Regulations Governing Private Aircraft Activities Article 6

When changing or increasing aircrafts, the operator of private activities shall submit the documents prescribed in Items 1 to 5 of Paragraph 1 of Article 2 to CAA for MOTC approval to begin preparatory operations. The operator shall then conduct the preparatory operations according to provisions in Article 3 and Article 4.Before changing aircraft home base, the operator of private aircraft activities shall obtain a letter of agreement from the provider of the facilities and apply to CAA for permission.
中文原文 自用航空器飛航活動管理規則第6條
從事自用航空器飛航活動者,變更或新增航空器,應檢附第二條第一項第一款至第五款文件,申請民航局核轉交通部核准籌辦,並於核准籌辦期間內依第三條及第四條之規定辦理。
從事自用航空器飛航活動者之航空器所停駐之場所有變更時,應取得提供者之同意書並報請民航局核准後,始得辦理。

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