Listing of Records Maintained

The following is a listing of records maintained by the Department of Revenue. Some of the records maintained by this office are considered to be of a confidential nature and therefore not available under the provisions of the Illinois Freedom of Information Act.

Charitable Gaming, Income Tax, Sales & Excise Taxes

  • Accounts receivable
  • Application forms
  • Billings
  • Blank forms (i.e., returns, claims)
  • Bulletins to taxpayers
  • Charts
  • Completed forms (i.e., returns, claims)
  • Correspondence
  • Error notices
  • Internal discrepancy reports
  • Procedures
  • Production reports
  • Statistical reports
  • Tax distribution reports

Legal

  • Case files
  • Correspondence files
  • Court case docket books and files
  • Department rules historical files
  • Files containing names of non-for-profit organizations which have been rules taxable or exempt as purchasers
  • Index letter rulings books
  • Index of synopses of letter rulings issued by the Department's Legal Division
  • Legislative historical files
  • Management reports
  • Municipal/County ordinance files
  • Statistical reports
  • Subject files prior to Sunshine Act
  • Wage garnishment files

Property Tax

  • Abstracts of assessments and property tax billings and collections and any record pertaining to litigation available
  • *Illinois Property Tax Manual ($5.00)
  • *Illinois Real Property Appraisal Manual ($ 50.00)
  • *Illinois Tax Mapping Manual ($5.00)
  • *Revenue Act of 1939 and Related Legislation
  • Annual overlap files for apportioning overlapping taxing districts
  • Appraisal Manual and Update
  • Certification of capitol stock assessment records, publication of assessments, and any records pertaining to litigation available
  • Charts, graphs, reports, statistics on all property tax data available
  • CIAO Master file status report
  • Computer printouts showing tax rates, EAV, levies, and extensions for all taxing districts in the state
  • Farmland files, maps, abstracts, reviews and manuals
  • Letters to Supervisors of Assessments informing them of our audit findings of non-homestead exemption audit
  • Mailing list system (Township Clerks, County Board Chairmen, St. Clair County Board of Assessments, Cook County Assessor, State's Attorneys, County Recorders, County Board of Review Chairmen, County Sheriff's, Township Assessors, Township Supervisors, Railroads)
  • Pollution Control certification and forms
  • Property Tax Systems Book
  • Railroad returns and assessment and financial information
  • Records of private car line certification and publication of assessments
  • Reports to county treasurers of Personal Property Tax audit findings
  • S/A Salaries
  • Sales ratio statistical reports
  • Study lists and material for potential and present assessment officials
  • Tax returns for all certified control facilities and railroads operating in Illinois
  • Tentative and final multiplier files

Document Not Otherwise Classified

  • Annual Report
  • Brochures
  • Informational Bulletins for various taxes
  • Press Releases
  • Research Reports