PROBILLING
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Probilling is the application solution of invoice collection and approval from customers by providing services, resource uses and etc.

Functions of PROBILLING are as following:

•  The subscriber relationship subsystem (registration and updating data on consumer characteristics taken from the readings of electricity meters, billing and collection);

•  Measurement device subsystem (recording and updating technical data of measuring devices, monitoring them through technological stages, regular readings, replacements, calibrations and check-outs, along with history of measuring devices);

•  Tariff system (recording and updating calculation elements and tariff rates);

•  The billing and collection subsystem. It is divided into following subsystems:
- Household calculation and payment
- Calculation of other consumer categories (billing and account balance of these consumer categories are part of the application Financial accounting).