The Enforcement Rules of the Immigration Act Article 17

The term “diplomats who are posted in the State, their dependents and entourages” as stated in Subparagraph 1 of Paragraph 1 of Article 27 of the Act refers to those who obtained diplomatic ID cards or the ID cards for private servants of the heads of diplomatic/foreign missions from the Ministry of Foreign Affairs.The term “officials who perform the official duties of a foreign or international organization set up in the State, their dependents and entourages” as stated in Subparagraph 2 of Paragraph 1 of Article 27 of the Act refers to those who obtain ID cards for officials of foreign missions, ID cards for officials of international organizations, and ID cards for private servants of the heads of foreign missions/ international organizations from the Ministry of Foreign Affairs.
中文原文 入出國及移民法施行細則第17條
本法第二十七條第一項第一款所稱外交人員及其眷屬、隨從人員,指經外交部發給外交官員證、使領館外籍隨從證之人員。
本法第二十七條第一項第二款所稱外國機構、國際機構執行公務者及其眷屬、隨從人員,指經外交部發給外國機構官員證、國際機構官員證、外國機構外籍隨從證、國際機構外籍隨從證之人員。

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