The content of tax rules, and, consequently, the whole taxation system is never free from a political aspect. Taxes have always been, and shall remain, an issue related to power. Therefore the decisions how the tax burden shall be distributed, even if taken by parliament, will never be free from political pressures. Consequently, it is even more important to secure transparency of the tax rules, especially of those which impose tax obligations, because those are too often blurred and contain a vested interest of a certain pressure group which has helped a given politician to raise to power, or has at least contributed to his attaining of political power. Politicians should remember that the way to understand taxes leads through the u...