Data / Federal rules / 2025-01422
Ratification of Security Directives
The Homeland Security Department published this final rule in the Federal Register on January 21, 2025.
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What the agency says
The Department of Homeland Security (DHS) is publishing official notice that the Transportation Security Oversight Board (TSOB) has ratified Transportation Security Administration (TSA) Security Directive 1580-21-01B, Security Directive 1582-21-01B, Security Directive 1580/82-2022-01A, and Security Directive 1580/82-2022-01C applicable to owners and operators of critical rail entities (owners/ operators). Security Directive 1580-21-01B and Security Directive 1582- 21-01B extended the requirements of 1580-21-01 and 1582-21-01 series for an additional year, with minor revisions. Security Directive 1580/ 82-2022-01A and Security Directive 1580/82-2022-01C extend the performance-based requirements of the 1580/82-2022-01 series for an additional year and amends them to strengthen their effectiveness and address emerging cyber threats.
Key facts
- Document number
- 2025-01422
- Type
- Final rule
- Action
- Notification of ratification of security directives
- Agency
- Homeland Security Department
- Published
- January 21, 2025
- Dates
- The TSOB ratified Security Directive 1580-21-01B, Security Directive 1582-21-01B, and Security Directive 1580/82-2022-01A on November 22, 2023. The TSOB ratified Security Directive 1580/82-2022- 01C on July 29, 2024.
- Pages
- 3
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Everything from the Homeland Security Department · Published in January 2025
Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.