The article presents evidence of negative consequences of offshore activity by international businesses and presents losses suffered by a domestic economic system from actions by jurisdictions that condone tax evasion. It reviews main methods of combating offshore operations on both global and at an individual country levels. The article shows that a modern policy on de-off shoring is consistent with main trends in international tax regulation.

The article considers the fiscal aspects of the latest EU enlargement. The author presents a general characteristic of the tax systems and tax policies of the EU member countries, analyses differences in the level of corporate and individual taxation as well as in indirect taxation between EU old and accessory members. The prospects of the international tax competition in the EU and the European tax harmonization (coordination) have been studied.

The article analyses the interrelationship between stages (waves) of the globalization process in the XIX XXI centuries and historical periods of the national tax systems convergence. The peculiarities of the bilateral and multilateral intergovernmental cooperation in the fiscal sphere are revealed. The author investigates the role of tax treaties as well as the role of international organizations and regional communities whose activity are connected with the national tax policies coordination.