Aircraft Flight Operation Regulations Article 308

For an airplane manufactured after March 30, 2002, no person may operate a turbine-powered airplane configured with six or more passenger seats, excluding any pilot seat, unless that airplane is equipped with an approved ground proximity warning system.For an airplane manufactured on or before March 29, 2002, no person may operate a turbine-powered airplane configured with six or more passenger seats, excluding any pilot seat, after March 29, 2005, unless that airplane is equipped with an approved ground proximity warning system.The use of ground proximity warning system, system audio and visual warnings for flight crew and procedures in response to the ground proximity warning system shall be contained in the Airplane Flight Manual.The ground proximity warning system shall meet the standards as set forth in Article 23, paragraph 1 of the Act.
中文原文 航空器飛航作業管理規則第308條
中華民國九十一年三月三十日以後製造出廠,乘員座位數六座以上之渦輪發動機之飛機,應裝置接近地面警告系統。
中華民國九十一年三月二十九日以前製造出廠,乘員座位數六座以上之渦輪發動機之飛機,於中華民國九十四年三月二十九日以後,應裝置接近地面警告系統。
接近地面警告系統之使用方法、系統聲響及目視警告時之反應程序,應訂定於飛航手冊。
本條所裝置之接近地面警告系統,應符合民航局依本法第二十三條第一項核定採用國際間通用之適航標準。

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