The owner, licensee, or operator of a radio or television broadcasting station, and the agents or employees of any such owner, licensee or operator, shall not be liable for any damages for any defamatory statement published or uttered in or as a part of a radio or television broadcast, by one other than such owner, licensee or operator, or general agent or employees thereof, unless it shall be alleged and proved by the complaining party, that such owner, licensee, operator, general agent or employee, has failed to exercise due care to prevent the publication or utterance of such statement in such broadcasts, provided, however, the exercise of due care shall be construed to include the bona fide compliance with any federal law or the regulation of any federal regulatory agency.