Table of Contents
What Does Mastercard Chargeback Reason Code 4812 Mean? Mastercard chargeback reason code 4812, "Account Number Not On File," comes up when a transaction is made using an account number that the cardholder's bank doesn't recognize. Essentially, the bank has no record of the account number used in the transaction. This can happen if the wrong account number was entered, the account was closed, or the cardholder's account info changed and wasn't updated. Good ways to prevent this are to always double-check account numbers before processing transactions and keep your customer database up to date. If you get a chargeback for this, gather all transaction details and communicate with the cardholder and bank to sort things out.
Key Details of Chargeback Reason Code 4812 Account Number Not On File
- Definition: The transaction used an account number that the cardholder’s bank doesn’t recognize.
- Common Situations: This can occur due to typos, processing errors, or fraud.
Common Causes of 4812 Account Number Not On File
- Data Entry Errors: The card number was typed incorrectly.
- Processing Mistakes: Technical glitches caused the wrong card number to be used.
- Fraud: Someone tried to use a fake or non-existent card number.
Resolution Time Frame for Mastercard Reason Code 4812 Account Number Not On File
- For Cardholders: They have up to 120 days from the transaction date to dispute the charge.
- For Merchants: Merchants typically have up to 45 days to respond with evidence.
Preventing or Mitigating Chargeback Reason Code 4812 Account Number Not On File
- Double-Check Card Info: Make sure the card number is entered correctly. Use tools to verify card details.
- Use Reliable Payment Systems: Choose secure payment processing systems that validate card numbers in real-time.
- Monitor Transactions: Keep an eye on transactions to catch and flag any suspicious activity involving card numbers.
- Train Your Staff: Teach your team to accurately enter and verify card information during transactions.
- Talk to Banks: Stay in touch with cardholder banks to quickly sort out any account number issues.
- Use Fraud Prevention Tools: Implement advanced fraud detection tools to spot and stop fraudulent transactions with invalid card numbers.
