The present document studies the charging aspects of network slicing based on TS 23.501, TS 23.502, TS 28.541, TS 28.530 and TS 28.531 Release15 specifications:

• Charging scenarios and potential requirements for different business and service model (e.g. B2B Services, NSaaS) using network slice.
• The possible charging aspects for network slice management, including the impact on charging architecture charging function and charging procedures.

The stage 1 requirements from TS 22.261 Release 15 and the open issues on network slicing topic that are for further study in TR 32.899 also are considered in this study.