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.
中文原文 性侵害犯罪防治法第24條
偵查或審判時,檢察官或法院得依職權或依聲請指定或選任相關領域之專家證人,提供專業意見。
其經傳喚到庭陳述之意見,得為證據,並準用刑事訴訟法第一百六十三條至第一百七十一條、第一百七十五條及第一百九十九條規定。

English translation for reference only; the Chinese text prevails. Not legal advice.