Regulations Governing the Security Assurance Plan and Processing Method for Personal Data of the Engineering Consulting Industry Article 10

When the consulting firm uses personal information for marketing for the first time, it shall provide the information owner a free-of-charge means of expressing refusal to marketing. If the owner rejects such marketing, the consulting firm shall immediately stop using that owner’s personal information for marketing, and notify the relevant staff members.
中文原文 工程技術顧問業個人資料檔案安全維護計畫及處理辦法第10條
顧問公司於首次利用個人資料行銷時,應提供當事人免費表示拒絕接受行銷之方式。
當事人表示拒絕接受行銷時,應立即停止利用其個人資料行銷,並週知所屬人員。

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