In June 2016 he said: "There needs to be a notification by the country concerned of its intention to leave (the EU), hence the request (to British Prime Minister David Cameron) to act quickly."
Pada Juni 2016, ia mengatakan, "Negara yang ingin keluar (dari UE) perlu menyampaikan surat pemberitahuan, jadi tolong (Perdana Menteri David Cameron) bertindak cepat."