MasterCard Chargeback Reason Code 4837
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.
Transaction Modifiers applicable to Reason Code 4837
Additional Information About Reason Code 4837
Reason code is categorized: Fraud, MasterCard
Use the Chargeback App to respond to MasterCard Chargeback Reason Code 4837.

The Chargeback App determines acceptable evidence based on network rules and can automatically gather the evidence needed to win by integrating to your payment services and sales platform.