The identification of a case/affair in the internal system of the paying party.

Cardinality
1..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Document Reference
Example value
123Contractref
Rules
Identifier/Error message Flag
EHF-PR-B01801
Document MUST NOT contain elements not part of the data model.
fatal