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C01

ACH Return Code C01: Incorrect Bank Account Number

Incorrect Bank Account Number

ACH Return Code C01 indicates: Incorrect Bank Account Number.

What is C01?

This return code is used when incorrect bank account number. Understanding this code helps businesses handle ACH payment returns effectively.

How to resolve C01

  1. . **Review the transaction details** - Check all submitted information
  2. . **Contact the customer** - Verify their banking information
  3. . **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

How to resolve this return code

Follow these steps to address and prevent this ACH return.

1

Review the return code.

Identify the specific reason for the return and understand what information needs to be corrected.

2

Contact the customer.

Reach out to verify or update their banking information, especially for insufficient funds or invalid account issues.

3

Retry or adjust the payment.

Once corrected, resubmit the transaction or choose an alternative payment method.

Send ACH payments with confidence

Slash provides real-time account validation, intelligent retry logic, and comprehensive analytics to help you minimize ACH returns and optimize your payment operations.

Explore Other ACH
Return Codes

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