Public Breastfeeding Act Article 4

No one can forbid, eject, or interfere a woman from breastfeeding her child in public.The woman’s right to choose where to breastfeed should not be restricted by the fact that the public place has set up a breastfeeding (collecting) room.
中文原文 公共場所母乳哺育條例第4條
婦女於公共場所母乳哺育時,任何人不得禁止、驅離或妨礙。
前項選擇母乳哺育場所之權利,不因該公共場所已設置哺(集)乳室而受影響。

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