Regulations Governing Licences and Ratings for Airmen Article 71

Private pilot license-glider-applicant shall have completed not less than 10 hours of glider flight time, which includes:(1) Minimum of 20 sessions of flight training.(2) Minimum of 2 hours of solo glider flight time and 10 take-offs and landings.If applicant of private pilot license-glider has a minimum of 40 hours of flight time in either aeroplane or helicopter, the flight training time in glider may be reduced to 3 hours, which includes 10 solo glider flights.
中文原文 航空人員檢定給證管理規則第71條
申請滑翔機自用駕駛員檢定證者,應有至少十小時以上滑翔機飛航訓練總時間,並符合下列條件:
一、二十次以上之飛航訓練。
二、二小時以上之單獨滑翔機飛航並執行十次以上之起飛及落地。
申請滑翔機自用駕駛員檢定證者如具備飛機或直昇機飛航時間四十小時以上者,其滑翔機飛航訓練時間得減為三小時,其中至少十次單獨滑翔機飛航。

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