For the Mar’15 PM invoice I'm just remind to pay within this month. For the penalty invoice there are reference to Utilities invoice and CAM Fee which I'm ensure that you made payment after overdue.
The due date of CAM Fee is 20/01/15 I'm remind you by notice email but you made payment on 11/02/15 and include the outstanding utilities invoice since Nov’14 –Dec’14 as well.
If you have any question please let me know.