Abstract
The main goal of this paper is to outline the importance of Article 4 in the daily work of the North Atlantic Treaty Association. The paper answer the questions such as: in what cases are consultations called? Who can apply for consultations in NATO? What role does consultation play in the organization's decision-making? What kind of consultations can hold in the organization? A broad definition of consultation in the paper demonstrates its importance and effectiveness in the work of an organization. At the same time, practical examples indicate that it is very effective, and based on it, the Member States can make the best decisions. This allows the Member States not only to respond to threats of territorial integrity, political independence and security but also to have a preventive nature. The paper also includes the definition of bases of consultations that may threaten: that's are territorial integrity, political independence or security. Accordingly, the political and legal meanings of these terms are widely defined. Finally, the paper provides a clear legal definition of Article 4 of the founding Treaty of the North Atlantic Treaty Organization, which will enable the interested party to comprehend the conditions of this paper.