Reason Code 12.5: Incorrect Amount

The cardholder claims that:

• The transaction amount billed is incorrect.
• A transposition or addition mistake was made during calculations.
• The merchant changed the transaction amount after processing without authorization from the cardholder.

The merchant made an error when entering the numbers.

• Double-check your calculations and the final amounts before completing the transaction.
• Refrain from changing transaction amounts without cardholder consent.
• Recommend the use of reading chips and swipe cards for all transactions.
• Train your sales team on the proper methods for processing transactions.