The Representation of the People Act 1983 sets out that a person is guilty of an illegal practice if, before or during an election, they aim to affect the result by making or publishing a false statement in relation to a candidate’s personal character or conduct.

The accuracy of arguments advanced in the course of an election or referendum is not subject to regulation. It is for rival campaigners to challenge and rebut arguments they perceive to be inaccurate as part of the normal course of political debate.

Cabinet Office