Home
gpo.gov
govinfo.gov

e-CFR Navigation Aids

Browse

Simple Search

Advanced Search

 — Boolean

 — Proximity

 

Search History

Search Tips

Corrections

Latest Updates

User Info

FAQs

Agency List

Incorporation By Reference

eCFR logo

Related Resources

The Code of Federal Regulations (CFR) annual edition is the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government produced by the Office of the Federal Register (OFR) and the Government Publishing Office.

Download the Code of Federal Regulations in XML.

Download the Electronic Code of Federal Regulations in XML.

Monthly Title and Part user viewing data for the e-CFR is available for download in CSV format.

Parallel Table of Authorities and Rules for the Code of Federal Regulations and the United States Code
Text | PDF

Find, review, and submit comments on Federal rules that are open for comment and published in the Federal Register using Regulations.gov.

Purchase individual CFR titles from the U.S. Government Online Bookstore.

Find issues of the CFR (including issues prior to 1996) at a local Federal depository library.

[A2]

Electronic Code of Federal Regulations

We invite you to try out our new beta eCFR site at https://ecfr.federalregister.gov. We have made big changes to make the eCFR easier to use. Be sure to leave feedback using the Feedback button on the bottom right of each page!

e-CFR data is current as of January 21, 2021

Title 49 → Subtitle B → Chapter I → Subchapter C → Part 171

TITLE 49—Transportation

Subtitle B—OTHER REGULATIONS RELATING TO TRANSPORTATION

CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION

SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS

PART 171—GENERAL INFORMATION, REGULATIONS, AND DEFINITIONS

rule

Subpart A—APPLICABILITY, GENERAL REQUIREMENTS, AND NORTH AMERICAN SHIPMENTS

§171.1
Applicability of Hazardous Materials Regulations (HMR) to persons and functions.
§171.2
General requirements.
§171.3
Hazardous waste.
§171.4
Marine pollutants.
§171.6
Control numbers under the Paperwork Reduction Act.
§171.7
Reference material.
§171.8
Definitions and abbreviations.
§171.9
Rules of construction.
§171.10
Units of measure.
§171.11
[Reserved]
§171.12
North American Shipments.
§171.12a
[Reserved]
§171.14
[Reserved]
rule

Subpart B—INCIDENT REPORTING, NOTIFICATION, BOE APPROVALS AND AUTHORIZATION

§171.15
Immediate notice of certain hazardous materials incidents.
§171.16
Detailed hazardous materials incident reports.
§§171.17-171.18
[Reserved]
§171.19
Approvals or authorizations issued by the Bureau of Explosives.
§171.20
Submission of Examination Reports.
§171.21
Assistance in investigations and special studies.
rule

Subpart C—AUTHORIZATION AND REQUIREMENTS FOR THE USE OF INTERNATIONAL TRANSPORT STANDARDS AND REGULATIONS

§171.22
Authorization and conditions for the use of international standards and regulations.
§171.23
Requirements for specific materials and packagings transported under the ICAO Technical Instructions, IMDG Code, Transport Canada TDG Regulations, or the IAEA Regulations.
§171.24
Additional requirements for the use of the ICAO Technical Instructions.
§171.25
Additional requirements for the use of the IMDG Code.
§171.26
Additional requirements for the use of the IAEA Regulations.

Need assistance?