accounting system means the Contractor's system or systems for accounting methods, procedures, and controls established to gather…
  • FAR 31.201-6 Accounting for unallowable costs.
    …ed to be unallowable directly associated costs, shall be identified and excluded from any billing, claim, or proposal applicable to a Government contract. A directly associated cost is any cost that is generated solely as a result of incurr…
  • FAR 32.001 Definitions.
    …payments. Delivery payments are invoice payments for prompt payment purposes. Designated billing office means the office or person (governmental or nongovernmental) designated in the contract where the contractor first submits invoices and…
  • FAR 32.007 Contract financing payments.
    … financing payments by the 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 co…
  • FAR 32.601 General.
    …of the contract. (b) Contract debts include, but are not limited to, the following: (1) Billing and price reductions resulting from contract terms for price redetermination or for determination of prices under incentive type contracts. (…
  • FAR 32.907 Interest penalties.
    …, when all of the following conditions, if applicable, have been met: (1) The designated billing office received a proper invoice. (2) The Government processed a receiving report or other Government documentation authorizing payment, and …
  • FAR 42.302 Contract administration functions.
    …w or not Recognize Costs (see subpart 42.8). (9) Establish final indirect cost rates and billing rates for those contractors meeting the criteria for contracting officer determination in subpart 42.7. (10) Attempt to resolve issues in con…
  • FAR 42.705-3 Educational institutions.
    …it Offices (see 42.103). (3) The cognizant agency for indirect costs shall establish the billing rates and final indirect cost rates at the educational institution (defined as an institution of higher education in 2 CFR 200, subpart A, and…
  • FAR 49.303-4 Adjustment of indirect costs.
    …e contract period for which final indirect cost rates have not been negotiated, or to use billing rates as final rates for this period if the billing rates appear reasonable; or (2) Reserve any indirect cost adjustment in the final settlem…
  • FAR 51.105 Payment for shipments.
    …lies ordered from Government stock until after the supplies have been shipped. Receipt of billing is sufficient evidence to establish contractor liability and to provide a basis for payment. Contracting officers should direct their contract…
  • FAR 52.232-7 Payments under Time-and-Materials and Labor-Hour Contracts.
    …rally issue a contract modification requiring the Contractor to withhold amounts from its billings until a reserve is set aside in an amount that the Contracting Officer considers necessary to protect the Government's interests. The Contrac…
  • FAR 52.242-3 Penalties for Unallowable Costs.
    …the expiration of its fiscal year which— (i) Relates to any payment made on the basis of billing rates; or (ii) Will be used in negotiating the final contract price; or (2) The final statement of costs incurred and estimated to be incurr…
  • DFARS 232.206 Solicitation provisions and contract clauses.
    …or entitlement date specified in the contract, or 30 days after receipt by the designated billing office of a proper request for payment, whichever is later. (ii) Commercial interim payments: The contractor entitlement date specified in th…
  • DFARS 242.7501 Definitions.
    …d mischarges are minimized; and (4) Contract allocations and charges are consistent with billing procedures. Accounting system means the contractor's system or systems for accounting methods, procedures, and controls established to gather…
  • DFARS 252.251-7000 Ordering from Government supply sources.
    …shall govern. (3) The completed address(es) to which the Contractor's mail, freight, and billing documents are to be directed. (b) When placing orders under nonmandatory schedule contracts and requirements contracts, issued by the General…
  • FAR 8.406-1 Order placement.
    …addition to any information required by the schedule contract: (1) Complete shipping and billing addresses. (2) Contract number and date. (3) Agency order number. (4) F.o.b. delivery point; i.e., origin or destination. (5) Discount ter…
  • FAR 13.303-2 Establishment of BPAs.
    …uring maximum discounts; (2) Documenting individual purchase transactions; (3) Periodic billings; and (4) Incorporating other necessary details.
  • FAR 15.403-2 Other circumstances where certified cost or pricing data are not required.
    …or pricing data are not required for proposals used solely for overrun funding or interim billing price adjustments.
  • FAR 15.407-1 Defective certified cost or pricing data.
    …cing, the date payment was made to the prime contractor, based on prime contract progress billings or deliveries, which included payments for a completed and accepted subcontract item); and (C) Apply the underpayment interest rate(s) in ef…
  • FAR 16.206-2 Application.
    …der stated circumstances. (b) The contract should be awarded only after negotiation of a billing price that is as fair and reasonable as the circumstances permit. (c) Since this contract type provides the contractor no cost control incent…
  • FAR 30.605 Processing noncompliances.
    …he Government, in the aggregate; and (4) The net effect of any interim and final voucher billing adjustments made to correct a cost accumulation noncompliance will not result in the recovery of more than the increased cost paid by the Gove…

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.