AUTHORITY: Authorized by and implementing the Illinois Plumbing License Law [225 ILCS 320].
SOURCE: Emergency rules adopted at 24 Ill. Reg. 4224, effective March 1, 2000, for a maximum of 150 days; adopted at 24 Ill. Reg. 11964, effective July 27, 2000; amended at 38 Ill. Reg. 22222, effective November 12, 2014.