Identifies the specification of content and rules that apply to the transaction. Identifying the customization/implementation guide/contextualization of the syntax message and its extension that applies to the credit note transaction, enables the receiver to apply the correct validation to the received document as well as to route the document to an appropriate service for processing.

Cardinality
1..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Example value
urn:www.cenbii.eu:transaction:biitrns014:ver2.0:extended:urn:www.peppol.eu:bis:peppol5a:ver2.0:extended:urn:www.difi.no:ehf:faktura:ver2.0
Rules
Identifier/Error message Flag
BII2-T14-R001
A credit note MUST have a customization identifier
fatal