ACH Return Code C03 indicates: Incorrect Routing Number and Bank Account Number.
What is C03?
This return code is used when incorrect routing number and bank account number. Understanding this code helps businesses handle ACH payment returns effectively.
How to resolve C03
- . **Review the transaction details** - Check all submitted information
- . **Contact the customer** - Verify their banking information
- . **Consult with your bank** - Get guidance on next steps
Prevention tips
- Validate account information before submitting transactions
- Maintain accurate customer records
- Implement proper verification procedures







