Tax Collection and Enforcement
Publications & Reports
Tax Application and Affidavit Forms
List of forms, applications, and affidavits that are used to correspond with the Tax Division.
List of Chicago Business Tax Returns
Use this link to find all business tax returns that are filed with the Department of Finance.
Tax Rulings
A list of all tax rulings and regulations published by the Department of Finance based on Chicago ordinances.
Information Bulletins
A list of all Information Bulletins published by the Department to help clarify existing tax ordinances.