Ill. Admin. Code tit. 77, § 370.710
a) Sufficient staff in numbers and qualifications shall be on duty all hours of each day to provide services that meet the total needs of the residents. As a minimum, there shall be at least one (1) staff member awake dressed and on duty at all times on the day and evening shifts.
b) The number and classification of personnel to be provided, including staff for the social and vocational training programs of the facility, shall be based on the following, developed in consultation with the Illinois Department of Mental Health and Developmental Disabilities:
4) guidelines specified in Appendix A.
The Department of Mental Health and Developmental Disabilities as it evaluates social and vocational programs will examine staffing patterns and accomplishments and will report its findings to the Department.