Reason Code 12.6.1: Duplicate Processing

The cardholder claims that the same transaction was processed multiple times.

The merchant:

• Entered the same transaction multiple times into the terminal.
• Electronically sent the transaction capture batch to the card processor multiple times.
• Deposited the acquirer and merchant copy of the transaction receipt.
• Created two or more transaction receipts for one purchase.

• Avoid keying in the transaction twice. If you make this mistake, credit the other transaction entries except the original.
• Review your transactions receipts before depositing them.
• Train your sales team on the correct procedure for processing a transaction. Include training on crediting duplicate transactions.