Each line must have an identifier that is unique within the document to make it possible to positively reference the line. For example, from other documents.
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2ND-19245| Identifier/Error message | Flag |
|---|---|
| BII2-T19-R024 A catalogue line MUST contain a unique line identifier |
fatal |