Regulations Governing the Work Permit for Attorneys to Employ Foreigners as Assistants or Consultants Article 16

If the foreign employee has been unexplainably absent from work, without contacting employer for three consecutive days, or if the employment has been terminated, the attorney should notify the Ministry of Justice, the Ministry of Labor, and the local police authority in writing within three days.
中文原文 律師聘僱外國人從事助理或顧問工作許可及管理辦法第16條
受聘僱之外國人有連續曠職三日失去聯繫或聘僱關係終止之情事,律師應於三日內以書面通知法務部、勞動部及當地警察機關。

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