On 20 February 2016, it was announced that the UK would hold a vote on their membership of the EU on 23 June 2016.

Please see our EU referendum overview here:

http://www.shearman.com/~/media/Files/NewsInsights/Publications/2016/03/Brexit-Options-for-and-Impact-of-thePossible-Alternatives-to-EU-Membership-FIAFR-032116.pdf