AUTHORITY: Implementing and authorized by Sections 16 and 19 of the Workers' Compensation Act [820 ILCS 305/16 and 19].
SOURCE: Filed and effective March 1, 1977; amended at 2 Ill. Reg. 49, p. 244, effective December 7, 1978; amended at 3 Ill. Reg. 4, p. 13, effective January 21, 1979; amended at 4 Ill. Reg. 26, p. 59, effective July 1, 1980; emergency amendment at 4 Ill. Reg. 41, p. 171, effective September 25, 1980, for a maximum of 150 days; amended at 5 Ill. Reg. 5530, effective May 12, 1981; emergency amendment at 6 Ill. Reg. 5820, effective May 1, 1982, for a maximum of 150 days; amended at 6 Ill. Reg. 8040, effective July 1, 1982; amended at 6 Ill. Reg. 11909, effective September 20, 1982; codified at 7 Ill. Reg. 2345; emergency amendment 8 Ill. Reg. 5986, effective August 16, 1984, for a maximum of 150 days; amended at 9 Ill. Reg. 16238, effective October 15, 1985; emergency amendment at 9 Ill. Reg. 19129, effective November 20, 1985, for a maximum of 150 days; amended at 10 Ill. Reg. 8096, effective May 5, 1986; amended at 15 Ill. Reg. 8221, effective May 17, 1991; amended at 17 Ill. Reg. 2206, effective February 16, 1993; amended at 20 Ill. Reg. 3842, effective February 15, 1996; recodified from 50 Ill. Adm. Code 7020 to 50 Ill. Adm. Code 9020 at 39 Ill. Reg. 9603; amended at 40 Ill. Reg. 15709, effective November 9, 2016; amended at 47 Ill. Reg. 6149, effective April 13, 2023.