Regulation on Foreign In-service Policemen’s Studying Police Administration in R.O.C Article 4

The “formal students” mentioned in the above article refers to those who will be granted with the graduation certificates after obtaining the specified credits according to the academic system of the Schools, and the “special students” refers to those who take the courses of the Schools as selective and will be granted with completion certificates upon expiration of the study period.
中文原文 外國現職警察人員來華研習警政辦法第4條
前條所稱正式生,係指配合各校學制,修滿規定學分後,發給畢業證書之學生;所稱特別生,係指選修各校課程,研習期滿後,發給結業證明書之學生。

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