If the court determines that there is no form of medical treatment for which the conservatee has the capacity to give an informed consent, the court shall (1) adjudge that the conservatee lacks the capacity to give informed consent for medical treatment and (2) by order give the conservator of the person the powers specified in Section 2355. If an order is made under this section, the letters shall include a statement that the conservator has the powers specified in Section 2355.