cbc:CustomizationID
An identification of the specification containing the total set of rules regarding semantic content, cardinalities and business rules to which the data contained in the instance document conforms. The identification may include the version of the specification as well as any customizations applied.
- Namespace
 cbcurn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2- Data type
 - Identifier
 - Fixed value
 urn:fdc:peppol.eu:prac:trns:t009:1.1- Rules
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Identifier/Error message Flag PEPPOL-T009-R012 
CustomizationID value MUST be 'urn:fdc:peppol.eu:prac:trns:t009:1.1'fatal PEPPOL-T009-S009 
CustomizationID SHOULD NOT have any attributes.warning