Final answer:
The exception to the rule that the shipper must certify packaging according to regulations is when shipping hazardous waste. Large container ships are integral in cargo transportation and must adhere to strict regulations for safety and compliance.
Step-by-step explanation:
The only exception to the rule that the shipper certifies that he has packaged the material according to the regulations is when the shipment is hazardous waste. In the context of the United States Department of Transportation hazardous materials regulations and the EPA's hazardous waste regulations, while transporters are typically responsible for moving regulated wastes, there is an implied responsibility on the generator to ensure the waste meets certain criteria before transport. The chemical in the waste must be unused and in the form of a commercial chemical product. Understanding the significance of this rule in the transportation industry is vital, particularly in modern cargo transportation where ships, trains, and other carriers can inadvertently carry hazardous substances. Large container ships are a major part of this network, transporting vast amounts of cargo across oceans, and they need to follow strict regulations to ensure safety and compliance while carrying hazardous materials.