Cable Radio and Television Act Article 17

If there is a change in the content of the establishment permit, an application for permit renewal shall be filed with the central regulatory agency by the founder within 15 days after the change. If the establishment permit has been lost, an application for reissuing an establishment permit shall be filed within 15 days.
中文原文 有線廣播電視法第17條
籌設許可證所載內容變更時,籌設人應於變更後十五日內向中央主管機關申請換發;籌設許可證遺失時,應於十五日內申請補發。

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