Rules of the Air Article 57

Unless exercising search and rescue during the night, emergency medical services, training within the traffic pattern or authorized by the CAA, aircraft shall not be operated as a VFR flight during the night.When operating as a VFR flight during the night as prescribed in previous paragraph shall be capable of instrument flying, and operated in accordance with visual flight rules.When operating as a VFR flight during the night, aircraft shall comply with the weather minima specified in Articles 55 and 56.
中文原文 飛航規則第57條
除實施夜間緊急搜救任務、緊急醫療包機任務、機場航線訓練或經民航局准許外,航空器不得於夜間飛航時作目視飛航。
前項實施夜間目視飛航航空器應具儀器飛航能力,並按目視飛航之規定實施。
實施夜間目視飛航,其天氣標準應依本規則第五十五條及第五十六條規定辦理。

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