405 ILCS 5/5-104
The Department may prescribe and publish rules and regulations to carry out the purposes of this Act and to enforce the provisions this Act and may alter, amend and supplement such rules and regulations relating to this Act; but any person affected adversely by any order or ruling of the Department is entitled to review as provided in Section 6-100 of this Act. Pending final decision on such review, the acts, orders and rulings of the Department shall remain in full force and effect unless modified or suspended by order of court pending final judicial decision thereof.
The provisions of the Illinois Administrative Procedure Act are hereby expressly adopted and shall apply to all administrative rules and procedures of the Department under this Act, except that in case of conflict between the Illinois Administrative Procedure Act and this Act the provisions of this Act shall control, and except that Section 5-35 of the Illinois Administrative Procedure Act relating to procedures for rule-making does not apply to the adoption of any rule required by federal law in connection with which the Department is precluded by law from exercising any discretion.
As part of such rules and regulations, the Department shall require that any State operated facility and any community agency, whether public or private, which provides mental health or developmental disabilities services to any person shall, with respect to such person, use a uniform case opening form approved by the Department. The form shall require that such person's Social Security number be obtained and stated among other information requested. The facility or agency may assign a case number to each recipient of its services, and that number shall be provided to the Department on any reports requested by the Department.
405 ILCS 5/5-104