Final rule · 2025-01243

Ratification of Security Directives

The Department of Homeland Security (DHS) is publishing official notice that the Transportation Security Oversight Board (TSOB) ratified Transportation Security Administration (TSA) Security Directive Pipeline-2021-01D and Security Directive Pipeline-2021-02E, applicable to owners and operators of critical hazardous liquid and natural gas pipeline infrastructure (owner/operators). Security Directive Pipeline-2021-01D, issued on May 29, 2024, extended the requirements of the Security Directive Pipeline-2021-01 series for an additional year, with minor revisions. Security Directive Pipeline- 2021-02E, issued on July 26, 2024, extended the requirements of the Security Directive Pipeline-2021-02 series for an additional year, with amendments to strengthen their effectiveness and provide additional clarity.