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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7 sections with “acknowledgement”

  • FAR 32.805 Procedure.
    …r of receipt, and signed by the person acknowledging receipt on behalf of the addressee. Acknowledgement Receipt is acknowledged of the above notice and of a copy of the instrument of assignment. They were received at ____ (a.m.) (p.m.) o…
  • FAR 52.214-3 Amendments to Invitations for Bids.
    …l, if email bids are authorized in the solicitation. (2) The Government must receive the acknowledgement by the time and at the place specified for receipt of bids. (End of provision)
  • DFARS 227.7004 Requirements for filing an administrative claim for patent infringement.
    …r departments that may have an interest therein with a copy of such communication and the acknowledgement thereof. (1) For the Department of the Army—Chief, Patents, Copyrights, and Trademarks Division, U.S. Army Legal Services Agency; (2…
  • DFARS 227.7005 Indirect notice of patent infringement claims.
    …227.7004(c)) which may have an interest therein with a copy of such communication and the acknowledgement thereof. (c) If a communication covering an infringement claim or notice which does not meet the requirements of 227.7004(a) is recei…
  • DFARS 227.7010 Assignments.
    …atent rights to the Government. (b) To facilitate proof of contracts of assignments, the acknowledgement of the contractor should be executed before a notary public or other officer authorized to administer oaths (35 U.S.C. 261).
  • DFARS 235.072 Additional contract clauses.
    …uency Allocation, to obtain frequency authorization. (c) Use the clause at 252.235-7010, Acknowledgement of Support and Disclaimer, in solicitations and contracts for research and development. (d) Use the clause at 252.235-7011, Final Sci…
  • DFARS 252.251-7000 Ordering from Government supply sources.
    …ct number using the DLMS Supplement 527R, Receipt, Inquiry, Response and Material Receipt Acknowledgement. (e) Only the Contractor may request authorization for subcontractor use of Government supply sources. The Contracting Officer will n…

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.