The bureau shall adopt, by regulation, a Professional Fiduciaries Code of Ethics. The Professional Fiduciaries Code of Ethics shall be consistent with all statutory requirements, as well as requirements developed by the courts and the Judicial Council. The Professional Fiduciaries Code of Ethics shall be provided electronically on the bureau’s Internet Web site and to persons who request an application for licensure. The bureau may, by regulation, amend the Professional Fiduciaries Code of Ethics from time to time, as it deems necessary, provided that no amendment shall be effective with regard to a licensee until the licensee’s next annual license renewal cycle, as specified in subdivision (a) of Section 6541, is completed. Any amendment to the Professional Fiduciaries Code of Ethics shall be included in the license renewal materials sent to a licensee.