2. Processing: For applicable tickets as defined above, if refund or change is processed on/before November 21, 2016, the tickets are allowed to be refunded within their validity exempt from refund fee (including tickets whose fare rules indicate non-refundable), or are allowed to be changed exempt from change fee for one time (including tickets whose fare rules indicate non-changeable; fare differences caused by seasonality or booking class, etc. are not exempted).