Article 41 Withdrawal of witnesses

During a trial a witness as to fact other than the accused or an expert witness shall not, except by leave of the court, be in court while not under examination, and if while he is under examination a question arises as to the admissibility of a question or otherwise with regard to the evidence, the court may direct the witness to withdraw during such discussion.

Expert and character witnesses shall be allowed to remain in court throughout the proceedings unless the president considers this to be undesirable.