Code of Civil Procedure Article 338

An expert witness may claim reasonable compensation in addition to the prescribed daily fees and travel expenses.Upon the request of the expert witness, the expenses needed for giving expert testimony may be paid in advance.
中文原文 民事訴訟法第338條
鑑定人於法定之日費、旅費外,得請求相當之報酬。
鑑定所需費用,得依鑑定人之請求預行酌給之。

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