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Scam Alert: Fake Texts and Websites Impersonating IDOR

Be alert for fraudulent messages or websites attempting to steal your banking information, login credentials, or credit card details. The Illinois Department of Revenue (IDOR) will never request personal or financial information via text message. To confirm official communications or contact details, always visit https://tax.illinois.gov.

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Annual Sales Tax Jurisdiction Boundary Verification Map

On or before February 1st of each year, LTAD will make its local taxing jurisdiction boundaries available, which requires annual review for accuracy by local governments. Local governments have the option of providing their boundary file which IDOR will overlay onto its maps to make any necessary corrections. Alternatively, IDOR can provide shape files to local governments which can then be used to determine if any boundary changes are needed.

Local governments may report corrections or request/provide a boundary file using the contact information below. Please note: Changes must be reported by April 1st each year.  All changes will take effect July 1st of the same year. Any updates not reported by April 1st, other than boundary changes made by local ordinances, such as annexations or disconnections, will not be made until July 1st of the following year.

• Email REV.GIS.Tech@illinois.gov

• Mail   

Illinois Department of Revenue

C/O GIS Department MC 1-140

101 W. Jefferson St

Springfield, IL 62702-5145

Also, email REV.GIS.Tech@illinois.gov if the boundaries have been reviewed and no changes are needed.

See FY2022-10, Local Government Requirements for Sales Tax Jurisdiction Boundary Verification for additional information.

For help navigating the map, see the Sales Tax Jurisdiction Boundary Verification Map Help Document.

Sales Tax Jurisdiction Boundary Verification Map