Immigration Act Article 62

Any person shall not discriminate against people residing in the Taiwan Area on the basis of nationality, race, color, class and place of birth.Any person whose rights are trespassed due to the discrimination mentioned in the preceding Paragraph can file a complaint to the competent authorities on the basis of the situations of the trespass, unless the matter is regulated by other laws otherwise.The competent authorities shall enact regulations that govern items, requirements for filing a complaint mentioned in the preceding Paragraph, complaint procedures and the composition of a review committee.
中文原文 入出國及移民法第62條
任何人不得以國籍、種族、膚色、階級、出生地等因素,對居住於臺灣地區之人民為歧視之行為。
因前項歧視致權利受不法侵害者,除其他法律另有規定者外,得依其受侵害情況,向主管機關申訴。
前項申訴之要件、程序及審議小組之組成等事項,由主管機關定之。

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