Environmental Impact Assessment Enforcement Rules Article 33

The same site referred to in Article 15 of this Act means those development sites within a certain area for which environmental background factors are similar and for which environmental impact can be jointly assessed.
中文原文 環境影響評估法施行細則第33條
本法第十五條所稱同一場所,指一定區域內,各開發場所環境背景因子類似,且其環境影響可合併評估者。

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