article_snippet: The European Court of Justice Justice has ruled that François Hollande's's eye-watering charge targeting second homes violated European law, the Telegraph reported.
article_snippet: But now the European Court of Justice in Luxembourg, the EU's highest court, ruled that the 'social contribution' charge violated the EU law because EU law is illegal for the EU citizens to contribute towards the social security systems of two member states at once. '
article_snippet: A person exercising an activity in one Member State is only subject to social security regulation of that Member State', said Eleanor Sharpston, the EU's top legal advisor.
highlights_snippet: This meant that Britons were paying into two social security systems, and effectively being taxed twice .
  
highlights_snippet: The European Court of Justice has ruled that This violated EU law, meaning that thousands of Britons are in line for substantial payouts .