On 6 October 2015, the Court of Justice of the European Union (CJEU) ruled on an issue referred to the Court by the Austrian Higher Administrative Court concerning Austria's group taxation regime, which allows for the depreciation of goodwill derived from the acquisition of a participation in a resident group subsidiary. Under the regime, the parent company may depreciate the goodwill up to 50% of the purchase price of a holding in a resident company, but may not depreciate goodwill in the ca…