Code of Professional Responsibility and Accountability (CPRA)
Section 10. Conduct in the presentation of a witness. - A lawyer shall avoid all forms of impropriety when presenting or confronting a witness. A lawyer shall not coach, abuse, discriminate against, or harass any witness, in or out of the court, tribunal, or other. government agency, or talk to a witness during a break or recess in the trial, while a witness is still under examination. Neither shall a lawyer direct, assist, or abet any misrepresentation or falsehood by a witness.