Description of Reason Code 4837
No Cardholder Authorization
Insights from Rules and Regulations
The cardholder states that neither he, she, nor anyone authorized by him or her engaged in the transaction.
How to Win Reason Code 4837
Provide an explanation and copies of written correspondence exchanged between you and the cardholder (such as a letter, email, or fax) showing that the cardholder, or an authorized user, participated in the transaction.