P05 – Incorrect Charge Amount

By September 27, 2019American Express, Reason Code

Chargeback Reason Code

P05

Why did I get a chargeback with American Express reason code P05?

The transaction amount you processed differs from the amount the cardholder agreed to pay.

What do I need to fight a chargeback with American Express reason code P05?

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

  • If the transaction amount was correct, provide documentation that proves the cardholder agreed to the amount, including any additional or delayed charges.
  • 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 P05 in the future?

  • Unless authorized, never change the amount of a completed transaction without the cardholder’s consent.
  • Use caution when entering handwritten transaction information.
  • Always swipe or dip a card—only use fall-back options in emergency situations.

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