 The city council also works closely with Werrington neighbourhood association which operates on a similar basis to a parish council.Parish elections are held every four years on the ordinary day of election of councillors for the unitary authority.On Thursday 23 June 2016 Peterborough voted in the 2016 EU Referendum under the provisions of the European Union Referendum Act 2015 where voters were asked to decide on the question "Should the United Kingdom remain a member of the European Union or leave the European Union?"