National Treasury Act Article 8

Agencies which have no fixed location or are located overseas, other than the regulations set forth in Articles 5 through 7, that matters related to the disbursement, safekeeping and transferring of cash, bills and securities, and the safekeeping of deed documents of properties shall be handled in accordance with the following regulations:1.For agencies with no fixed location, the Central Bank is to commission proper personnel to handle the matters after obtaining the approval from the MOF.2.For agencies located overseas, the Central Bank is to commission the domestic banks located in the oversea locations to handle the matters after obtaining the approval from the MOF; if the location has no domestic bank, the Central Bank may commission other suitable institutions or personnel to handle the matters.
中文原文 國庫法第8條
無固定地點或在國外之機關,除第五條至第七條之規定外,其現金、票據、證券之出納保管、移轉及財產之契據等之保管事務,依左列各款之規定:
一、無固定地點者,由中央銀行洽商財政部同意後,委託適當人員辦理之。
二、在國外者,由中央銀行洽商財政部同意後,委託所在地之本國銀行辦理;其所在地無本國銀行者,得委託其他適當機構或人員辦理之。

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