Employment Service Act Article 79

The provisions of the Act regarding foreign workers shall be applicable to the employment of stateless persons as well as nationals of the Republic of China who also possess the nationality of foreign country(s) but with no permanent residence in the Republic of China.
中文原文 就業服務法第79條
無國籍人、中華民國國民兼具外國國籍而未在國內設籍者,其受聘僱從事工作,依本法有關外國人之規定辦理。

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