[aligned-ibrp-001-ng]-Specification identifier (ibt-024) MUST start with the value 'urn:peppol:pint:selfbilling-1@ng-1'.
aligned-ibrp-001-ng/ubl:Invoice | /cn:CreditNotestarts-with(normalize-space(cbc:CustomizationID/text()), 'urn:peppol:pint:selfbilling-1@ng-1')