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Pipeline and Hazardous Materials Safety Administration

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Rulemaking Documents

The following DOT Rules 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.

To learn more about DOT Rules, choose a document type, topic, or conduct a title search by keyword. Results will include a summary of the Rule and a link to the PDF of the appropriate Federal Register page. 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
Date Subject Part
03/11/2013 Hazardous Materials; Miscellaneous Amendments (RRR) 105 171 172 173 177 178 180
03/07/2013 Hazardous Materials: Miscellaneous Petitions for Rulemaking (RRR) 172 173 176 178
02/06/2013 Hazardous Materials: Harmonization with International Standards (RRR) 172
01/07/2013 Hazardous Materials: Harmonization With the United Nations Recommendations on the Transport of Dangerous Goods: Model Regulations, International Maritime Dangerous Goods Code, and the International Civil Aviation Organization Technical Instructions for the Safe Transport of Dangerous Goods by Air 171 172 173 175 176 178
01/07/2013 Hazardous Materials: Transportation of Lithium Batteries 172 173 175
01/07/2013 Hazardous Materials: Harmonization with International Standards (RRR) 171 172 173 175 176 177 178
10/22/2012 Hazardous Materials: Incorporation of Certain Special Permits and Competent Authorities Into Regulations 107 172 173 175 178
10/05/2012 Hazardous Materials: Minor Editorial Corrections and Clarifications (RRR) 107 171 172 173 175 178 179
10/02/2012 Shippers-General Requirements for Shipments and Packagings 173
08/30/2012 Hazardous Materials: Revision to Fireworks Regulations (RRR) 107 172 173
08/15/2012 Hazardous Materials: Harmonization with International Standards (RRR) 171 172 173 175 176 178
08/13/2012 Pipeline Safety: Administrative Procedures; Updates and Technical Corrections 190 192 193 195 199
07/05/2012 Hazardous Materials; Reverse Logistics (RRR) 171 173 178
06/25/2012 Hazardous Materials: Incorporating Rail Special Permits Into the Hazardous Materials Regulations 171 172 173 174 179 180
05/30/2012 Hazardous Materials Regulations: Combustible Liquids 172 173 176
05/30/2012 Pipeline Safety: Pipeline Damage Prevention Programs 196 198
05/29/2012 Hazardous Materials; Miscellaneous Amendments Pertaining to DOT Specification Cylinders (RRR) 171 172 173 178 180
05/25/2012 Hazardous Materials: Harmonization With the United Nations Recommendations on the Transport of Dangerous Goods: Model Regulations, International Maritime Dangerous Goods Code, and the International Civil Aviation Organization Technical Instructions for the Safe Transport of Dangerous Goods by Air 171 172 173 175 176 178
05/24/2012 Hazardous Materials: Miscellaneous Petitions for Rulemaking (RRR) 171 172 173 174 175 176 178 180
04/26/2012 Hazardous Materials; Miscellaneous Amendments (RRR) 105 171 172 173 177 178 180
04/16/2012 Hazardous Materials; Packages Intended for Transport by Aircraft 173
04/11/2012 Hazardous Materials: Transportation of Lithium Batteries 172 173 175
04/02/2012 Pipeline Safety: Pipeline Damage Prevention Programs 196 198
03/26/2012 Hazardous Materials: Approval and Communication Requirements for the Safe Transportation of Air Bag Inflators, Air Bag Modules, and Seat-Belt Pretensioners 173
03/21/2012 Pipeline Safety: Implementation of the National Registry of Pipeline and Liquefied Natural Gas Operators 191 192 193 195
02/23/2012 Pipeline Safety: Post Accident Drug and Alcohol Testing 199
02/21/2012 Clarification on the Division 1.1 Fireworks Approvals Policy 173
02/03/2012 Pipeline Safety: Miscellaneous Changes to Pipeline Safety Regulations 191 192 195
02/03/2012 Pipeline Safety: Expanding the Use of Excess Flow Valves in Gas Distribution Systems to Applications Other Than Single-Family Residences 192
01/27/2012 Special Permit Marking Removal 179
01/05/2012 Clarification and Further Guidance on the Fireworks Approvals Policy 173
12/30/2011 Hazardous Materials: Harmonization With the United Nations Recommendations on the Transport of Dangerous Goods: Model Regulations, International Maritime Dangerous Goods Code, and the International Civil Aviation Organization Technical Instructions for the Safe Transport of Dangerous Goods by Air 172 173 175 176
12/28/2011 Hazardous Materials: Miscellaneous Amendments; Response to Appeals; Corrections 172 173
12/02/2011 Drivers of CMVs: Restricting the Use of Cellular Phones 177
11/29/2011 Pipeline Safety: Miscellaneous Changes to Pipeline Safety Regulations 191 192 195 198
11/25/2011 Pipeline Safety: Expanding the Use of Excess Flow Valves in Gas Distribution Systems to Applications Other Than Single-Family Residences 192
11/16/2011 Pipeline Safety: Safety of Gas Transmission Pipelines 192
09/13/2011 Hazardous Materials: Minor Editorial Corrections and Clarifications 105 106 107 130 171 172 173 174 176 177
08/25/2011 Pipeline Safety: Safety of Gas Transmission Pipelines 192
08/18/2011 Hazardous Materials: Incorporating Rail Special Permits Into the Hazardous Materials Regulations 171 172 173 174 179 180
08/12/2011 Hazardous Materials Regulations; Compatibility With the Regulations of the International Atomic Energy Agency 171 172 173 174 175 176 177 178
07/26/2011 Hazardous Materials Transportation: Revisions of Special Permits Procedures; Response to Appeals; Corrections 107
07/21/2011 Pipeline Safety: Applying Safety Regulations to All Rural Onshore Hazardous Liquid Low-Stress Lines, Correction 195
07/20/2011 Hazardous Materials; Miscellaneous Amendments 107 171 172 173 174 177 178 180
07/12/2011 Pipeline Safety; Enforcement Proceedings Involving an Informal Hearing 190
06/29/2011 Clarification of the Fireworks Approvals Policy 173
06/28/2011 Notification of Anticipated Delay in Administrative Appeal Decisions 105 107 109 171 172 173 174 175 176 178 180
06/27/2011 Hazardous Materials: Revision to the List of Hazardous Substances and Reportable Quantities 172
06/16/2011 Pipeline Safety: Control Room Management/Human Factors 192 195
06/07/2011 Hazardous Materials: Requirements for Storage of Explosives During Transportation 171 177


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