Natural Gas Enterprise Act Article 2

The competent authorities stated in the Act are the Ministry of Economic Affairs at the central level, municipal governments at the municipal level, and county (city) governments at the county (city) level.
中文原文 天然氣事業法第2條
本法所稱主管機關:在中央為經濟部;在直轄市為直轄市政府;在縣(市)為縣(市)政府。

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