Labor Standards Act Article 18

In any of the following situations, a worker shall not claim from the employer either additional wages for the advance notice period or severance pay:1. A labor contract is terminated pursuant to Article 12 or 15.2. The worker leaves his/her service upon expiration of a fixed term contract.
中文原文 勞動基準法第18條
有左列情形之一者,勞工不得向雇主請求加發預告期間工資及資遣費:
一、依第十二條或第十五條規定終止勞動契約者。
二、定期勞動契約期滿離職者。

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