Part II
THE COURSE OF PROCEEDINGS
C. TRIAL AND JUDGMENT
Chapter XXIV
THE TRIAL
2. Conducting the trial
Criminal offence committed at the trial
Article 324
(3) If grounds for suspicion exist that a witness or expert witness has given a false testimony at the trial, he shall not be immediately tried for that offense. In such a case, the President of the Trial Chamber may order a separate record to be drawn up on the statement of the witness or expert witness which shall be delivered to the Public Prosecutor. This record shall also contain remarks of the examined witness i.e. expert witness who shall sign such record, and if they refuse to do so the President of the Trial Chamber shall make an official note on it in the record.
EDIT.