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Objects are described with element type cac:ItemType which allows the required, explicit specification to convert the package unit into another unit.
Rule: Other units according to TRADE/CEFACT/2001/
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20
A use of units other than those mentioned above from the TRADE/CEFACT/2001/20 list does not contradict the Veloconnect specification . A Veloconnect-compliant server is allowed to respond to a message with an error message if the client uses a unit other than one of those explicitly listed above. A Veloconnect-compliant client must process such a unit if it is delivered by the server. For this, the client can either consider this unit as not comparable to any other unit, or let the user specify a conversion into a known unit.
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