In the modern world, great attention is paid to integration processes as an imperative for many world regions, where within these regions countries join in order to exchange comparative advantages and strengthen their economic positions within the integrated area, as well as outside it. The reasons and motives are more, everyone sees their chance to boost economic power, while underdeveloped countries or countries in transition see their chances through the various privileges and reputations that such associations receive. However, as in all other social relations and in international, especially economic, there may be disputes, whose resolution, due to the specific nature of such relations and disputes, led to the development of a system of special and selected arbitration courts. The paper also analyzes the specific position and legal personality of international organizations, in order to apply the rules on their responsibility in resolving the disputes in question. By establishing the legal personality of international organizations in the establishment of international legal and economic relations, i.e. the ability to take on rights and obligations in their own name, their responsibility for non-respect of rights and non-fulfillment of obligations in the international law order are also established