Tax Research

The following research reports completed by the Department may be of interest to policy makers and the general public:

• Illinois Corporate Franchise Tax (03/21/2014)
  • State Comparisons (03/21/2014)
• Illinois Tax Data and State Comparisons (02/05/2014)
• FY2015 Revenue Estimates - A special report prepared for the Joint Committee of the House Revenue and Finance Committee and State Government Administration Committee (02/04/2014)
• Illinois Business Tax Incentives (02/11 Supplement)
• Monthly Revenue Reports
• Smoking Ban and Illinois Casinos
• Tax Increment Financing Reform Task Force

The Legislative Research Unit produces The Illinois Tax Handbook for Legislators. This handbook contains information on Illinois state taxes collected by the Department of Revenue and other state agencies.