Civil Aviation Act Article 9
Design and manufacture of aviation products, appliances and parts shall apply to CAA for approval. Relevant certificates will be issued in case that CAA’s certification thereof is completed with satisfactory outcome. No person may manufacture, sell or use aviation products, appliances and parts unless that the said certificates have been issued by CAA in advance.No person may sell or use aviation products, appliances and parts that imported for civil aviation use unless that they have been certificated or validated by CAA in advance.The owner or operator of the B-registered aircraft shall apply to CAA for airworthiness inspection. Upon satisfactory outcome of the inspection, an airworthiness certificate will be issued.The regulations governing the certification for the design and manufacture of aviation products, related appliances and parts, as prescribed in the previous three paragraphs, that address applications, classification and limitations, validation, issuance of certificates, modification, cancellation and renewal of airworthiness certificates, airworthiness approval tags, fee requirements for certificate issuance, and all other matters of compliance is when required, should be enacted by the MOTC.
中文原文 民用航空法第9條
航空產品與其各項裝備及零組件之設計、製造，應向民航局申請檢定，檢定合格者，發給相關證書；非經民航局檢定合格發給相關證書，不得製造、銷售或使用。
自國外進口之航空產品與其各項裝備及零組件，非經民航局檢定合格或認可，不得銷售或使用。
已領有登記證書之航空器，其所有人或使用人，應向民航局申請適航檢定；檢定合格者，發給適航證書。
前三項航空產品與其各項裝備、零組件設計、製造之檢定、適航證書與適航掛籤之申請、分類與限制、認可、發證、變更、撤銷或廢止之條件、註銷與換發、證照費收取及其他應遵行事項之規則，由交通部定之。
自國外進口之航空產品與其各項裝備及零組件，非經民航局檢定合格或認可，不得銷售或使用。
已領有登記證書之航空器，其所有人或使用人，應向民航局申請適航檢定；檢定合格者，發給適航證書。
前三項航空產品與其各項裝備、零組件設計、製造之檢定、適航證書與適航掛籤之申請、分類與限制、認可、發證、變更、撤銷或廢止之條件、註銷與換發、證照費收取及其他應遵行事項之規則，由交通部定之。