General Information
Illinois Department of Revenue Home Page

Taxpayer Services Telephone:
(800) 732-8866


Business Hotline:
(217) 524-4772


Taxpayer Services E-Mail

Mailing Address:
Illinois Department of Revenue
Springfield, IL 19041


Register for Sales/Use Tax Online

File Your Sales/Use Tax Return Online

Verify a Registered Business Online

Frequently Asked Questions

Illinois Statutes

Illinois Regulations

Sales/Use Tax Letter Rulings

Sales/Use Tax Administrative Hearings

Sales/Use Tax Publications

General State Sales/Use Tax Rate: 6.25%

General Local Sales/Use Tax Rate: Varies

Use The IL Tax Rate Finder
Forms
Sales and Use Tax Forms Home Page

Sales and Use Tax Return
Form ST-1
(only available directly from the State)


Sales and Use Tax Return Instructions

Amended Sales and Use Tax Return
Form ST-1-X
            Instructions

Certificate of Resale
Form CRT-61


Certificate of Purchase for Expanded Temporary Storage
Form CRT-62


Equipment Exemption Certificate
Form ST-587


Business Registration Application
Form REG-1


Power of Attorney
Form IL-2848


Miscellaneous
General Sale/Use Tax Information

Retailer's Sales/Use Tax Information

Sales Tax Exemption Information

Tax Credits and Incentives Information

Current Interest Rates

General Sales/Use Tax Information from University of Illinois
Directory of State Agencies

Directory of State Employees

Directory of County and City Websites

Local Ordinance Links


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