The administrator can set the tax, which will be automatically added to each order. It is possible to set two types of taxes:

1. VAT tax on delivery costs [%]
2. VAT tax on costs of payment [%]

To set taxes you have to: 

1. Log in to Administrator Panel
2. Click on Configurations section
3. Go to "Taxes" tab
4. Fill selected fields
5. Save changes by clicking "Update" button