Public Debt Act Article 2

The competent authorities for public debt administration shall be the Ministry of Finance (hereinafter referred to as the MOF) at the level of central government; the municipal government at the level of special municipality; the county (or county-level city) government at the level of county (or county-level city); and the township office at the level of township (or township-level city).
中文原文 公共債務法第2條
公共債務之主管機關:在中央為財政部;在直轄市為直轄市政府;在縣(市)為縣(市)政府;在鄉(鎮、市)為鄉(鎮、市)公所。

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