If the chief officer of a facility in which a service recipient is hospitalized or admitted is of the opinion that the service recipient is unable to exercise any of the rights afforded by this chapter and chapter 3 of this title, the chief officer shall notify immediately the service recipient and the service recipient's attorney, parent, legal custodian, spouse or other nearest known adult relative of the fact, and the chief officer may file for the appointment of a conservator and shall notify those persons as to whether the chief officer intends to do so.