Many States have incorporated General Anti-Avoidance Rules (GAARs) into their tax laws to prevent tax avoidance; within the EU, a GAAR is even mandatory for corporate taxation since 1 January 2019 (Article 6 of the EU Anti-Tax Avoidance Directive (EU ATAD)). States are recommended in the OECD Model Tax Convention on Income and Capital to…

The decisions of European Court of Justice (CJEU) in the Vodafone and Tesco cases[1] were eagerly awaited by many interested in EU tax law. It was expected that the CJEU would answer the question whether progressive turnover-based business taxes levied on certain sectors of the economy are compatible with EU law, more specifically with the…

Revised transfer pricing legislation set out in the Finance Act 2019 (No 45 of 2019), sections 24 to 27, represents a radical shift in the Irish approach to this area of international tax law. Transfer pricing legislation came somewhat later to Ireland than other OECD countries, having been first introduced in Finance Act 2010. The…

Two cases, currently before different courts highlight long-standing questions around the attribution of profits to permanent establishments. Irish and United Kingdom law on the attribution of profits to branches of non-resident companies remined identical for decades until 2003. In each country, a non-resident company trading through a branch in that country was chargeable to corporation…

May linking rules related to hybrid financial instruments be incompatible with the EU Fundamental freedoms? And with Article 24 (4) OECD MC? What about treaty override? It is no secret that hybrid financial instruments (HFIs) serve actual business and legal purposes by allowing investors and issuers to better meet their economic and legal needs from…

In June 2017, the European Commission published its proposal on transparency rules for tax planning by intermediaries and certain taxpayers (the Commission proposal). The Commission proposal was amended multiple times, before it was formally adopted as Directive 2018/822 (DAC6) on 25 May 2018. DAC6 requires Member States to put in place, by 31 December 2019,…

The General Court of the European Union has issued two awaited rulings in the Starbucks[1] and Fiat[2] cases. The length and the depth of the analysis made by the judges of the General Court should be acknowledged, even if certain key issues are perhaps too rapidly dealt with. Although the Commission lost in Starbucks, the…