Enforcement Rules of the Radio and Television Act Article 19

The stations themselves shall be responsible for pre-broadcast screening of programs. The audio and video files, manuscript or other pertinent materials shall be kept on file for twenty days for possible reference.
中文原文 廣播電視法施行細則第19條
電臺播送之節目,應自行審查。
播送後之影音檔案、節目文稿或其他有關資料,應保存二十日,以備查考。

English translation for reference only; the Chinese text prevails. Not legal advice.