Reason Code 4999: 4999: Domestic Chargeback Dispute (Europe)

Used when a cardholder claims a particular transaction charged as a sale should have been a credit.

The merchant processing a credit card transaction to give a refund runs it as a regular charge instead of crediting the customer’s account.

• Immediately reverse erroneous or duplicate transactions or issue credits to cancel it.
• Double-check calculations and transactions before finalizing them.
• Train the staff on how to handle credit, debits, and reversal.