The unit of measure that applies to the shipment quantity.

Usage
Mandatory
Data type
Code
Example value
CTN
Code lists
Recommendation 20, including Recommendation 21 codes - prefixed with X (UN/ECE)
Rules
Identifier/Error message Flag
EHF-T16-B11002
Value MUST be part of code list 'Recommendation 20, including Recommendation 21 codes - prefixed with X (UN/ECE)'.
fatal