Natural Gas Enterprise Act Article 18

When a user applies for natural gas supply from a natural gas utility enterprise, the enterprise shall inspect the conduit pipe among the meters and user’s devices and ensure safety before providing gas supply.Natural gas utility enterprises shall stipulate the methods and procedures for the inspection stated in the preceding paragraph, including inspection items, inspection methods, inspection criteria, and other relevant matters. These methods and procedures shall be submitted to the competent authority of the municipality or county (city), which shall subsequently forward them to the central competent authority for reference. Any revisions to these methods and procedures shall also follow the same process.
中文原文 天然氣事業法第18條
公用天然氣事業於用戶申請供氣時,應檢查天然氣計量表以內之管線,確定安全無虞後,始得供氣。
公用天然氣事業應訂定前項檢查之方式及程序,包括檢驗項目、檢驗方法、採行基準及其他相關事項,並報經直轄市、縣(市)主管機關轉請中央主管機關備查;修正時,亦同。

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