Identifies the specification of content and rules that apply to the transaction.

Cardinality
1..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Example value
urn:www.cenbii.eu:transaction:biitrns076:ver2.0:extended:urn:www.peppol.eu:bis:peppol28a:ver1.0:extended:urn:www.difi.no:ehf:ordrebekreftelse:ver1.0
Rules
Identifier/Error message Flag
BII2-T76-R001
A order response MUST have a customization identifier
fatal