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Regulations Section Interpretation List

Below is a list of the sections that have interpretations available for the selected category. To view the interpretations for a given section, click on the subject link below. To return to the list of Parts, use the Parts link above. Finally, these interpretations are specific to the scenarios in which they are responding to and may not be applicable to different fact scenarios.

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Section Subject
172.101 Purpose and use of hazardous materials table
172.102 Special provisions
172.200 Applicability
172.201 Preparation and retention of shipping papers
172.202 Description of hazardous material on shipping papers
172.203 Additional description requirements
172.204 Shipper's certification
172.205 Hazardous waste manifest
172.300 Applicability
172.301 General marking requirements for non-bulk packagings
172.302 General marking requirements for bulk packagings.
172.303 Prohibited marking
172.304 Marking requirements
172.310 Class 7 (radioactive) materials
172.312 Liquid hazardous materials in non-bulk packagings
172.313 Poisonous hazardous materials
172.315 Limited quantities
172.316 Packagings containing materials classed as ORM-D
172.322 Marine pollutants
172.323 Infectious substances
172.324 Hazardous substances in non-bulk packagings
172.325 Elevated temperature materials
172.326 Portable tanks
172.327 Petroleum sour crude oil in bulk packaging
172.328 Cargo tanks
172.330 Tank cars and multi-unit tank car tanks
172.331 Bulk packagings other than portable tanks, cargo tanks, tank cars and multi-unit tank car tanks
172.332 Identification number markings
172.334 Identification numbers; prohibited display
172.336 Identification numbers; special provisions
172.338 Replacement of identification numbers
172.400 General labeling requirements
172.400a Exceptions from labeling
172.401 Prohibited labeling
172.402 Additional labeling requirements
172.403 Class 7 (radioactive) material
172.405 Authorized label modifications
172.406 Placement of labels
172.407 Label specifications
172.411 EXPLOSIVE 1.1, 1.2, 1.3, 1.4, 1.5 and 1.6 labels, and EXPLOSIVE Subsidiary label
172.415 NON-FLAMMABLE GAS label
172.417 FLAMMABLE GAS label
172.419 FLAMMABLE LIQUID label
172.423 DANGEROUS WHEN WET label
172.427 ORGANIC PEROXIDE label
172.429 POISON INHALATION HAZARD label
172.432 INFECTIOUS SUBSTANCE label
172.442 CORROSIVE label
172.446 CLASS 9 label
172.447 LITHIUM BATTERY label


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