American Express Chargeback Reason Code
American Express Reason Code P23: Currency Discrepancy
Category Processing ErrorsBy Payment Defender Editorial TeamUpdated July 17, 2026Last reviewed July 17, 2026
What American Express Reason Code P23 Means
American Express reason code P23 applies when there is a discrepancy in the currency of the transaction, such as a charge submitted in a different currency than agreed or an incorrect currency conversion.
Why This Chargeback Happens
This dispute commonly occurs when a transaction is submitted in the wrong currency, when currency conversion is applied incorrectly, or when the displayed and settled currencies do not match.
What the Cardholder or Issuer Is Claiming
The Cardmember or American Express is asserting that the transaction currency was incorrect or inconsistent with what was agreed.
What Merchants Should Review
Review the agreed currency, the submitted currency, and any conversion applied. Confirm whether the currency matched the Cardmember's agreement and whether a correction is needed.
Recommended Chargeback Evidence
- Order records showing the agreed transaction currency
- Settlement records reflecting the submitted currency
- Documentation of any currency conversion applied
- Proof of any credit issued for a currency error
How to Prevent Similar Disputes
Merchants may reduce these disputes by displaying and charging in the correct currency, disclosing conversion clearly, and verifying currency settings before submission. Accurate currency handling helps prevent these disputes.
Important Limitations
This page is educational and reflects common industry usage. American Express dispute rules, timelines, and evidence requirements change over time and vary by market and program. Merchants should confirm current requirements with American Express or their processor before responding to any dispute.
Related Reason Codes
Sources and Review Information
- American Express: American Express Merchant Regulations – U.S.
Last reviewed July 17, 2026
Chargeback rules, evidence requirements, and response options may vary by card network, region, processor, and dispute circumstances.