Leave.EU was found guilty, and fined at least once: https://www.theguardian.com/politics/2018/may/11/leaveeu-fined-70k-breaches-of-electoral-law-eu-referendum

Leave.EU was found guilty, and fined at least once: https://www.theguardian.com/politics/2018/may/11/leaveeu-fined-70k-breaches-of-electoral-law-eu-referendum https://www.theguardian.com/politics/2018/may/11/leaveeu-fin...