Regulations of Governing Electric Appliance Contractors Article 23

When a Contractor reports completion of an electrical engineering project to a electricity enterprise for power supply, it shall attach a certificate of completion-reporting membership issued by the Association.
中文原文 電器承裝業管理規則第23條
承裝業承攬之電氣工程向電業申報竣工供電時,應檢附公會核發之申報竣工會員證明單。

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