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Electronic Services

e-Services for Businesses

MyTax Illinois

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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.

Services provided by MyTax Illinois:

  • Register a Business (REG-1)
  • 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, Pay, and Manage Your Account Here for the Following:
    • Business Income Tax

      • IL-990-T - (Exempt Organization Income and Replacement Tax Return)
      • IL-1023-C - (Composite Income and Replacement Tax Return - Pay Only)
      • IL-1041 - (Fiduciary Income and Replacement Tax Return)
      • IL-1065 - (Partnership Replacement Tax Return - Pay Only)
      • IL-1120 - (Corporation Income and Replacement Tax Return - Pay Only)
      • IL-1120-ST - (Small Business Corporation Replacement Tax Return - Pay Only)
    • Excise/Misc. Taxes

      • DS-1 & DS-1-X - (Dry-Cleaning Solvent Tax)
      • ICT-4 & ICT-4-X - (Electricity Distribution & Invested Capital Tax)
      • RC-1-A - (Cigarette Tax Stamps)
      • RC-6-A & RC-6-A-X - (Out-of-State Cigarette Use Tax)
      • RC-6 & RC-6-X - (Cigarette Tax)
      • RC-36 Schedule CM - (Cigarette Manufacturers or Importers Report)
      • RC-44 - (Illinois Cigarette Use Tax Return)
      • RCOA-1 - (Coin-Operated Amusement Device Tax)
      • RCS-1 & RCS-1-X - (Secondary Distributors or Manufacturer Representatives Report)
      • RCS-36 Schedule CSM - (Cigarette Distributors Report)
      • RG-1 & RG-1-X - (Gas Tax)
      • RG-6 & RG-6-X - (Assistance Charges for Natural Gas Distributors)
      • RHM-1 & RHM-1-X - (Hotel Operators' Occupation Tax)
      • RL-4 - (Liquor - Nonbeverage User)
      • RL-26 & RL-26-X - (Liquor Tax)
      • RL-26-A & RL-26-A-X - (Liquor Tax - Airline)
      • RL-26-L - (Liquor Out-of-State Sellers Report)
      • RL-26-R - (Liquor Sales to Retailers)
      • RL-26-W & RL-26-W-X - (Liquor Direct Wine Shipper)
      • RPU-6 & RPU-6-X - (Assistance Charges for Electricity Distributors)
      • RPU-13 & RPU-13-X - (Electricity Excise Tax)
      • RT-2 & RT-2-X - (Telecommunications Tax)
      • RT-10 & RT-10-X - (Telecommunications Infrastructure Maintenance Fee)
      • TP-1 & TP-1-X - (Tobacco Products Tax)
    • Motor Fuel/IFTA

      • MFUT-12 - (IFTA License and Decals Application)
      • MFUT-15 - (IFTA Quarterly Return)
    • Sales & Use Taxes

      • ART-1 & ART-1-X - (Automobile Renting Occupation and Use Tax Return)
      • CMFT-1 & CMFT-1-X - (County Motor Fuel Tax Return)
      • PST-1 & PST-1-X - (Prepaid Sales Tax Return)
      • ST-1 & ST-1-X - (Sales and Use Tax and E911 Surcharge Return)
      • ST-4 & ST-4-X - (MPEA Food and Beverage Tax Return)
      • ST-8 & ST-8-X - (Tire User Fee)
      • ST-14 & ST-14-X - (Chicago Soft Drink Tax Return)
      • ST-556 & ST-556-X - (Sales Tax Transaction Return for Vehicles, Watercraft, Aircraft, Trailers, and Mobile Homes)
      • ST-556 Credit Activity and Detailed Liability Statement
    • Withholding/Payroll

      • IL-501 - (Payment Coupon)
      • IL-941 & IL-941-X - (Withholding Income Tax Return)

Other e-Services (Not Currently in MyTax Illinois)

Verify a Registered Business

Business Income Tax

Excise/Misc. Taxes

Motor Fuel/IFTA

Sales & Use Taxes

Withholding/Payroll

Note: Effective July 1, 2013, WebFile for withholding tax (IL-941) will be replaced with MyTax Illinois.

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