Air Pollution Control Act Enforcement Rules Article 10

Development referred to in Article 15, paragraph 1 of this Act means the establishment, expansion or modification of special industrial parks.The expansion or modification of ordinary industrial parks to accommodate special industries, in which the affected area is one-fourth or more of the total industrial park area, shall be considered as development of special industrial parks.
中文原文 空氣污染防制法施行細則第10條
本法第十五條第一項所稱開發,指特殊性工業區新設、擴大或變更而言。
一般性工業區經擴大或變更而容納特殊工業,且占其總面積四分之一以上者,以開發特殊性工業區論。

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