In this article, the authors discuss the implications of their study on the effectiveness of the Multilateral Instrument (MLI). Their analysis finds that there are 79 parties to the MLI and that... Show moreIn this article, the authors discuss the implications of their study on the effectiveness of the Multilateral Instrument (MLI). Their analysis finds that there are 79 parties to the MLI and that the MLI covers 1,231 tax treaties and that the OECD currently overreports the effectiveness of the MLI. Show less
Customary international tax law has traditionally not received a lot of acclaim in international tax law literature. However, the infrastructure of international tax law is becoming increasingly... Show moreCustomary international tax law has traditionally not received a lot of acclaim in international tax law literature. However, the infrastructure of international tax law is becoming increasingly multilateral. The recent adoption of the Multilateral Instrument and the creation of the Inclusive Framework, two initiatives related to the OECD/G20 Base Erosion and Profit Shifting Project, have accelerated the width of cooperation on international tax matters. For that reason, the authors (re)consider the existence of customary international law in the area of international tax law. They conclude that, perhaps contrary to the intuition of tax lawyers, the evidence in favour of customary international tax law is building up. The question whether customary law exists within the area of international taxation is therefore not misplaced. Show less
