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Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

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
  • Property tax cost schedule publications
  • Annual overlap files for apportioning overlapping taxing districts
  • Certification of capitol stock assessment records, publication of assessments, and any records pertaining to litigation available.
  • Reports and statistics on available property tax data
  • CIAO status by county or zip code
  • Spreadsheets showing tax rates, EAV, levies, and extensions for all taxing districts in the state
  • Farmland files, maps, abstracts, reviews and manuals
  • Mailing list system (St. Clair County Board of Assessments, Cook County Assessor, State's Attorneys, County Recorders, County Sheriffs)
  • Pollution Control certification and forms
  • Property Tax Systems Publication
  • Railroad returns and assessment and financial information
  • S/A Salaries
  • Sales ratio statistical reports
  • Study lists and material for potential and present assessment officials
  • Tax returns for all certified pollution 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