Public Television Act Article 12

If techniques and budget permit, the PTS Foundation shall offer complete TV reception of the same quality to viewers nationwide.
中文原文 公共電視法第12條
公視基金會於技術及經費許可範圍內,應提供國內各地區觀眾完整與相同品質之電臺收視機會。

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