The Zepto page shown on the menu option Admin, Bank Accounts will only show once this has been enabled on the Cost Centres, Options tab.
The dropdown list will show the Bank Accounts that are available to use; choose the correct one according to the 'Bank Account' e.g., B that you are currently adding the settings for.
More information about setting up Bank Accounts for Zepto can be found here.
If a mismatch is detected the Bank Transaction will not be sent to Zepto.
Use these options to create an Account log when a Bank Transaction fails.
These logs can be found by going to the Task Manager, Tasks Folder, of a User that is in the Role that was selected as the Delegated Role, and will also show on the 'Logs page' of the Account.
For more information about Log Severities click here.