Per default, every tax is included in the price. The price is equal for every customer. In this case your customers pay only the tariff cost. However, you can change tax inclusion rules for various groups of clients. There are two options here:
tax is not included in the tariff cost. Customers subject to the tax would pay a tariff cost + tax;
customers pay taxes when they add funds to their account balance. It is required in some countries. Please check with tax regulations in your country.
Tax rates for defferent countries and regions
Some counties have the two-level tax system. In order to comply with such systems, BILLmanager allows setting up a national tax for the whole country and federal taxes for specific regions. Such taxes will be summarized.