Tariffs and VAT are established by the customs authorities of the country or region where the goods are purchased, and are based on the country of manufacture and the goods. Classification determines the amount of duty. The amount you pay at the time of purchase does not include local customs duties and VAT,  which may or may not be levied at the discretion of the local customs office. If you have any questions, please feel free to contact the relevant tax authorities in your country.