Aircraft Flight Operation Regulations Article 79-1
For take-off in low visibility, CAA shall issue a specific approval for the minimum take-off runway visual range (RVR).
中文原文 航空器飛航作業管理規則第79-1條
航空器使用人所訂起飛之最低跑道視程應經民航局核准。
English translation for reference only; the Chinese text prevails. Not legal advice.