Natural Gas Enterprise Act Article 64

In accordance with Articles 55 and 59 to 61, if the gas supply license of a natural gas utility enterprise is abolished, the licensee shall be returned for cancellation. Failure to return the license for cancellation will result in direct cancellation by the central competent authority.
中文原文 天然氣事業法第64條
依第五十五條及第五十九條至第六十一條規定,廢止公用天然氣事業供氣營業執照者,並應通知其繳銷供氣營業執照;未繳銷者,由中央主管機關逕為註銷。

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