Telecommunications Management Act Article 27
To ensure effective competition in the telecommunications service market, the competent authority is entitled to adopt control measures for those with market significance in the specific telecommunications service market if necessary.When delimiting the scope of the specific telecommunications service market as described in the preceding paragraph, the competent authority shall take the following factors into consideration:1. The technology and service development level;2. The importance thereof in the overall telecommunications service market;3. The region or range of competition and the demand or supply substitutability of that service;4. The structure and competition of the telecommunications service market.With respect to the determined scope of a specific telecommunications service market, the competent authority shall carry out a review every 3 years and hold a public hearing therefor to listen to the opinions of telecommunications enterprises and stakeholders.
中文原文 電信管理法第27條
為確保電信服務市場有效競爭，主管機關於必要範圍內，得對特定電信服務市場之市場顯著地位者採取特別管制措施。
主管機關界定前項特定電信服務市場，應綜合考量下列因素：
一、技術及服務之發展程度。
二、於整體電信服務市場之重要性。
三、從事競爭之區域或範圍，及該服務之需求或供給替代性。
四、電信服務市場之結構及競爭情形。
主管機關每三年應就特定電信服務市場認定範圍進行檢討，並舉行公聽會，聽取電信事業及利害關係人之意見。
主管機關界定前項特定電信服務市場，應綜合考量下列因素：
一、技術及服務之發展程度。
二、於整體電信服務市場之重要性。
三、從事競爭之區域或範圍，及該服務之需求或供給替代性。
四、電信服務市場之結構及競爭情形。
主管機關每三年應就特定電信服務市場認定範圍進行檢討，並舉行公聽會，聽取電信事業及利害關係人之意見。