Ratification of Security Directives

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Homeland Security 6 CFR Chapter I 49 CFR Chapter XII ( printed page 5491) AGENCY: Office of Strategy, Policy, and Plans, Department of Homeland Security (DHS). ACTION: Notice of ratification of security directives. SUMMARY: 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. DATES: The TSOB ratified Security Directive Pipeline-2021-01D on June 28, 2024 and Security Directive Pipeline-2021-02E on August 23, 2024. FOR FURTHER INFORMATION CONTACT: Thomas McDermott, Deputy Assistant Secretary for Cyber, Infrastructure, Risk and Resilience Policy, at 202-834-5803 or thomas.mcdermott@hq.dhs.gov . SUPPLEMENTARY INFORMATION: I. Background A. Cybersecurity Threat The cyber threat to the country's critical infrastructure has …