The Hague programme, adopted by the European Council on 4 and 5 November 2004, also tackles this problem and calls for cooperation between the Member States to be stepped up.
I Haag-programmet, som Det Europæiske Råd vedtog den 4. og 5. november 2004, behandles dette problem også, og der opfordres til at styrke samarbejdet mellem medlemsstaterne.