Regulations Governing the Determination and Cancellation of Significant Market Power Article 5
The following criteria may be taken into consideration for the announcements of percentages pursuant to Subparagraph 2, Paragraph 1, Article 28 of the Act:1. For an entity that has 40% or more of market share in the specific telecommunications market（referred to as the market hereinafter）, the competent authority may consider the market structure for certification of significant market power;2. For an entity that has 50% or more of market share, it is considered a significant market power.The market share percentage mentioned in the preceding paragraph shall be determined based on the number of subscribers or revenue from the specific telecommunications service.A telecommunications enterprise whose total revenues of the previous fiscal year does not reach 2 billion New Taiwan Dollars shall not be considered as significant market powers under these Regulations.
中文原文 市場顯著地位者認定及解除認定實施辦法第5條
主管機關依本法第二十八條第一項第二款所為比率之公告，得考量以下基準：
一、於特定電信服務市場（以下簡稱該市場）具有百分之四十以上之市場占有率者，主管機關應綜合考量其市場結構認定有無市場顯著地位。
二、於該市場上持續具有百分之五十以上市場占有率，推定具有市場顯著地位。
前項市場占有率，以該特定電信服務之用戶數或營業額計算之。
電信事業上一會計年度總營業額未達新臺幣二十億元者，得不列入本辦法市場顯著地位者之認定範圍。
一、於特定電信服務市場（以下簡稱該市場）具有百分之四十以上之市場占有率者，主管機關應綜合考量其市場結構認定有無市場顯著地位。
二、於該市場上持續具有百分之五十以上市場占有率，推定具有市場顯著地位。
前項市場占有率，以該特定電信服務之用戶數或營業額計算之。
電信事業上一會計年度總營業額未達新臺幣二十億元者，得不列入本辦法市場顯著地位者之認定範圍。