A referendum on accession to the EU may be held only when an issue of the need to delegate part of Ukraine’s sovereign powers to the union is raised.
Ukraine-European Union Relations
Ukrinform: Poroshenko explains when referendum on joining EU may be held
A picture taken on Feb. 22, 2019 in Berlin shows a flag of the European Union fluttering at the Reichstag building that hosts the German parliament (Bundestag) in Berlin.
