Each line in an invoice must contain an identifier that is unique within the document to make it possible to reference the line. For example, from other documents like credit notes and in disputes.
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2| Identifier/Error message | Flag |
|---|---|
| BII2-T10-R017 Each invoice line MUST have an invoice line identifier |
fatal |