How to set VAT in Opencart 2.1+ (Romania 20% VAT or other countries)?

Go to Admin.

System > localisation > Geozones. Add for example: Romania / Romania. And very important, add below at country, pick your country and select “all zones”.

System > localisation > Taxes > add TVA. Check the picture.

System > localisation > Taxes > Tax Classes > add TVA (Romania). Title/description: add “TVA”. Below add: TVA / shipping address / priority 1.