The Banking Act of The Republic of China Article 27

The establishment of overseas branches by a bank shall obtain the approval of the central competent authority after consultation with the Central Bank of the Republic of China.
中文原文 銀行法第27條
銀行在國外設立分支機構,應由中央主管機關洽商中央銀行後核准辦理。

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