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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2 sections with “HMRC Notice 431”

  • DFARS 252.229-7006 Value Added Tax Exclusion (United Kingdom)
    … between the appropriate United States authorities and Her Majesty's Revenue and Customs (HMRC) (Reference HMRC Notice 431, entitled “Relief from Customs Duty and/or Value Added Tax on United States Government Expenditures in the United Kin…
  • DFARS 252.229-7008 Relief from Import Duty (United Kingdom)
    …import duty paid. The Contractor is advised to contact Her Majesty's Revenue and Customs (HMRC) to obtain a refund upon completion of the contract (Reference HMRC Notice No. 431, entitled “Relief from Customs Duty and/or Value Added Tax on …

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.