Billing Exception or Anomaly in Customer Management System

a) What is a billing exception?
Billing exceptions are any abnormal situations for a supply detected during the billing process. These abnormal situations may cause improper billing of the supply or no billing at all. Thus, it becomes necessary to analyze and solve these inconsistencies before billing (with actual reading data or estimates) is performed.

b) What is the consequence of the abnormal situation?
Abnormal situations may cause improper billing of a supply.

c) What does the billing team do with the exception?
They have to analyze and solve the exceptions before billing it once and for all.
N.B: It more important to have quality resolution of exception, rather than the number of exceptions solved in a day.