Aircraft Flight Operation Regulations Article 174

An operator shall maintain a record of the qualification of the pilot including flight hours, training received, proficiency checks and personal profile for CAA inspection.
中文原文 航空器飛航作業管理規則第174條
航空器使用人應保存飛航組員個人之飛航時間、訓練、考驗及人事等資料,供民航局查核。

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