I'm trying to replace the bank account info for my App Store Connect. However when I go to the Agreements, Tax and Banking section, I can only view and do some minor changes to my existing bank account info but there's no way to add a new bank account. I can confirm my Apple ID is an agent with Admin and Legal roles.
May I know where do I actually add a new bank account?
In App Store Connect, try Agreements -> Paid Applications -> Bank Accounts -> Edit. I see some options there, including "Replace with New Account".