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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2 sections with “standardization, rationalization, and interoperability”

  • DFARS 225.871-2 Definitions.
    … in a written agreement between the parties; (2) Undertaken to further the objectives of standardization, rationalization, and interoperability of the armed forces of NATO member countries; and (3) Providing for— (i) One or more of the o…
  • DFARS 225.871-3 General.
    …he terms of a written cooperative project agreement; (2) Will significantly further NATO standardization, rationalization, and interoperability; and (3) Is approved by the appropriate DoD official.

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.