Multiple primary containers can be placed in the same package and must be individually wrapped or separated to prevent contact
Dry ice shall be placed outside the secondary receptacle and must not be placed inside the primary or secondary receptacle because of the risk of explosions.
A specially designed insulated packaging may be used to contain dry ice. The packaging must permit the release of carbon dioxide gas if dry ice is used.
Packing instruction P003 (ICAO/IATA PI954) shall be observed.
The secondary receptacle shall be secured within the outer package to maintain the original orientation of the inner packages after the refrigerant has dissipated.
If dry ice is used to ship infectious substances in Category A, the details shall appear on the shipper's Declaration for Dangerous Goods.
In addition, the outermost packaging shall carry the hazard label for dry ice and the appropriate marking.
If dry ice is used to ship Category B Infectious Substances or Exempt Specimens, the package shall be marked "Carbon dioxide, solid" or "Dry ice".
The airway bill must indicate the proper name (Dry Ice), class (Class 9), UN number (UN 1845) and weight (in kg).
Dry Ice label and marking to be placed on the outer packaging