Water Pollution Control Act Article 58

For those circumstances in which a single enterprise installs multiple discharge points, or in which multiple enterprises jointly install wastewater treatment facilities or use a single discharge point, and discharged wastewater fails to meet effluent standards or other regulations of this Act, each enterprise shall be fined separately.
中文原文 水污染防治法第58條
同一事業設置數放流口,或數事業共同設置廢水處理設施或使用同一放流口,其排放廢水未符合放流水標準或本法其他規定者,應分別處罰。

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