Act Governing Relations between the People of the Taiwan Area and the Mainland Area Article 14

For any of the people of the Mainland Area permitted to work by employment in the Taiwan Area violating any provision of this Act or any other laws and regulations, the competent authorities may revoke or annul the permission.Any of the people of the Mainland Area whose permissions have been revoked or annulled in accordance with the preceding paragraph shall be ordered to leave the Taiwan Area within a specified time limit and in case of failing to leave by the expiration of the aforementioned time limit, shall be deported in accordance with the provisions of Article 18.The provisions of the preceding paragraph shall apply where a labor contract is suspended or terminated.
中文原文 臺灣地區與大陸地區人民關係條例第14條
經許可受僱在臺灣地區工作之大陸地區人民,違反本條例或其他法令之規定者,主管機關得撤銷或廢止其許可。
前項經撤銷或廢止許可之大陸地區人民,應限期離境,逾期不離境者,依第十八條規定強制其出境。
前項規定,於中止或終止勞動契約時,適用之。

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