Risk control dept or RC - for fraudulent activities
EDT - Exceed the Delivery Date
*within 7 days - cannot be refunded, but if cx insisted, it can be refunded but ERB will be use
*within 7 days - Principle of Premium compensation
*over 7 days - can be refunded without using ERB
*over 7 days - Principle of fairness
Delivery failure -> Principle of fairness
DBNR - Delivered but not received
*within 30 days, we can create Information ticket
ERB - Exceptional Refund Balance
RTS - Return To Sender
Package lost -> Principle of fairness