Supreme Court hears arguments over property tax exemption law May 23, 2018 | HNI Stories, Legislature, Top Stories The Illinois Supreme Court heard oral arguments Tuesday over the constitutionality of a 2012 law that sets standards for property tax exemptions for state hospitals.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.