Oregon Revised Statutes Remedies and Special Actions and Proceedings § 31.200

(1) The owner, licensee or operator of a radio or television broadcasting station, and the agents or employees of the owner, licensee or operator, shall not be liable for any damages for any defamatory statement published or uttered in a radio or television broadcast, by one other than the owner, licensee or operator, or agent or employee thereof, unless it is alleged and proved by the complaining party that the owner, licensee, operator, agent or employee failed to exercise due care to prevent the publication or utterance of such statement in such broadcast.

(2) In no event shall any owner, licensee or operator of a radio or television broadcasting station, or any agent or employee thereof, be liable for any damages for any defamatory statement published or uttered by one other than such owner, licensee, operator, agent or employee, in or as part of a radio or television broadcast by any candidate for public office, which broadcast cannot be censored by reason of federal statute or regulations of the Federal Communications Commission.