You can setting vat in tax option. Just Following the below link.

How to add tax ?

Then you can setting vat by following the steps.

  1. At first you have to add Additional tax classes (i.e. Vat) as your like then click on save changes.
  2. Then click on the tax option and insert row.
  3. After that type your tax name (i.e. vat) and other settings like as tax.
  4. Finally save change and enjoy vat in your transport.