Ill. Admin. Code tit. 77, § 657.40
The Department of Public Health will keep all records confidential pursuant to federal law, Part 21 of Article VIII of the Code of Civil Procedure [735 ILCS 5/Art. VIII, Part 21], and Section 5 of the Illinois Health Statistics Act [410 ILCS 520/5].
(Source: Amended at 25 Ill. Reg. 16491, effective January 1, 2002)