Identifies the existing, already received catalogue that this message should be acted upon, so that no discrepancies occur between the suppliers and customers information.

Cardinality
1..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Document reference
Example value
Cat-01
Business terms
tir19-019
Rules
Identifier/Error message Flag
EHF-T19-B01501
Document MUST NOT contain elements not part of the data model.
fatal