An credit note instance must contain an identifier. An credit note identifier enables positive referencing the document instance for various purposes including referencing between documents that are part of the same process.

Cardinality
1..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Example value
654321
Rules
Identifier/Error message Flag
BII2-T14-R003
A credit note MUST have a credit note identifier
fatal