Visa Chargeback Reason Code 77, known as “Non-Matching Account Number,” is used when the account number (credit or debit card number) provided by the merchant does not match any account number on record with the card issuer. This discrepancy suggests that the transaction might be fraudulent or incorrectly processed.
Key Details of Chargeback Reason Code 77: Non-Matching Account Number
- Definition: The account number used in the transaction does not match any account number on file with the card issuer.
- Indication: This reason code often indicates potential fraud or data entry errors.
Common Causes of Code 77: Non-Matching Account Number
- Data Entry Errors: Incorrectly entering the card number during the transaction.
- Fraudulent Transactions: Use of a counterfeit or stolen card number.
- System Errors: Issues within the payment processing system that lead to incorrect card numbers being transmitted.
Resolution Time Frame for Code 77: Non-Matching Account Number
- For Cardholders: Cardholders generally have 120 days from the transaction processing date to file a dispute.
- For Merchants: Merchants typically have 30 days from the date they receive the chargeback to respond with evidence to dispute the claim.
Preventing or Mitigating Chargeback Reason Code 77
To prevent or mitigate the risk of chargebacks due to non-matching account numbers, merchants can take the following actions:
- Verify Card Information: Ensure that all card information, especially the account number, is accurately entered and verified at the point of sale.
- Use EMV Technology: Implement EMV (chip) technology, which reduces the risk of card number entry errors and fraud.
- Fraud Detection Tools: Utilize fraud detection and prevention tools to identify and block potentially fraudulent transactions.
- Regular Training: Provide regular training for employees on proper card acceptance procedures and data entry practices.
- Reconciliation Processes: Implement robust reconciliation processes to catch and correct any discrepancies before transactions are submitted.
- Secure Payment Systems: Ensure payment systems are secure and up-to-date to prevent system errors that might lead to incorrect card number transmission.
