Regulations Governing the Establishment, Supervision and Management of Telecommunications Dispute Resolution Institutions Article 5

The personnel and mediators of the Institution shall not concurrently hold any position nor any honorary position in any telecommunications enterprises in any way.
中文原文 電信消費爭議處理機構設立與監督管理辦法第5條
爭議處理機構之所屬人員與調處委員不得以任何方式兼任電信事業之任何職務或名譽職位。

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