If ItemClassification is provided from Danish suppliers, UNSPSC version 19.05.01 or 26.08.01 should be used.
ubl-creditnote:CreditNote[$DKSupplierCountry = 'DK' and $DKCustomerCountry = 'DK']/cac:CreditNoteLine | ubl-invoice:Invoice[$DKSupplierCountry = 'DK' and $DKCustomerCountry = 'DK']/cac:InvoiceLinenot((cac:Item/cac:CommodityClassification/cbc:ItemClassificationCode/@listID = 'TST') and not((cac:Item/cac:CommodityClassification/cbc:ItemClassificationCode/@listVersionID = '19.05.01') or (cac:Item/cac:CommodityClassification/cbc:ItemClassificationCode/@listVersionID = '19.0501') or (cac:Item/cac:CommodityClassification/cbc:ItemClassificationCode/@listVersionID = '26.08.01') or (cac:Item/cac:CommodityClassification/cbc:ItemClassificationCode/@listVersionID = '26.0801') ) )