(6) Issue an order necessary to assure the appearance in the proceeding of a person whose presence is necessary for the court to make a determination, including the respondent or conserved person, subject to the provisions of subsection (e) of section 45a-649 of the general statutes, as amended by this act, subsection (e) of section 45a-650 of the general statutes or subsection (g) of section 45a-