Civil Aviation Act Article 62

If the permit, Air Operator Certificate or air route certificate of the civil air transport enterprise has an expiration date shall not continue operation when it has been expired unless an extension is applied for and is approved in accordance with the laws.
中文原文 民用航空法第62條
民用航空運輸業許可證及航線證書定有期限者,期滿後非依法再行申請核准,不得繼續營業。

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