[IBR-014-OM] - Deliver to country code (ibt-080) must be provided if invoice transaction type (BTOM-001) is export invoice (XXXXXX1XXXXXXXXXXXXX).
IBR-014-OMubl:Invoice | cn:CreditNotenot($isExport) or cac:Delivery/cac:DeliveryLocation/cac:Address/cac:Country/cbc:IdentificationCode