Definition: What this error dispute means is that an issuer or a card holder is disputing a particular card transaction because the card number that was provided by the merchant for that card transaction is not valid. The issuer is in charge of providing proof which is valid and legible and shows that the card number is valid and has never been assigned.

Explanation: Card Number is Invalid

How to prevent this Chargeback: In order to prevent this type of chargeback from occurring, the best thing that you can do is simply to streamline the process that you use for keeping track of documentation so that if an error occurs, you will be able to provide documentation in order to solve the problem.

How to resolve this Chargeback: In order to resolve this type of chargeback, the media that you need to provide to support your side of the issue includes the date and time of the transaction and proof that the authorization was completed using the account number in question.

Tips: This chargeback is most common in ecommerce transactions where you never actually see the credit card that you process. What this means is that it is necessary for you to exercise more caution when seeking authorization because there is always a potential for fraud.

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