In order to answer the research question, we will pursue the following objectives. In Chapter 1, we will examine underpinnings of the criticism of international law to situate our research into the wider theoretical debate. Chapter 2 will be devoted to understanding the concept of external outcasting as well as its origins and limitations. In Chapter 3 we will visit previous academic efforts to assess outcasting regime imposed on Russia and define the research gap. In Chapter 4 situates external outcasting of Russia into legal history perspective as a pivotal development of the prohibition on the use of force. Finally, Chapter 5 addressed basic characteristics of the mentioned outcasting regime including its legal basis and configuration.