Enforcement Rules of the Personal Data Protection Act Article 3
The circumstances where a data subject can be "indirectly identified", as referred to under subparagraph 1, paragraph 1 of Article 2 of the PDPA, shall mean the circumstances where a government or non-government agency possessing such data cannot directly identify the data subject, unless it compares, combines or connects such data with other data.
中文原文 個人資料保護法施行細則第3條
本法第二條第一款所稱得以間接方式識別，指保有該資料之公務或非公務機關僅以該資料不能直接識別，須與其他資料對照、組合、連結等，始能識別該特定之個人。