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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9 sections with “class nonavailability determination”

  • DFARS 225.7018-4 Nonavailability determination.
    …tification when individual nonavailability determinations are requested, but denied. (b) Class nonavailability determinations. A class nonavailability determination (i.e., a nonavailability determinations that applies to more than one cont…
  • DFARS 252.225-7045 Balance of Payments Program—Construction Material Under Trade Agreements.
    …for a contract in accordance with FAR 25.201(c). Components of foreign origin of the same class or kind for which nonavailability determinations have been made are treated as domestic. Components of unknown origin are treated as foreign; or…
  • DFARS 252.225-7044 Balance of Payments Program—Construction Material.
    …for a contract in accordance with FAR 25.201(c). Components of foreign origin of the same class or kind for which nonavailability determinations have been made are treated as domestic. Components of unknown origin are treated as foreign; or…
  • FAR 25.103 Exceptions.
    …th respect to articles, materials, or supplies if articles, materials, or supplies of the class or kind to be acquired, either as end items or components, are not mined, produced, or manufactured in the United States in sufficient and reaso…
  • FAR 25.003 Definitions.
    …or a contract in accordance with FAR 25.201(c)). Components of foreign origin of the same class or kind for which nonavailability determinations have been made are treated as domestic. Components of unknown origin are treated as foreign; or…
  • DFARS 225.7003-3 Exceptions.
    … A domestic nonavailability determination that applies to more than one contract (i.e., a class domestic nonavailability determination), requires the approval of the USD(A&S). (A) At least 30 days before making a domestic nonavailability d…
  • FAR 52.225-9 Buy American—Construction Materials.
    … items delivered starting in calendar year 2029. Components of foreign origin of the same class or kind for which nonavailability determinations have been made are treated as domestic. Components of unknown origin are treated as foreign; or…
  • FAR 52.225-11 Buy American—Construction Materials Under Trade Agreements.
    … items delivered starting in calendar year 2029. Components of foreign origin of the same class or kind for which nonavailability determinations have been made are treated as domestic. Components of unknown origin are treated as foreign; or…
  • DFARS 252.225-7052 Restriction on the Acquisition of Certain Magnets, Tantalum, and Tungsten.
    …lloy that— (1) Meets the specifications of ASTM B777 or SAE-AMS-T-21014 for a particular class of tungsten heavy alloy; or (2) Contains at least 90 percent tungsten in a matrix of other metals (such as nickel-iron or nickel-copper) and ha…

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.