Civil Aviation Act Article 117

A private air field operator or manager shall be subject to a fine from NT$300,000 to NT$1,500,000 for any one of the following:1) Concurrent use of airfield for other purposes without permission.2) Abolition of airfield, putting it to lease or rent, without permission.3) Collection of airfield charges not conforming to regulations.4) Failure to comply with the rules in managing navigation aids facilities.
中文原文 民用航空法第117條
有左列情事之一者,處民營飛行場經營人或管理人新臺幣三十萬元以上一百五十萬元以下罰鍰︰一、未經許可,將飛行場兼供他用者。
二、未經許可,將飛行場廢止、讓與或出租者。
三、飛行場收取費用不依規定者。
四、未依規定管理其助航設備者。

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