You should create a tax group for each VAT rate (please note you must also create a tax group list in order to apply taxes to products). You can find the tax groups in the menu Settings -> Finance -> Tax Groups.
Enter a name for the tax group that is used internally within the administration program.
The tax percentage.
An abbreviation/code for the tax group.
Here you can provide a list of countries the customer must be from in order for applying this tax percentage. If you leave the list empty then the tax group will be used with all countries.
Here you can select a language and then provide language dependent information that the user will see in e.g. the webshop.
Enter a name for the tax group for each supported language.