Agencies
Services
File a Business Tax Return
File Using MyTax Illinois
MyTax Illinois is a centralized location on our website where taxpayers may register a new business or electronically file tax returns, make payments, and manage their tax accounts.
- File & Pay Use Tax (ST-44) - Should only be used by businesses that are not required to register for sales and use taxes. A taxpayer registered to file Form ST-1 should report any use tax liability on that form rather than Form ST-44.
- File Most Business Tax Forms Using MyTax Illinois
Note: Business Income Tax returns cannot be filed or amended in MyTax Illinois. See the instructions for the applicable tax type for more information on filing your return in MyTax Illinois.
Bulk/Other Filing Methods
Business Income Tax
- Automated/Bulk Filing - (Modernized e-File (MeF) - File and pay - Enrollment required)
- Third Party Tax-Prep Software for Business Income Tax
- File on Paper
Excise/Misc. Taxes
- Automated/Bulk Filing - (Direct file - Enrollment required)
- Third Party Tax-Prep Software for Cigarette, Liquor, Telecom. & Tobacco
- File on Paper
Motor Fuel/IFTA
- IDR-277 - Use Tax Single Trip Permits - (File & Pay)
Sales & Use Taxes
- Automated/Bulk Filing - (ST-1 and ST-2 - File and pay - Enrollment required)
- Third Party Tax-Prep Software for Sales and Use Tax - (ST-1 and ST-2)
- Electronic Registration and Title Program for Motor Vehicles (i.e., cars, motorcycles, ATVs, Trailers, Watercraft, Aircraft, and Manufactured (Mobile) Homes) – Forms ST-556 and ST-556-LSE, RUT-25 and RUT-25-LSE, and RUT-50)
- File on Paper
Withholding/Payroll
Note: Electronic filing of the W-2, W-2c, and W-2G, is mandatory (1099-K in some situations).
- Electronic W-2 and 1099 Transmittal Program
- Automated/Bulk Filing - (FSET - File and pay - Enrollment required)
- UI-3/40 (MyTax Illinois) - (Illinois Department of Employment Security) Report and pay unemployment insurance tax through your MyTax Illinois account
- Third Party Tax-Prep Software for Withholding
- File on Paper