One IAM 8.0.1 Password Reset Portal : How to restrict display of accounts to a specific target system.

We have integrated Password Reset portal with IAM Web Portal. Everything works fine, except in the 'Manage My Password' page we want to restrict the user to see accounts belongs to a perticular target System (like SAP or AD). Out of the box, it shows all the identities and related accounted from different target systems. Our objective is to implement this solution for a perticular target system.