[IBR-056-OM] - The scheme identifier (ibt-158-1) MUST be 'HS' when Item classification identifier (ibt-158) is provided
IBR-056-OMcac:InvoiceLine | cac:CreditNoteLinenot(cac:Item/cac:CommodityClassification/cbc:ItemClassificationCode) or cac:Item/cac:CommodityClassification/cbc:ItemClassificationCode/@listID='HS'