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If the customer agrees to use one of the previously saved cards to pay, then he is prompted to enter only the code CVC2 during the payment.
If the customer
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has more than one saved card, then all of them will be displayed on the payment page so that the customer can select the one he needs to make a payment. 
If the customer selects the "Delete card", the data on the current map will be deleted immediately. To remove the other card's information, you must first select an action "Another card" then select card for deletion and then delete the current card.
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