Regulations on Tourist Hotel Enterprise Plans for Maintaining the Security of Personal Information Files Article 20

A tourist hotel enterprise may take appropriate measures, by adopting mechanisms for keeping records of the use of personal information, 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 觀光旅館業個人資料檔案安全維護計畫辦法第20條
觀光旅館業得採行適當措施,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定計畫之執行情況。

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