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DHS/CISA RIN: 1670-AA01 Publication ID: Spring 2023 
Title: Chemical Facility Anti-Terrorism Standards (CFATS)  

The Cybersecurity and Infrastructure Security Agency (CISA) previously invited public comment on an Advance Notice of Proposed Rulemaking (ANPRM) during August 2014 for potential revisions to the Chemical Facility Anti-Terrorism Standards (CFATS) regulations. The ANPRM provided an opportunity for the public to provide recommendations for possible program changes. In June 2020, CISA published for public comment a retrospective analysis of the CFATS program. And in January 2021, CISA invited additional public comment through an ANPRM concerning the removal of certain explosive chemicals from CFATS. CISA intends to address many of the subjects raised in both ANPRMs and the retrospective analysis in this regulatory action, including potential updates to CFATS cybersecurity requirements and Appendix A to the CFATS regulations.

Agency: Department of Homeland Security(DHS)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 6 CFR 27   
Legal Authority: 6 U.S.C. 621 to 629   
Legal Deadline:  None
Action Date FR Cite
ANPRM  08/18/2014  79 FR 48693   
ANPRM Comment Period End  10/17/2014 
ANPRM  01/06/2021  86 FR 495   
Announcement of Availability; Retrospective Analysis  06/22/2020  85 FR 37393   
Announcement of Availability; Retrospective Analysis Comment Period End  09/21/2020 
NPRM  06/00/2023 
Regulatory Flexibility Analysis Required: Yes  Government Levels Affected: Federal, Local, State 
Small Entities Affected: Businesses  Federalism: No 
Included in the Regulatory Plan: Yes 
RIN Information URL:   Public Comment URL:  
RIN Data Printed in the FR: Yes 
Related RINs: Previously reported as 1601-AA69, Merged with 1670-AA03 
Agency Contact:
Ryan Donaghy
Deputy Branch Chief for Chemical Security Policy, Rulemaking, and Engagement
Department of Homeland Security
Cybersecurity and Infrastructure Security Agency
245 Murray Lane SW, Mail Stop 0610,
Arlington, VA 20528
Phone:571 532-4127