Tax Practitioners

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Electronic Filing Options

• 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

Other Electronic Services

• Electronic Payment Options
  
• Check a Client's Individual Income Tax Refund
• Check a Client's Motor Fuel/IFTA Account - (Distributors & Suppliers Tax/Environmental Impact Fee/Underground Storage Tank Tax )
• Check a Client's Motor Fuel Refund
• IDR-277 - Use Tax Single Trip Permits - (File & Pay)
• On-line e-Services for Businesses

Popular Links

• Abusive Tax Avoidance Transactions
• Business Income and Expense Questions and Answers
  
• Common Errors Identified in Tax Audits
• Compliance Alerts
• DCEO Tax Credits for Withholding
• Disaster Relief
• IL-1040 Alternative Filing Methods
• IL-1040 Electronic Filing Program Information
• Important Information for the 2020 Tax Filing Season
• Interest Rates
• Legal Information (Laws / Regulations / Rulings / Practitioners' Meetings)
• Mailing Addresses
• Managed Compliance Initiative Program Use Tax Q&As
  
• Paid Preparer’s IL-1040 Filing Mandate
• Paid Preparer's PTIN Requirement
• Power of Attorney
  
• Taxable Income Information -Unemployment income
  
• Tax Forums & Seminars
• Tax Information by Tax Type