Aircraft Flight Operation Regulations Article 81

A pilot for making meteorological observations on board aircraft in flight and for recording and reporting them shall be in compliance with “Rules of the Air” and the appropriate procedures prescribed by regulations.
中文原文 航空器飛航作業管理規則第81條
飛航中駕駛員執行氣象觀察及報告,應依飛航規則及相關規定所定之程序。

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