Reason Code P08: Duplicate Charge

The cardholder claims they received a voided transaction or credit receipt that wasn’t processed.

• The merchant tried sending multiple batches at the same time. 
• The same transaction has multiple receipts. 
• The transaction is in duplicates in the merchant’s system. 
• The transaction was processed but the cardholder still paid for the same merchandise through other methods.

• Always review the transaction before making a deposit.
• Only submit a single batch at a time. 
• Void and credit any duplicate transaction. 
• Train your staff on how to handle credits.