Regulations governing fees of Telecommunications Enterprise with Significant Market Power Article 7
If the primary fee carries a different rate scale when the telecommunications enterprise with significant market power is adjusting the fee in the year of implementation, the fee adjustment percentage shall be the adjustment percentage of each level of the scale based on the traffic flow of that level, which may be determined according to the weighting of Laspeyres Price Index in the appendix but shall not exceed the fee adjustment percentage of the year of implementation specified in Article 5.If the rate scale adjustment percentage is not determined based on the traffic flow, it may be determined based on the number of subscribers.The different rate aforementioned in Paragraph 1 shall be the rate established in the same telecommunications service fee based on different time period, communication location or transmission rate.Appendix Laspeyres Price Index Formula.pdf
中文原文 市場顯著地位者資費管理辦法第7條
市場顯著地位者於實施年度調整主要資費時，如其資費有不同之費率級距，其資費調整百分比之認定，為各級距費率調整百分比依各該級距之訊務量，得按附件所定拉氏價格指數公式加權計算之，並不得超過第五條規定之實施年度資費調整百分比。
如前項費率級距調整百分比之計算，非以訊務量為計算基礎者，得依用戶數計算之。
第一項所稱不同之費率級距，係指同一電信服務資費依不同時段、不同通信地點或不同速率等方式分別訂價之費率。
如前項費率級距調整百分比之計算，非以訊務量為計算基礎者，得依用戶數計算之。
第一項所稱不同之費率級距，係指同一電信服務資費依不同時段、不同通信地點或不同速率等方式分別訂價之費率。