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 “limited-source justifications”

  • FAR 5.406 Public disclosure of justification documents for certain contract actions.
    …ls for other than full and open competition must be posted in accordance with 6.305. (b) Limited-source justifications (excluding brand name) for FSS orders or blanket purchase agreements with an estimated value greater than the simplified…
  • FAR 8.405-6 Limiting sources.
    …ures. The original order or BPA must not have been previously issued under sole-source or limited-sources procedures. (ii) See 8.405-6(c) for the content of the justification for an order or BPA exceeding the simplified acquisition thresho…
  • FAR 5.301 General.
    …— (i) Federal Supply Schedule (FSS) orders or Blanket Purchase Agreements supported by a limited-source justification (excluding brand name) in accordance with 8.405-6; or (ii) Task or delivery orders awarded without providing fair opport…

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.