Discover Chargeback Reason Codes

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AA Cardholder Does Not Recognize

AP Canceled Recurring Transaction

UA01 Fraud: Card Present Transaction

UA02 Fraud: Card Not Present Transaction

UA05 Fraud: Chip Card Counterfeit Transaction

UA06 Fraud: Chip and PIN Transaction

AT Authorization Noncompliance

IN Invalid Card Number

LP Late Presentation

05 Good Faith Investigation Chargeback

DP Duplicate Processing

AW Altered Amount

CD Credit/Debit Posted Incorrectly

PM Paid by Other Means

NF Non-Receipt of Cash from an ATM

RG Non-Receipt of Goods, Services, or Cash

RM Cardholder Disputes the Quality of Goods or Services

RN2 Credit Not Processed