Employment Regulations for Professional Technicians Teaching at Universities Article 3

The professional technicians shall be classified into four levels in accordance with the teacher ranks: Professor Level, Associate Professor Level, Assistant Professor Level, and Lecturer Level.
中文原文 大學聘任專業技術人員擔任教學辦法第3條
專業技術人員比照教師職務等級,分教授級、副教授級、助理教授級及講師級四級。

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