Professional Engineers Act Article 2

The competent authorities in charge of professional engineers are the Public Construction Commission, Executive Yuan at the central government level, the municipal government at the municipal level, and county (city) government at the county (city) level.
中文原文 技師法第2條
技師之主管機關:在中央為行政院公共工程委員會;在直轄市為直轄市政府;在縣(巿)為縣(巿)政府。

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