Regulations on the Permission and Administration of the Employment of Foreign Workers Article 20

An employer who has sought to recruit domestic workers in accordance with Paragraph 1, Article 17 but cannot recruit sufficient numbers, can within 15 days of the last advertising day detailed in Paragraph 1, Article 17, submit recruitment advertising materials, a list of employed domestic workers and documents required by the Central Competent Authority, to the public employment services agency in charge of registering the certificate of em-ployment demands.After the public employment services agency reviews and approves an employer as being in compliance with Articles 17 and 19, the agency will issue an employment ad certificate indicating that insufficient number of domestic workers were recruited.
中文原文 雇主聘僱外國人許可及管理辦法第20條
雇主依第十七條第一項規定辦理招募本國勞工,有招募不足者,得於同條第一項所定招募期滿次日起十五日內,檢附刊登求才廣告資料、聘僱國內勞工名冊及中央主管機關規定之文件,向原受理求才登記之公立就業服務機構申請求才證明書。
原受理求才登記之公立就業服務機構,經審核雇主已依第十七條及第十九條規定辦理者,就招募本國勞工不足額之情形,應開具求才證明書。

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