(a) Except as otherwise provided in paragraphs (b), (c), (d) and (e) of this section, each package containing a Class 1 material must be marked with the EX-number for each substance, article or device contained therein.
CFR 49-172.320-2013 history
2013CFR 49-172.320-2013 Transportation. Part172:Hazardous materials table, special provisions, hazardous materials communications, emergency response information, training requirements, and security plans. Section172.320:Explosive hazardous materials.