Personal Data Protection Act Article 20

Except for the personal data specified in paragraph 1 of Article 6, non-government agencies shall use personal data only within the necessary scope of the specific purpose of collection; the use of personal data for another purpose shall be only on any of the following bases:1.where it is expressly required by law;2.where it is necessary for furthering public interests;3.where it is to prevent harm to the life, body, freedom, or property of the data subject;4.where it is to prevent material harm to the rights and interests of others;5.where it is necessary for statistics gathering or academic research by a government agency or an academic institution for public interests; provided that such data, as provided by the data provider or disclosed by the data collector, may not lead to the identification of a specific data subject;6.where consent has been given by the data subject; or7.where it is for the data subject's rights and interests.When a non-government agency uses personal data for marketing purpose pursuant to the preceding paragraph, upon the data subject's objection to such use, the agency shall cease using the data subject's personal data for marketing.Non-government agencies, when using the data subject’s personal data for marketing purpose for the first time, shall provide the data subject the ways that he/she can object to such use, and the agency shall pay for the fees therefrom.
中文原文 個人資料保護法第20條
非公務機關對個人資料之利用,除第六條第一項所規定資料外,應於蒐集之特定目的必要範圍內為之。
但有下列情形之一者,得為特定目的外之利用:
一、法律明文規定。
二、為增進公共利益所必要。
三、為免除當事人之生命、身體、自由或財產上之危險。
四、為防止他人權益之重大危害。
五、公務機關或學術研究機構基於公共利益為統計或學術研究而有必要,且資料經過提供者處理後或經蒐集者依其揭露方式無從識別特定之當事人。
六、經當事人同意。
七、有利於當事人權益。
非公務機關依前項規定利用個人資料行銷者,當事人表示拒絕接受行銷時,應即停止利用其個人資料行銷。
非公務機關於首次行銷時,應提供當事人表示拒絕接受行銷之方式,並支付所需費用。

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