The identification of a contract.

Cardinality
1..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Document Reference
Example value
123Contractref
Business terms
BT-12
Rules
Identifier/Error message Flag
EHF-REMINDER-B01801
Document MUST NOT contain elements not part of the data model.
fatal