This report is created twice a year, usually in January as a PRELIMINARY reporting and then in August for a FINAL reporting.
ILLINOIS DEPARTMENT OF REVENUE
Illinois Individual Income Tax Returns with Retirement Subtraction: Tax Year - 2009 – PRELIMINARY
"Source: Preliminary 1040 IIT Return File Dated Jan, 2011"
Report ID: TDWR-IITEOY-017
Data Source: 2009
Report Date: 05/27/2011 11:32:41 AM