48 CFR · Federal Acquisition Regulation and Defense supplement

FAR and DFARS navigator

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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3 sections with “summary invoice”

  • FAR 13.303-3 Preparation of BPAs.
    …Government materially increases the administrative costs of this purchase method): (i) A summary invoice shall be submitted at least monthly or upon expiration of this BPA, whichever occurs first, for all deliveries made during a billing p…
  • FAR 15.408 Solicitation provisions and contract clauses.
    …st accounting system. E. When more than one line item is proposed, you must also provide summary total amounts covering all line items for each element of cost. F. Whenever you have incurred costs for work performed before submission of a…
  • FAR 52.216-7 Allowable Cost and Payment.
    … following data unless otherwise specified by the cognizant Federal agency official: (A) Summary of all claimed indirect expense rates, including pool, base, and calculated indirect rate. (B) General and Administrative expenses (final ind…

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.