They are not official because they have not been published in the Official Journal of the European Union.
Soviet Union | European Union | Union Army | rugby union | European Parliament | Union | Member of the European Parliament | European Commission | The Wall Street Journal | International Telecommunication Union | trade union | European Space Agency | Union (American Civil War) | Union Pacific Railroad | England national rugby union team | European | European Court of Human Rights | American Civil Liberties Union | academic journal | Wales national rugby union team | scientific journal | New Zealand national rugby union team | Ireland national rugby union team | journal | European Court of Justice | Western Union | Scotland national rugby union team | International Astronomical Union | Georgia national rugby union team | Trade union |