Tax Practitioners

Update

MyTax Illinois - (Free online account management program - register a new business, file returns, and make payments for most return types. MyTax account access authorization required.)
Approved Tax Preparation Software

Note: The Illinois Department of Revenue does not require third party software vendors to support all forms in their software product. Software vendors are allowed to develop their tax preparation software based on the needs of their clients. Check each product or service for details on services and associated costs.
- Business Income Tax
- Cigarette, Liquor, Telecom. & Tobacco Taxes
- Sales and Use Taxes - (ST-1 and ST-2)
- Vehicle, Watercraft, Aircraft Trailer, and Mobile Home Electronic Registration and Title Program - (ST-556 and ST-556-LSE)
- Withholding Income Tax - (IL-941)
Unemployment Insurance Tax and Wage Reports - (UI-3/40 - MyTax Illinois - Illinois Department of Employment Security)
Electronic W-2 and 1099 Programs