AUTHORITY: Authorized by and implementing the Illinois Plumbing License Law [225 ILCS 320].
SOURCE: Adopted at 2 Ill. Reg. 40, p. 1, effective October 1, 1978; codified at 5 Ill. Reg. 10870; Part repealed, new Part adopted at 13 Ill. Reg. 19564, effective December 1, 1989; emergency amendment at 16 Ill. Reg. 12785, effective July 30, 1992, for a maximum of 150 days; amended at 17 Ill. Reg. 417, effective December 28, 1992; recodified at 23 Ill. Reg. 14649; amended at 24 Ill. Reg. 12019, effective August 1, 2000; amended at 38 Ill. Reg. 19715, effective September 23, 2014; amended at 40 Ill. Reg. 8786, effective June 17, 2016; emergency amendment at 44 Ill. Reg. 6120, effective March 31, 2020, for a maximum of 150 days; emergency expired August 27, 2020.