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: RETIREMENT SUBTRACTION : TAX YEAR 2009 - PRELIMINARY
"Source: Preliminary 1040 IIT Return File Dated Jan, 2011
Report ID: TDWR-IITEOY-014
Data Source: 2009
Report Date: 05/27/2011 11:31:30 AM