Ill. Admin. Code tit. 77, § 1235.40
The Health Care Worker Self-Referral Act applies to referrals for health services made on or after January 1, 1993. However, if a health care worker acquired an investment interest before July 1, 1992, the Act shall not apply to referrals made for health services before January 1, 1996. [225 ILCS 47/10]
(Source: Amended at 41 Ill. Reg. 15310, effective December 5, 2017)