The calendar is able to show advance warnings for any type of calendar event.
      Adding an advance notification:

  1. Click on the link showing your Logo/name 
  2. Select My account in the drop down menu
  3. On the right of your user menu is a section title  Advance notification of calendar events"
  4. Use the drop-downs to select a value that will show a notification on the calendar of an upcoming event of that type.

To add a notification that a type of Calendar event is upcoming, for your own user account:

For example, the user below has asked for a 2 week notification for each of the Final Rent Due, Term End, Term Renewal and Rent Review events.

Calendar view

The calendar will now show an advance warning for upcoming items with a dashed border and white background