Delegate Manager cannot be changed. However, it can be deleted and a new. Please follow below steps below to do this:
Log in to ePortal as admin.
Click Settings, E-leave Settings, Delegate Manager.
Click View Delegation.
If you don't want the Delegation Manager arrangement, you may click Delete.
To create, insert the Original Manager, then insert the Alternative Manager.
For the select period: click No and click Submit.