August 04, 2009 ... The Federal Communications Commission (FCC) guidelines make it crystal clear. ... Using "god damn it," for example, is not "legally profane" according to the FCC. ...
http://www.npr.org/ombudsman/2009/08/bleeping_out_words.html
January 16, 2008 ... Regulations from the Federal Communications Commission (FCC) govern all underwriting and sponsorship announcements by NPR and public radio stations. ...
http://www.npr.org/ombudsman/2008/01/frequently_asked_questions_1.html