Regulations Governing the Certification for Aviation Products, Appliances and Parts Article 56

Each holder of a Parts Manufacturer Approval shall determine that each completed part conforms to the design data and is safe for installation on type certificated products.Each holder of a PMA shall make necessary inspections and tests upon CAA’s request to ensure the compliance with the provisions prescribed in this chapter.
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56條
零組件製造者核准書持有人應確保其製造之產品符合經核准之設計,並可安全地安裝於適用之航空產品上。
零組件製造者核准書持有人,應依民航局檢查之要求進行檢驗及試驗,以確認符合相關規定。

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