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Notices and Rulemaking Documents

The following PHMSA rules and notices are linked to the Federal Register website. The Federal Register is the Federal Government’s official daily publication of rules, proposed rules, and notices of federal agencies, and provides a forum for public participation in the democratic process. You may filter between Rules and Notices using the Document Type dropdown. The Topic dropdown will provide you rules associated with that topic while the Subject dropdown will provide you Notices and Rules that mention that subject.

The Federal Register provides notices dating back to 1995. If you need to see notices prior to 1995, please contact:

Office of Hazardous Materials Safety: 202-366-4488
Office of Pipeline Safety: 202-366-4595

The Federal Register provides rulemaking documents dating back to 1995. If you need to see rules prior to 1995, please visit our rulemakings archives:

Hazardous Materials Safety Rulemaking Archive
Pipeline Safety Rulemaking Archive

Displaying 1 - 50 of 230

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Date Sort ascending Subject Document Type Part
04/10/2024 Hazardous Materials: Harmonization With International Standards Rule 171, 172, 173, 175, 176, 178, 180
03/04/2024 Hazardous Materials: Adoption of Miscellaneous Petitions and Updating Regulatory Requirements Rule 107, 171, 172, 173, 178, 180
12/28/2023 Revisions to Civil Penalty Amounts, 2024 Rule 107, 171, 190
11/30/2023 Hazardous Materials: Streamlining Requirements for the Approval of Certain Energetic Materials Proposed Rule 107, 171, 173
09/07/2023 Pipeline Safety: Safety of Gas Distribution Pipelines and Other Pipeline Safety Initiatives Proposed Rule 191, 192, 198
09/01/2023 Hazardous Materials: Suspension of HMR Amendments Authorizing Transportation of Liquefied Natural Gas by Rail Rule 172
08/01/2023 Pipeline Safety: Requirement of Valve Installation and Minimum Rupture Detection Standards: Technical Corrections Rule 192, 195
06/27/2023 Hazardous Materials: FAST Act Requirements for Real-Time Train Consist Information Proposed Rule 171, 174, 180
05/30/2023 Hazardous Materials: Harmonization With International Standards Proposed Rule 171, 172, 173, 175, 176, 178, 180
05/18/2023 Pipeline Safety: Gas Pipeline Leak Detection and Repair Proposed Rule 191, 192, 193
03/03/2023 Hazardous Materials: Adoption of Miscellaneous Petitions and Updating Regulatory Requirements Proposed Rule 107, 171, 172, 173, 178, 180
01/06/2023 Revisions to Civil Penalty Amounts Rule 107, 171, 190
12/21/2022 Hazardous Materials: Enhanced Safety Provisions for Lithium Batteries Transported by Aircraft (FAA Reauthorization Act of 2018) Rule 107, 171, 173
09/12/2022 Hazardous Materials: Compatibility With the Regulations of the International Atomic Energy Agency Proposed Rule 171, 172, 173, 174, 175, 176, 177
07/26/2022 Hazardous Materials: Harmonization With International Standards Rule 171, 172, 173, 175, 176, 178, 180
05/11/2022 Administrative Rulemaking-Criminal Referrals Rule 107, 190
05/04/2022 Pipeline Safety: Safety of Gas Gathering Pipelines: Extension of Reporting Requirements, Regulation of Large, High-Pressure Lines, and Other Related Amendments: Response to a Petition for Reconsideration; Technical Corrections; Issuance of Limited Enforcement Discretion Rule 191, 192
04/08/2022 Pipeline Safety: Requirement of Valve Installation and Minimum Rupture Detection Standards Rule 192, 195
03/21/2022 Revisions to Civil Penalty Amounts Rule 107, 171, 190
11/15/2021 Pipeline Safety: Safety of Gas Gathering Pipelines: Extension of Reporting Requirements, Regulation of Large, High-Pressure Lines, and Other Related Amendments Rule 191, 192
11/08/2021 Hazardous Materials: Suspension of HMR Amendments Authorizing Transportation of Liquefied Natural Gas by Rail Proposed Rule 172
08/10/2021 Hazardous Materials: Harmonization With International Standards Proposed Rule 171, 172, 173, 175, 176, 178, 180
06/02/2021 Civil Penalty Amounts; Correction Rule 107
05/03/2021 Civil Penalty Amounts Rule 107, 171, 190
04/02/2021 Administrative Rulemaking, Guidance, and Enforcement Procedures Rule 106
01/15/2021 Pipeline Safety: Periodic Updates of Regulatory References to Technical Standards and Miscellaneous Amendments Proposed Rule 191, 192, 195
01/11/2021 Revisions to Civil Penalty Amounts Rule 107, 171, 190
12/28/2020 Hazardous Materials: Miscellaneous Amendments Pertaining to DOT-Specification Cylinders Rule 107, 171, 173, 178, 180
12/21/2020 Hazardous Materials: Editorial Corrections and Clarifications Rule 106, 107, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180
11/25/2020 Hazardous Materials: Adoption of Miscellaneous Petitions To Reduce Regulatory Burdens Rule 107, 171, 172, 173, 178, 179, 180
10/30/2020 Hazardous Materials: Response to an Industry Petition To Reduce Regulatory Burden for Cylinder Requalification Requirements Rule 180
07/24/2020 Hazardous Materials: Liquefied Natural Gas by Rail Rule 172, 173, 174, 179, 180
07/06/2020 Pipeline Safety: Safety of Gas Transmission Pipelines: MAOP Reconfirmation, Expansion of Assessment Requirements, and Other Related Amendments: Response to a Joint Petition for Reconsideration Rule 192
05/11/2020 Hazardous Materials: Harmonization With International Standards Rule 171, 172, 173, 174, 175, 176, 178, 180
04/16/2020 Pipeline Safety: Regulatory Reform for Hazardous Liquid Pipelines Proposed Rule 190, 194, 195
02/06/2020 Pipeline Safety: Valve Installation and Minimum Rupture Detection Standards Proposed Rule 192, 195
10/24/2019 Hazardous Materials: Liquefied Natural Gas by Rail Proposed Rule 172, 173
10/01/2019 Pipeline Safety: Safety of Gas Transmission Pipelines: MAOP Reconfirmation, Expansion of Assessment Requirements, and Other Related Amendments Rule 191, 192
08/14/2019 Hazardous Materials: Adoption of Miscellaneous Petitions To Reduce Regulatory Burdens Proposed Rule 107, 171, 172, 173, 178, 179, 180
08/06/2019 Hazardous Materials: Response to an Industry Petition To Reduce Regulatory Burden for Cylinder Requalification Requirements Proposed Rule 180
07/31/2019 Revisions to Civil Penalty Amounts Rule 107, 171, 190
04/23/2019 Conforming Amendments and Technical Corrections to Department Rules Implementing the Transportation Industry Drug Testing Program Rule 199
03/06/2019 Hazardous Materials: Enhanced Safety Provisions for Lithium Batteries Transported by Aircraft (FAA Reauthorization Act of 2018) Rule 172, 173
02/28/2019 Hazardous Materials: Oil Spill Response Plans and Information Sharing for High-Hazard Flammable Trains (FAST Act) Rule 107, 130, 171, 173, 174
02/14/2019 Hazardous Materials: Revisions to Hazardous Materials Grants Requirements (FAST Act) Rule 107, 110
11/27/2018 Revisions to Civil Penalty Amounts Rule 107, 171, 190
11/27/2018 Hazardous Materials: Harmonization With International Standards Proposed Rule 171, 172, 173, 175, 176, 178, 180
11/07/2018 Hazardous Materials: Response to Petitions From Industry To Modify, Clarify, or Eliminate Regulations Rule 171, 172, 173, 176, 178, 180
10/18/2018 Hazardous Materials: Notification of the Pilot-in-Command and Response to Air Related Petitions for Rulemaking Rule 172, 175
09/25/2018 Hazardous Materials: Removal of Electronically Controlled Pneumatic Brake System Requirements for High Hazard Flammable Unit Trains Rule 174, 179