UK Opinion in the matter of the Political Parties, Elections and Referendums Act 2000 and the European Union Referendum Act 2015 and in the matter of Referendum Expenses Tilis 7 years ago https://www.parliament.uk/documents/commons-committees/culture-media-and-sport/Background%20paper%20-%202016%20Referendum%20Expenses%20Opinion%20-%20Matrix%20Chambers.pdf