Natural Gas Enterprise Act Article 52

When necessary, the central competent authority may request a natural gas enterprise to explain its operational status and may dispatch staff or entrust professionals or institutions to verify the actual operations and relevant data. The enterprise shall not evade, obstruct, or refuse such requests.
中文原文 天然氣事業法第52條
中央主管機關於必要時,得要求天然氣事業說明其業務經營狀況,並得派員或委託專業人士或機構查核其實際營業及相關資料,該事業不得規避、妨礙或拒絕。

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