35 Ill. Adm. Code 501.104
Severability
Section 501.104Â Severability
If any provision of this Part is adjudged invalid, or
if the application of this Part to any person or in any circumstance is
adjudged invalid, that invalidity will not affect the validity of this Chapter
as a whole, or of any Part, Subpart, sentence or clause not adjudged invalid.