欧盟领导人希望尽快依照《里斯本条约》的第50条（成员国退出条款）开始走流程，也敦促英国方面从速照此办理。
The EU leadership would like to move the process along and has called on the UK to immediately take steps to do so, as outlined in Article 50, the member-withdrawal provision of the Treaty of Lisbon.