Description of Reason Code 4855
Insights from Rules and Regulations
The cardholder claims they have paid for an item that was to be delivered, but has not yet been received.
How to Win Reason Code 4855
If you have already issued a credit to the cardholder’s MasterCard account, you don't need to submit a response to this chargeback. If you processed the credit by other means, provide compelling evidence displaying the credit occurred.