IATA Outer Packaging Codes

Each type of UN approved outer or single packaging is designated by a two- or three- character code. The code expresses the following information:

• A number that indicates the kind of packaging (such as a drum, box, bag)
• A capital letter following the number to indicate the type of material used for the packaging (such as wood, steel, plastic)
• If applicable, a number indicating the packaging category in which the packaging belongs

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