UEFA Euro 2012 Final the reportedly unpredictable Adidas Jabulani used at the 2010 World Cup. Pedro Proença, representing the Portuguese Football Federation, was chosen by UEFA as the official referee of the final. He first became an international referee in 2003, and the same year in June, Proença officiated an 2003 Intertoto Cup first round match between Žalgiris and Örgryte. Proença had previously been in charge of two UEFA finals, the 2004 UEFA Under-19 Championship Final between Turkey and Spain, and the 2012 UEFA Champions League Final between Chelsea and Bayern Munich. He has also refereed nine other Champions League matches, and 18 UEFA
Dutch nationality law state: "I swear (declare) that I respect the constitutional order of the Kingdom of the Netherlands, its freedoms and its rights, and I swear (promise) to faithfully fulfil the obligations due to my nationality. So help me God Almighty", or: "This is what I promise and declare." According to Art. 23.3. of the Kingdom Act on the Netherlands Nationality, some categories of people are excepted from declaring their allegiance, through a general administrative measure. According to Art. 60a.6. of the Decree regarding the Obtention and Loss of the Netherlands Nationality, persons with a physical or psychical handicap who are unable