On 21 December 2016, the Court of Justice of the European Union (CJEU) issued its judgment concerning the 2009 and 2011 decisions of the European Commission that Spain's goodwill amortization rules violated EU State aid rules. The rules in question allow a Spanish taxpayer to amortize goodwill resulting from an acquired shareholding in a foreign company if the shareholding is at least 5% and is held for at least one year. However, such amortization is not allowed for similar acquisitions of a…