Use an account approved by the admin.
Your account becomes active after admin approval. You will see the Portfolio and your own RU's projects only. The admin sets your role: Viewer (view only), Editor (fill worksheets of your RU), RU Admin (upload & edit your RU's data) or Kantor Pusat Admin (all RU).
No users yet. Enter the server import key to create the admin account; other users then sign up and you approve them.