Probate Code – PROB § 4232

(a) An attorney-in-fact has a duty to act solely in the interest of the principal and to avoid conflicts of interest.

(b) An attorney-in-fact is not in violation of the duty provided in subdivision (a) solely because the attorney-in-fact also benefits from acting for the principal, has conflicting interests in relation to the property, care, or affairs of the principal, or acts in an inconsistent manner regarding the respective interests of the principal and the attorney-in-fact.