P08 – Duplicate Charge

By September 27, 2019American Express, Reason Code

Chargeback Reason Code

P08

Why did I get a chargeback with American Express reason code P08?

A single transaction was submitted more than once.

What do I need to fight a chargeback with American Express reason code P08?

Your chargeback response must include at least one of the following items:

  • If multiple transactions were needed, provide documentation that shows each purchase was valid.
  • If you have already processed a refund for the transaction in question, provide documentation that proves you have credited the cardholder’s account.

How can I avoid a chargeback with American Express reason code P08 in the future?

  • If you notice a duplicate transaction, issue a credit as soon as possible.
  • Double check all transaction receipts before they are deposited.
  • Only send batches one time.
  • If the customer wants to change to a different form of payment after initially offering the payment card, be sure to void the charge.

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