The Iowa Judicial Branch does not store credit card information. The information is stored with US Bank.
Registered users may store or change their credit card information in the US Bank system. To change your credit card information on your eFiling account, please contact:
US Bank Customer Service
866-853-2446 9 AM - 6 PM CT
800-765-9549 (option 2) After hours
Note: You will need to mention that you are calling about their ePayment Service.