Regulations Governing Air freight Forwarder Article 28-1

A foreign air freight forwarder branch office terminating business operations is required to file with MOTC for record through CAA and surrender the original foreign air freight forwarder branch office license within 30 days after the termination. CAA shall issue a public notice to revoke the license if the foreign air freight forwarder fails to surrender the license by the end of the said 30-day period.
中文原文 航空貨運承攬業管理規則第28-1條
外籍航空貨運承攬業分公司結束營業,應先報請民用航空局轉報交通部備查,並自結束營業之日起三十日內,將原領外籍航空貨運承攬業分公司許可證繳還;屆期未繳還者,由民用航空局逕行公告註銷。

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