[IBR-080-OM] - The minimum number of digits to be provided should be '12' in Item classification identifier (ibt-158)
IBR-080-OMcac:InvoiceLine | cac:CreditNoteLinenot(cac:Item/cac:CommodityClassification/cbc:ItemClassificationCode) or string-length(cac:Item/cac:CommodityClassification/cbc:ItemClassificationCode) >= 12