Synopsis As Introduced Provides that no law enforcement agency under the jurisdiction of the State of Illinois, including but not limited to the Illinois State Police, Illinois Conservation Police, and the Secretary of State Police, may detain or continue to detain an individual solely on the basis of an immigration detainer or administrative immigration warrant or otherwise comply with an immigration detainer or administrative immigration warrant, including communicating an individual's release information or contact information, after that individual becomes eligible for release from custody. Provides that no law enforcement agency under the jurisdiction of the State of Illinois, including but not limited to the Illinois State Police, Illinois Conservation Police, and the Secretary of State Police, shall stop, arrest, search, detain, or continue to detain a person solely based on an individual's citizenship or immigration status or on an administrative immigration warrant entered into the Federal Bureau of Investigation's National Crime Information Center database. Contains provisions regarding: training; certain educational, rehabilitative, or diversionary programs; and the authority of State of Illinois law enforcement officials or law enforcement agencies. Contains a severability provision. Effective upon filing with the Secretary of State.