An identifier for this goods item. Refering to the Despatch Line

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
udt:IdentifierType
Example value
10
Rules
Identifier/Error message Flag
PEPPOL-T120-R020
Each Goods Item ID should have a corresponding Despatch Advice Line ID
fatal