FAR and DFARS › FAR Part 4: Administrative and Information Matters › Subpart 4.19
FAR 4.1903 Contract clause.
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 tells the contracting officer to include the clause at 52.204-21, Basic Safeguarding of Covered Contractor Information Systems, in solicitations and contracts. It matters to contractors because it applies when Federal contract information may reside in or pass through their information systems, or those of a subcontractor at any tier.
Applies to: Contracting officers issuing solicitations and contracts where Federal contract information may be in a contractor's or subcontractor's information system
Key terms: 52.204-21 · Basic Safeguarding of Covered Contractor Information Systems · Federal contract information · subcontractor at any tier · information system
Written by AI from this section's text. A guide, not legal advice: the text below rules.
The text
The contracting officer shall insert the clause at 52.204-21, Basic Safeguarding of Covered Contractor Information Systems, in solicitations and contracts when the contractor or a subcontractor at any tier may have Federal contract information residing in or transiting through its information system.
Sections it refers to
- 52.204-21 Basic Safeguarding of Covered Contractor Information Systems.
← 4.1902 Applicability. · 4.2001 Definitions. →
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.