Section 5-203. [Objection by Minor Fourteen or Older to Parental Appointment.] Except where the court has previously confirmed a nominee under section 5-202(c), (i) a minor 14 or more years of age who is the subject of a parental appointment, (ii) the other parent, if that parent???s parental rights have not been terminated, or (iii) a person other than a parent having care or custody of the minor