The Illinois Department of Revenue (IDOR) sends letters and notices to request additional information and support for information you report on your tax return. The State Treasurer is holding more than 5 billion dollars in unclaimed funds for Illinoisans.The State Treasurer is holding 2.5 billion dollars in unclaimed funds for Illinoisans. The State holds these lost funds until they are claimed. The Instructions for Cash and Securities Form has been changed, please review the new PDF found here: IL_Reporting_Instructions.pdf. I owe money but then no where to pay it? The checks are part of Illinois' "Enhanced Money Match" program that automatically sends unclaimed money to people in the state. Use the Application for Benefits Eligibility (ABE) to apply for SNAP, cash or medical assistance - online, anytime. We will work to return unclaimed property no matter how long it takes.