Environmental Impact Assessment Enforcement Rules Article 11

Those developers that submit an environmental impact statement pursuant to Article 7, Paragraph 1 of this Act shall, unless the procedures of other relevant laws and regulations apply, perform this task during the development review stage or development permission application stage.
中文原文 環境影響評估法施行細則第11條
開發單位依本法第七條第一項提出環境影響說明書者,除相關法令另有規定程序者外,於開發審議或開發許可申請階段辦理。

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