A person who advocates, or with knowledge of its contents knowingly publishes, sells or distributes any document which advocates or with knowledge of its purpose, knowingly becomes a member of any organization which advocates the overthrow or reformation of the existing form of government of this State by violence or unlawful means commits a Class 3 felony.
720 ILCS 5/30-3
Advocating overthrow of Government
P.A. 77-2638.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.