405 ILCS 5/3-810

Before disposition is determined, the facility director or such other person as the court may direct shall prepare a written report including information on the appropriateness and availability of alternative treatment settings, a social investigation of the respondent, a preliminary treatment plan, and any other information which the court may order. The treatment plan shall describe the respondent's problems and needs, the treatment goals, the proposed treatment methods, and a projected timetable for their attainment. If the respondent is found subject to involuntary admission on an inpatient or outpatient basis, the court shall consider the report in determining an appropriate disposition.