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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1 section with “PGI 237.503”

  • DFARS 237.503 Agency-head responsibilities.
    …uthorized personal services contract. Contracting officers shall follow the procedures at PGI 237.503, include substantially similar certifications in conjunction with service contract requirements, and place the certification in the contra…

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.