FAR and DFARS › FAR Part 4: Administrative and Information Matters › Subpart 4.20
FAR 4.2002 Prohibition.
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.
In plain English
This section prohibits the Government from using any hardware, software, or services developed or provided by a covered entity on or after October 1, 2018. It also prohibits contractors from providing or using Kaspersky Lab covered articles in the performance of a Government contract. This matters because contractors must avoid these products and services to remain compliant.
Applies to: Contractors performing Government contracts
What it requires
- Do not provide any Kaspersky Lab covered article that the Government will use on or after October 1, 2018.
- Do not use 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.
Key terms: covered entity · Kaspersky Lab covered article
Written by AI from this section's text. A guide, not legal advice: the text below rules.
The text
Section 1634 of Division A of the National Defense Authorization Act for Fiscal Year 2018 (Pub. L. 115-91) prohibits Government use on or after October 1, 2018, of any hardware, software, or services developed or provided, in whole or in part, by a covered entity. Contractors are prohibited from—
(a) Providing any Kaspersky Lab covered article that the Government will use on or after October 1, 2018; and
(b) 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.
← 4.2001 Definitions. · 4.2003 Notification. →
Rule changes for FAR Part 4
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 1, 2, 4, 33, 39, 40, and 53 ↗ · proposed 2026-06-23 · comments due 2026-07-23
- Federal Acquisition Regulation: Inflation Adjustment of Acquisition-Related Thresholds ↗ · final rule 2025-08-27 · effective 2025-10-01
- Federal Acquisition Regulation: Small Business Innovation Research and Technology Transfer Programs ↗ · proposed 2025-06-12
- Federal Acquisition Regulation: Controlled Unclassified Information ↗ · proposed 2025-01-15 · comments due 2025-03-17
- Federal Acquisition Regulation: Disclosure of Greenhouse Gas Emissions and Climate-Related Financial Risk ↗ · proposed 2025-01-13
- Federal Acquisition Regulation: Rerepresentation of Size and Socioeconomic Status ↗ · final rule 2025-01-03 · effective 2025-01-17
- Federal Acquisition Regulation: Prohibition on Unmanned Aircraft Systems From Covered Foreign Entities ↗ · final rule 2024-12-30
- Federal Acquisition Regulation: Inflation Adjustment of Acquisition-Related Thresholds ↗ · proposed 2024-11-29 · comments due 2025-01-28
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.