Brussels, 06/02/2014 (Agence Europe) - In a judgment on case C-385/12 on 5 February, the European Court of Justice ruled that taxation which disadvantages undertakings linked, within a group, to companies established in another member state constitutes indirect discrimination on the basis of the registered office of the companies. Such could be the case of a Hungarian tax on the turnover of shop retail trade payable by all of those undertakings on the basis of their overall turnover....