FAR clauses/Part 4/Checked 15 Sep 2026
FAR 52.204-23
Prohibition on Contracting for Hardware, Software, and Services Developed or Provided by Kaspersky Lab Covered Entities
- Clause date
- DEC 2023
- Prescribed at
- FAR 4.2004. Insert in all solicitations and contracts.
- Applies to
- All solicitations and contracts.
- Flowdown
- Flows down
52.204-23(d) requires the substance of the clause, including paragraph (d), in all subcontracts, including subcontracts for the acquisition of commercial products or commercial services. Also listed in 52.212-5(e)(1) and 52.244-6(c)(1). - Full text
- FAR 52.204-23 on Acquisition.gov
… Section 1634 of Division A of the National Defense Authorization Act for Fiscal Year 2018 (Pub. L. 115-91) prohibits Government use of any Kaspersky Lab covered article. The Contractor is prohibited from— (1) Providing any Kaspersky Lab covered article that the Government will use on or after October 1, 2018; and (2) Using any Kaspersky Lab covered article on or after October 1, 2018, in the development of data or deliverables first produced in the performance of the contract. …
From the clause · Codified FAR · FAC 2026-01
Why it matters: If a covered article turns up in performance, paragraph (c) requires a written report within 3 business days to the CO, or for DoD at dibnet.dod.mil, including when a subcontractor at any tier is the one who finds it.
This is the codified text, not any agency's Revolutionary FAR Overhaul deviation. An agency running a class deviation may have this clause renumbered, rewritten or prescribed differently — check the deviation before you put a clause in a solicitation.
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