Reason Code 4834 - POI Error - Transaction Amount Differs

Chargeback Reason Codes / Mastercard / 4834 - POI Error - Transaction Amount Differs


Why did I receive this chargeback?

The cardholder claims the transaction amount is incorrect.

Time Limit

How long can the issuer wait to file a chargeback?

The maximum amount of time that can pass between the transaction processing date and the chargeback processing date is 90 calendar days.


What compelling evidence is needed to respond?

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

  • Explanation and documentation to refute the cardholder’s claim
  • Proof that the chargeback is invalid because it doesn’t adhere to Mastercard requirements
  • Proof you have already refunded the transaction and credited the cardholder’s account


How can I avoid this chargeback in the future?

  • 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 fallback options in emergency situations.

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