cac:StandardItemIdentification
Only one StandardItemIdentification can be used per line.
- Namespace
 cacurn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2- Child elements
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Card Name Description 1..1 cbc:ID Item standard identifier
Global Trade Item Number (GTIN) or other standardized identification.Example value:
12345678912340..1 cbc:ExtendedID Item standard extended identifier
with specific properties, e.g., Item 123 = Chair / Item 123 Ext 45 = brown chair.Example value:
22114455 - Rules
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Identifier/Error message Flag PEPPOL-T120-R003 
Each item in a Despatch Advice line SHALL be identifiable by either "item sellers identifier" or "item standard identifier"fatal PEPPOL-T120-B46101 
Element 'cbc:ID' MUST be provided.fatal PEPPOL-T120-B46102 
Document MUST NOT contain elements not part of the data model.fatal