The Export-import Bank of the Republic of China (Taiwan) Act Article 3

The head office of the Bank shall be situated in the place where the R.O.C Central Government is located. The Bank may establish branch offices whenever necessary.
中文原文 中國輸出入銀行條例第3條
本行總行設於中華民國中央政府所在地,必要時得設分支機構。

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