This code is used when a cardholder claims that a credit or refund they were expecting from a merchant was not processed to their account. This situation can arise if a merchant agrees to issue a refund for returned merchandise or a canceled service but fails to process the credit, or if there's a delay in the credit appearing on the cardholder's statement.
To address a chargeback under reason code 8002:
To minimize the risk of chargebacks under reason code 8002: