Budget Act Article 66

The central budget accounting and statistics agency may, depending on actual needs, assign its personnel to check the budget implementation status of any government agency from time to time.
中文原文 預算法第66條
中央主計機關對於各機關執行預算之情形,得視事實需要,隨時派員調查之。

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