A tax heaven is usually a territory with lower tax duties in comparison to other countries. For that reason countries maintain different sorts of law restrictions in tax heavens. We can also make various classifications of them. Companies use several basic methods in tax heavens to reduce tax obligations. The most popular are: tax prices, incidental inflation of costs, a temporary transfer of the earnings, treaty shopping and raising a rotary company. The opening of the Polish economy facilitated the entrance to tax heaven. Internet and magazines present many ways how to raise an offshore company. Because of great interest in tax heavens the Polish government produced different law regulations for currency law and tax law. Apart fr...