Code of Civil Procedure Article 298
The identity of a witness and the matters to be examined shall be specified when such witness is introduced.Where there are two or more witnesses, they shall be introduced jointly.
中文原文 民事訴訟法第298條
聲明人證，應表明證人及訊問之事項。
證人有二人以上時，應一併聲明之。
證人有二人以上時，應一併聲明之。