European Union – Social security. The Court of Justice of the European Union made a preliminary ruling concerning the interpretation of arts 19(1) and 20(1) and (2) of Regulation (EC) 883/2004 of the European Parliament and of the Council (on the coordination of social security systems). The request had been made in proceedings between I, an Irish national, and the Irish Health Service Executive concerning the latter's refusal to grant the applicant a further renewal of Form E 112 to cover the costs of medical treatment which he was receiving in Germany.