2 Sources of the International Law of Taxation
Chapter 2 is the main part of the book and it is structured along the different sources of the international law of taxation. This includes (i) treaties, (ii) customary international law, (iii) general principles of international law, and (iv) soft law. The chapter contains a comprehensive outline of the functioning of double tax treaties and other treaties focusing on tax matters such as treaties on mutual exchange of taxpayer information. The entire OECD MC is discussed and reference is made to brief case studies in order to allow the reader a better understanding of the international tax regime. A particular focus is in on the functioning the allocation rules in Arts 6–22 OECD model convention, however, this chapter also includes general remarks on the interpretation of tax treaties and soft law used in international tax matters. The chapter closes with a concise overview of the EU tax system.