Sexual Assault Crime Prevention Act Article 24
During an investigation or a trial, the prosecution or the court may, sua sponte or upon petition, appoint or choose an expert witness from a relevant professional field to provide his professional opinion. The opinion provided by the aforesaid appointed or chosen expert witness summoned to be present in court may be admitted as evidence for the trial, and Articles 163 to 171, Article 175, and Article 199 of the Code of Criminal Procedure apply mutatis mutandis.