Why is it important that the hazard class and identification number on the shipping papers match exactly what is on the package markings and placards?

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1. Mismatched information could confuse responders about what material is actually present
2. It is a formality with no real safety consequence
3. Shipping papers and package markings are never expected to match exactly in every situation
4. This matching requirement applies only to international shipments

Correct!

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