Code of Civil Procedure Article 318

The presiding judge shall order a witness to state fully and consecutively the matter questioned.A witness may not read aloud documents or make reference to his/her notes in lieu of making oral statements, except in the case where the presiding judge has permitted him/her to do so.
中文原文 民事訴訟法第318條
審判長應命證人就訊問事項之始末,連續陳述。
證人之陳述,不得朗讀文件或用筆記代之。
但經審判長許可者,不在此限。

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