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

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Identifier
Fixed value
urn:fdc:peppol.eu:prac:trns:t021:1.2
Business terms
tir106-007
Rules
Identifier/Error message Flag
PEPPOL-T021-R001
[PEPPOL-T021-R001] An Unsubscribe from Procedure MUST have a customization identifier
fatal
PEPPOL-T021-R002
[PEPPOL-T021-R002] CustomizationID value MUST be 'urn:fdc:peppol.eu:prac:trns:t021:1.2'
fatal