In no event, however, shall any owner, licensee or operator of such station or network of stations, or the agents or employees thereof, be liable for any damages for any defamatory statement or matter published or uttered by one other than such owner, licensee or operator, or agent or employee thereof, in or as a part of a visual or sound radio broadcast by or on behalf of any candidate for public office, which broadcast cannot be censored by reason of the provisions of federal statute or regulation of the Federal Communications Commission.
[3:230:1951]