You can be a part of the legislative process in Illinois by filing a witness slip. Witness slips are a tool for individuals or organizations to create a public record of their stance on a bill and help legislators gauge the public’s opinion on the potential legislation. This page provides instructions on how to file a witness slip
Instructions as a PDF file provided by the American Civil Liberties Union (ACLU)
How to file an_illinois_witness_slip.pdf
The League of Women Voters of Illinois has produced this 4-minute video with instructions also.