REGULATIONS
Rulings
AD/CVD
Notices
HTSUS
U.S. Code
Regs
More
Ports
About
Updates
Apps
Larger font
Smaller font
SEARCH
Sort by Rank
Titles Ascending
Titles Descending
10 per page
25 Result/page
50 Result/page
Regulations last checked for updates: May 14, 2025
Title 49 - Transportation last revised: Mar 20, 2025
All Titles
Title 49
Chapter I
Part 173
Subpart A - Subpart A—General
§ 173.1 - Purpose and scope.
§ 173.2 - Hazardous material classes and index to hazard class definitions.
§ 173.2a - Classification of a material having more than one hazard.
§ 173.3 - Packaging and exceptions.
§ 173.4 - Small quantities for highway and rail.
§ 173.4a - Excepted quantities.
§ 173.4b - De minimis exceptions.
§ 173.5 - Agricultural operations.
§ 173.5a - Oilfield service vehicles, mechanical displacement meter provers, and roadway striping vehicles exceptions.
§ 173.5b - Portable and mobile refrigeration systems.
§ 173.6 - Materials of trade exceptions.
§ 173.7 - Government operations and materials.
§ 173.8 - Exceptions for non-specification packagings used in intrastate transportation.
§ 173.9 - Transport vehicles or freight containers containing lading which has been fumigated.
§ 173.10 -
§ 173.11 - Exceptions for shipment of light bulbs containing hazardous materials.
§ 173.12 - Exceptions for shipment of waste materials.
§ 173.13 - Exceptions for Class 3, Divisions 4.1, 4.2, 4.3, 5.1, 6.1, and Classes 8 and 9 materials.
§ 173.14 - Hazardous materials in equipment in use or intended for use during transport.
authority:
49 U.S.C. 5101-5128
,
44701
;
49 CFR 1.81
, 1.96 and 1.97
.list_box li,p,.cm-search-info,.cm-search-detail,.abt span,.expand-collapse_top
Get the CustomsMobile app!