Discover Card - Code UA23
Definition: What this fraud dispute means is that in the process of a keyed in card transaction, the merchant made an imprint of the card that was invalid or otherwise illegible. Imprints of credit cards are necessary for validating keyed in cards during card sales.
Explanation: Invalid or illegible imprint
How to prevent this Chargeback: In order to prevent a fraud dispute like this from occurring, it is necessary for you to make a valid and legible imprint of every card that is keyed in rather than swiped during a transaction. If you have a valid card imprint for the card in question, presenting it may be able to settle the fraud dispute for the transaction in question.
How to resolve this Chargeback: In order to resolve this type of chargeback, you must be able to provide supportive documents which prove that a legible and valid card imprint was obtained at the time of the transaction. Providing a copy of the imprint is the best way to resolve this type of charge back, otherwise you may have to credit the card holder's account for the full amount of the transaction.
Tips: If you cannot swipe a certain credit card during a face to face credit card transaction, obtain a valid imprint instead. This way, if the validity of the transaction is disputed, you still have proof that the transaction was properly authorized even if you could not obtain a proper swipe. Make sure that all imprints are legible and valid before you authorize the transaction.
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