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Formulary Apportionment And International Tax Rules, Reuven S. Avi-Yonah, Zachee Pouga Tinhaga
Formulary Apportionment And International Tax Rules, Reuven S. Avi-Yonah, Zachee Pouga Tinhaga
Book Chapters
Any proposal to adopt unitary taxation (UT) of multinationals has to contend with whether such taxation is compatible with existing international tax rules, and, in particular, with the bilateral tax treaty network. Indeed, some researchers have argued that the separate accounting (SA) method and the arm’s length standard (ALS), introduced in the early twentieth century, are so embodied in the treaties that they form part of customary international law, and are binding even in the absence of a treaty. We disagree, because the unitary approach is just as widely embodied in most of the current international tax treaties, and, where …
Double Tax Treaties: An Introduction, Reuven S. Avi-Yonah
Double Tax Treaties: An Introduction, Reuven S. Avi-Yonah
Book Chapters
The existing network of more than 2,500 bilateral double tax treaties (DTTs) represents an important part of international law. The current DTTs are all based on two models, the Organisation for Economic Co-operation and Development (OECD) and United Nations (UN) model DTTs, which in turn are based on models developed by the League of Nations between 1927 and 1946. Despite some differences that will be discussed below, all DTTs are remarkably similar in the topics covered (even the order of articles are always the same) and in their language. About 75% of the actual words of any given DTT are …