Employment Service Act Article 57

As for employment of foreign worker(s), employer shall not engage in any of the following:1. Employing a foreign worker without a valid permit, employing after the permit's expiration, or employing a foreign worker already permitted to be employed simultaneously by a third party.2. Employing a foreign worker in the employer's name but in practice having the worker engage in work for a third party.3. Assigning the employed foreign worker to work outside the scope of the work permitted.4. Commanding a foreign worker, without authorization, who is employed for work as defined in Subparagraphs 8 to 10 of Paragraph 1 of Article 46, to change their workplace.5. Fail to arrange health examinations for foreign workers or neglect to submit health examination reports to the competent health authority as required by law.6.Dismiss or lay off national workers as a result of employing foreign workers.7.Coercing, threatening, or using illegal means to force foreign workers to work against their will.8.Illegally withholding foreign workers’ passports or residence certificates, or embezzling their belongings.9. Violating any other provisions of this Act or regulations promulgated pursuant to it, not already specified above.