Organization Act of the Tourism Bureau, Ministry of Transportation and Communications Article 10

The official letters issued by the Bureau externally shall be in the name of the Ministry of Transportation and Communications, provided that the official letters issued for the purpose of the following matters may be in the name of the Bureau:1. The matters required to be transferred to the Bureau according to the orders of the Ministry of Transportation and Communications.2. The matters required to be supervised and directed by the Bureau according to the regulations prescribed by the orders of the Ministry of Transportation and Communications.3. The matters which have been submitted to the Ministry of Transportation and Communications for approval.
中文原文 交通部觀光局組織條例第10條
本局對外公文,以交通部名義行之。
但關於左列事項,得由局行文:
一、遵照部令應行轉飭事項。
二、依照部令所定辦法,督率進行事項。
三、曾經呈部核准事項。

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