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Research
The Research branch of the Illinois Department of Revenue archive consists of 3 main categories: Legal Research, Tax Statistics, and Dated Publications.
Legal Research
Tax Statistics
- Annual Reports (prior years)
- Annual Unified Economic Development Budget Memos (prior years)
- Cannabis Regulation Fund
- Collections (Daily) from Major Revenue Sources
- Collections (Monthly) Remitted to the State Comptroller
- Excise Taxes
- Individual Income Tax Stratifications
- Local Government and Property Tax Statistics
- Sales Tax Statistics
Dated Publications
- Compliance Alerts Archive
- CPI Memo Archive - Memos providing the Consumer Price Index inflation percentage to use in computing extensions under the Property Tax Extension Limitation Law (PTELL) for prior years
- Informational Bulletin Archive
- Local Government Newsletter Archive
- News Archive
- Pub-111 Comparison Formulas for Schedule CR for prior years
- ST-58 - Reciprocal/Non-Reciprocal Vehicle Tax Rate Charts for prior years