Regulations Governing Personal Data File Security Maintenance Plan and Processing Method for the Civil Aviation Enterprise Article 21

The enterprise may take appropriate measures, by adopting mechanisms for keeping records of the use of personal data, or the retention of tracking data in automatic machines or devices, or other relevant proof, to provide when necessary for explaining the situation of the execution of its Plan.
中文原文 民用航空運輸業個人資料檔案安全維護計畫及處理辦法第21條
業者得採行適當措施,採取個人資料使用紀錄、留存自動化機器設備之軌跡資料或其他相關證據保存機制,以供必要時說明其所訂計畫之執行情況。

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