Code of Professional Responsibility and Accountability (CPRA)
Section 9. Duty to call client to rectify fraudulent act. - A lawyer who receives information that a client has, in the course of the representation, perpetrated a fraud in relation to any matter subject of the representation before a court, tribunal, or other government agency, or against any officer thereof, shall promptly call upon the client to rectify the same. Such fraudulent act on the part of the client shall be a ground for the termination by the lawyer of the engagement.