Regulations of Governing Electric Appliance Contractors Article 20

A Contractor shall, in accordance with notice from the central competent authority, designate its personnel employed pursuant to Articles 5 through 8 to attend technical standards training or seminars; where such training or seminar is failed, the central competent authority may notify the Contractor again to have such personnel attend training or seminars.The notification prescribed in the preceding paragraph shall be submitted by registered mail.
中文原文 電器承裝業管理規則第20條
承裝業應依照中央主管機關通知,指派其依第五條至第八條僱用之人員參加技術規範訓練或講習;訓練或講習不合格者,中央主管機關得再通知其參加訓練或講習。
前項通知應以掛號方式為之。

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