Attention Treasury Solutions Clients
Business Online Banking ACH files must be received by Thursday, February 14 in order to settle before the upcoming federal holiday (Washington’s Birthday). ACH files received on Friday, February 15 will not settle until Tuesday, February 19.
At First Interstate Bank, protecting your financial information is our top priority. To this end, we have a firewall between the Internet and our client information preventing unauthorized access as well as only communicating through web browsers that support Secure Socket Layer (SSL) 3.0 or higher. As a final security measure, we encrypt all data communication using state of the art encryption technology and Message Authentication Code (MAC). If you believe there has been an unauthorized removal of funds from your accounts related to a breach of First Interstate Bank's security measures, you may dispute the transaction and be considered for a reimbursement.
Use this online form to submit an ATM, or a Debit Card dispute. For wire disputes use the Wire Transfer Dispute Form. A First Interstate Bank dispute consultant will be in contact with you within 5 to 10 business days. If you already have an existing ATM or Debit Card dispute open, simply contact your local First Interstate Bank branch for information.
If you have questions or prefer not to complete this form online, please contact your local First Interstate Bank branch.
If you have more than one disputed transaction, please use a new form for additional transactions.