ISTANBUL The European Commission on Monday announced that the EU’s trade agreement with Mercosur -- comprising Argentina, Brazil, Paraguay and Uruguay -- will be provisionally applied starting May 1. "The European Union has today notified to the Mercosur countries the instrument of provisional application for the EU-Mercosur interim Trade Agreement (iTA). By sending its ‘note verbale’ to Paraguay, the legal guardian of the Mercosur treaties, the European Commission has taken the final