Imposes safety and disclosure obligations on operators of AI companion systems in Illinois. Operators may not operate or provide an AI companion unless it contains a protocol to detect and address suicidal ideation or self-harm expressions, including referral to crisis services such as the 988 Suicide and Crisis Lifeline. Operators must unconditionally disclose to users that they are not communicating with a human at the start of every interaction and at least every three hours during continuing interactions. Enforcement is exclusively through the Attorney General, who may seek injunctive relief and civil penalties of up to $15,000 per day of violation. Penalties are deposited into the Statewide 9-8-8 Trust Fund. Effective January 1, 2027.