limited dual agency
False. Ethical codes of conduct are voluntarily adopted by certain members of the public that wish to be a part of a professional association. Members of the public do not have the choice of voluntarily adopting the obligations contained in statutes.
Warranty of authority is an agent's promise or guarantee to third parties that his or her actions fall within the scope of authority given by the principal. An agent acting outside of the scope of authority given by the principal breaches the warranty of authority.