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credit card mocks 03 19

American Express Reason Code P01 Unassigned Card Number

Disputeโ€‹

American Express

Card Issuer Name

P01

Reason Code

Processing Error

Category

Claim

The merchant processed a transaction with an incorrect or invalid card number.

Cause

  • The merchant made an error when calculating or entering transaction data.
  • The cardholder gave an invalid or incorrect card number.

Response

Cardholders and issuers have no limit to the number of days they have to to file a dispute related to the claim against the merchant.
Merchants have 20 days to respond to the claim in dispute.

Steps to Prevention

  • Always double-check the numbers.ย ย 
  • Get secondary validation, including PIN.
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