Definition: What this service dispute means is that a card holder is alleging that the amount of a particular card transaction has been altered without obtaining consent or direction from the card holder.

Explanation: Amount was altered.

How to prevent this Chargeback: In order to prevent this type of chargeback from occurring, the best thing that you can do is to attempt settling the dispute with the card holder by providing documentation that proves either that the amount of the transaction was never altered, or that the card holder knew about the authorization prior to signing the sales receipt. If you cannot resolve the situation with the card holder, he or she will likely escalate it to a request for a chargeback.

How to resolve this Chargeback: In order to resolve this type of chargeback, you must be able to provide a written statement of rebuttal along with supportive documentation which proves that the card member knew about the change in the transaction amount prior to authorization, or you must be able to refund the changed amount back to the card holder to rectify the error.

Tips: Make sure that all customers have a copy of your policies and procedures or know where to get them. If there is a reason for the change in the amount of the transaction, informing the card holder is typically enough to resolve the situation.

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