AUTHORITY: Implementing and authorized by Articles 1 and 16 of the Illinois Pension Code [40 ILCS 5]; Freedom of Information Act [5 ILCS 140]; Internal Revenue Code (26 U.S.C. 1 et seq.); Section 5-15 of the Illinois Administrative Procedure Act [5 ILCS 100].
SOURCE: Filed June 20, 1958; emergency rules adopted at 2 Ill. Reg. 49, p. 249, effective November 29, 1978, for a maximum of 150 days; adopted at 3 Ill. Reg. 9, p. 1, effective March 3, 1979; codified at 8 Ill. Reg. 16350; amended at 9 Ill. Reg. 20885, effective December 17, 1985; amended at 12 Ill. Reg. 16896, effective October 3, 1988; amended at 14 Ill. Reg. 18305, effective October 29, 1990; amended at 15 Ill. Reg. 16731, effective November 5, 1991; amended at 17 Ill. Reg. 1631, effective January 22, 1993; amended at 18 Ill. Reg. 6349, effective April 15, 1994; emergency amendment at 18 Ill. Reg. 8949, effective May 24, 1994, for a maximum of 150 days; emergency modified at 18 Ill. Reg. 12880; amended at 18 Ill. Reg. 15154, effective September 27, 1994; amended at 20 Ill. Reg. 3118, effective February 5, 1996; emergency amendment at 21 Ill. Reg. 483, effective January 1, 1997, for a maximum of 150 days; amended at 21 Ill. Reg. 2422, effective January 31, 1997; amended at 21 Ill. Reg. 4844, effective March 27, 1997; emergency amendment at 21 Ill. Reg. 17159, effective December 9, 1997, for a maximum of 150 days; amended at 22 Ill. Reg. 7243, effective April 9, 1998; emergency amendment at 22 Ill. Reg. 7314, effective April 9, 1998, for a maximum of 150 days; emergency amendment at 22 Ill. Reg. 9374, effective May 14, 1998, for a maximum of 150 days; emergency rule modified in response to JCAR Objection at 22 Ill. Reg. 11640; emergency amendment at 22 Ill. Reg. 13151, effective June 29, 1998, for a maximum of 150 days; amended at 22 Ill. Reg. 15620, effective August 17, 1998; amended at 22 Ill. Reg. 19079, effective October 1, 1998; amended at 22 Ill. Reg. 22090, effective December 1, 1998; amended at 23 Ill. Reg. 3079, effective February 23, 1999; amended at 24 Ill. Reg. 2440, effective January 27, 2000; amended at 24 Ill. Reg. 10300, effective June 26, 2000; amended at 25 Ill. Reg. 203, effective December 22, 2000; amended at 26 Ill. Reg. 2758, effective February 11, 2002; amended at 26 Ill. Reg. 11476, effective July 11, 2002; amended at 27 Ill. Reg. 1668, effective January 17, 2003; amended at 27 Ill. Reg. 9209, effective May 28, 2003; amended at 28 Ill. Reg. 10055, effective June 29, 2004; amended at 29 Ill. Reg. 1546, effective January 14, 2005; amended at 29 Ill. Reg. 13244, effective August 9, 2005; amended at 30 Ill. Reg. 194, effective December 23, 2005; amended at 30 Ill. Reg. 472, effective December 21, 2005; amended at 30 Ill. Reg. 11728, effective June 23, 2006; amended at 30 Ill. Reg. 17525, effective October 18, 2006; amended at 31 Ill. Reg. 10688, effective July 13, 2007; amended at 32 Ill. Reg. 4073, effective February 28, 2008; amended at 32 Ill. Reg. 7979, effective May 6, 2008; amended at 32 Ill. Reg. 13534, effective August 6, 2008; amended at 33 Ill. Reg. 4401, effective March 3, 2009; amended at 33 Ill. Reg. 15863, effective November 2, 2009; amended at 34 Ill. Reg. 4900, effective March 22, 2010; amended at 34 Ill. Reg. 7787, effective May 21, 2010; amended at 35 Ill. Reg. 2413, effective January 21, 2011; amended at 35 Ill. Reg. 2788, effective January 25, 2011; amended at 35 Ill. Reg. 3781, effective February 18, 2011; amended at 35 Ill. Reg. 19541, effective November 18, 2011; amended at 36 Ill. Reg. 7688, effective May 4, 2012; amended at 36 Ill. Reg. 18914, effective December 14, 2012; amended at 37 Ill. Reg. 5150, effective April 4, 2013; amended at 38 Ill. Reg. 21239, effective October 21, 2014; amended at 39 Ill. Reg. 5259, effective March 20, 2015; amended at 39 Ill. Reg. 14989, effective October 30, 2015; amended at 40 Ill. Reg. 14099, effective September 28, 2016; amended at 41 Ill. Reg. 718, effective January 11, 2017; amended at 41 Ill. Reg. 14256, effective November 8, 2017; amended at 42 Ill. Reg. 13666, effective June 29, 2018; amended at 42 Ill. Reg. 22238, effective November 20, 2018; amended at 43 Ill. Reg. 5115, effective April 22, 2019; amended at 43 Ill. Reg. 10791, effective September 23, 2019; amended at 44 Ill. Reg. 7905, effective April 24, 2020; amended at 47 Ill. Reg. 9473, effective June 22, 2023; amended at 48 Ill. Reg. 6116, effective April 5, 2024.