Regulations Governing Licences and Ratings for Airmen Article 49

The applicant for commercial pilot licence-helicopter shall be able to demonstrate the ability to perform as pilot-in-command of a helicopter and must have no less than 3 hours dual instruction flight with the preceding 60 days. Or the applicant has completed the CAA established training program, the applicant shall be able to demonstrate in accordance with the “CAA HELLICOPTER PILOT RATING REPORT FORM” the ability to perform as pilot-in-command of the helicopter.
中文原文 航空人員檢定給證管理規則第49條
申請直昇機商用駕駛員術科檢定者,於檢定前六十日內應有三小時以上直昇機飛航訓練時間,或依民航局為該檢定核准之訓練計畫完成訓練,其檢定項目依直昇機駕駛員術科檢定報告表實施。

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