Regulations Governing the Certification for Aviation Products, Appliances and Parts Article 9
Each person who proposes to change a type certified product must apply for a new type certificate in accordance with Article 7, if CAA finds that the proposed change in design, power, thrust, weight, engine rating limitation or speed limitation is so extensive that a substantially complete investigation of compliance with the applicable regulations is required.
中文原文 航空產品與其各項裝備及零組件適航檢定管理規則第9條
對取得型別檢定證之航空產品設計、構型、動力、重量、發動機功率限制或速度限制有重大變更計畫，將致民航局對該產品與相關標準之符合性進行全面審查者，設計者應依第七條規定另行申請型別檢定。