PART VIII
COURT ACTIVITIES
CHAPTER THIRTY TWO
COMMENCING JUDICIAL SESSION
Article 257. Removing Witnesses From Courtroom
257.1. Witness shall be removed from the courtroom until his/her testimony is heard.
257.2. The chair of the session shall take measures so that witnesses who have given testimony to the judicial session do not communicate with witnesses who have not given testimony.
Procedure for witness testimony - national proceedings
EDIT.