● 1. Items forbidden to be circulated or shipped according to the national law.
● 2. Explosive, flammable, erosive, radioactive or toxic hazardous items.
● 3. Publications, books, sources or items containing reactionary content or obscenity.
● 4. Currencies of all kinds.
● 5. Items that violate public health.
● 6. Items that rot easily.
● 7. Live animals (not counting bees, silkworms and leeches, as long as the packaging ensures the safety of the workers).
● 8. Items that are not adequately packaged and may cause hazards to the workers, or contaminate or damage other packages.
● 9. Other items unsuitable for shipment though mail.