Administrative Regulation Governing Tariffs of Type I Telecommunications Enterprises Article 12

Asides from the dominant Type I Telecommunications Enterprises, the adjustment and promotional scheme of tariffs of Type I Telecommunications Enterprises shall be announced through the media, websites, and at all business premises, shall be disclosed fully in an appropriate manner, and shall be reported to the NCC prior to the effective date of such implementation or cancellation.If the tariffs and promotional scheme reported or implemented by Type I Telecommunications Enterprises are deemed to be against consumer interest or cause unfair competition, the NCC may order the enterprises to undertake corrective measures within a prescribed period of time.
中文原文 第一類電信事業資費管理辦法第12條
第一類電信事業資費之調整及其促銷方案,除市場主導者之主要資費外,應於預定實施前以媒體、電子網站及各營業場所公告等適當方式完整揭露資費訊息,並函知本會;取消時亦同。
第一類電信事業陳報或實施之資費及其促銷方案,若有損害消費者權益或不公平競爭之情事,本會得限期命其改正其行為。

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