Regulations governing fees of Telecommunications Enterprise with Significant Market Power Article 5
The following shall be adhered to when the telecommunications enterprise with significant market power adjust the primary fee of every year of implementation pursuant to the formula specified in Article 2:1.Where the（ΔCPI-X）value is greater than "0," the percentage of increase shall not exceed the value of（△CPI－X）for the fee provided by the telecommunications enterprise with significant market power that implement fee control measures in the year of implementation;2.Where the（ΔCPI-X）value is less than "0," the percentage of decrease shall be at least the absolute value of（△CPI－X）or the fee provided by the telecommunications enterprise with significant market power that implement fee control measures in the year of implementation on the first day of implementation; the fee provided in the year of implementation shall not be greater than that determined according to the percentage of decrease based on（△CPI－X）;3.Where（ΔCPI-X）is equal to "0," the fee provided by the telecommunications enterprise with significant market power that implement fee control measures in the year of implementation shall not be increased.
中文原文 市場顯著地位者資費管理辦法第5條
市場顯著地位者每一實施年度之主要資費依第二條所定公式調整時，應依下列之規定：
一、（△CPI－X）值大於零時，於實施年度內實施資費管制措施之市場顯著地位者資費之調升百分比不得超過（△CPI－X）值。
二、（△CPI－X）值小於零時，於實施年度之首日，實施資費管制措施之市場顯著地位者資費之調降百分比應至少為（△CPI－X）之絕對值；其資費費率於實施年度內，不得高於依（△CPI－X）調降百分比計算之資費費率。
三、（△CPI－X）值等於零時，於實施年度內實施資費管制措施之市場顯著地位者之資費不得調升。
一、（△CPI－X）值大於零時，於實施年度內實施資費管制措施之市場顯著地位者資費之調升百分比不得超過（△CPI－X）值。
二、（△CPI－X）值小於零時，於實施年度之首日，實施資費管制措施之市場顯著地位者資費之調降百分比應至少為（△CPI－X）之絕對值；其資費費率於實施年度內，不得高於依（△CPI－X）調降百分比計算之資費費率。
三、（△CPI－X）值等於零時，於實施年度內實施資費管制措施之市場顯著地位者之資費不得調升。