Regulations Governing the Certification for Aviation Products, Appliances and Parts Article 38

Each manufacturer of a product being manufactured under a type certificate shall submit a production inspection system, an approved flight test procedure, acceptable testing of engines and propellers and airworthiness approval procedures approved by CAA.
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38條
未取得製造許可證之型別檢定證持有人,應檢附製造檢驗系統說明、試飛、試驗及適航核准文件之申請等程序向民航局申請核准後,始得依型別檢定證從事製造。

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