Tax Professionals
Featured Topics
IL-2848, Power of Attorney
Illinois Small Business Jobs Creation Tax Credit
Common Errors Identified in Tax Audits
BTR-36, Implementation Guide for 1120 Federal/State Electronic Filing Program
(Updated 01/2012)
Compliance Alerts
What's New
(Updated 11/04/2011)
Software Developers
IL-1000 Software Issues
Guidelines/Specifications/Contact Information
(Updated 08/24/2011)
Draft Forms
(Updated 12/27/2011)
2011 IL-1040 2-D Specs
(Updated 12/27/2011)
2011 IL-1040 2-D Test Cases
(12/28/2011)
Sales/Use Tax Direct Filing Specs.
Electronic Filing Information
2011 Electronic Filing – Record Layouts, Error Codes, Test Cases
Check a Client's Individual Income Tax Refund
e-Connection
e-Services for Businesses
IL-1040 Electronic Filing Qualifications
IL-8453 - Signature Declaration
Modernized e-Filed MeF
Other e-Services for Local Governments and Tax Professionals
Tax-Prep Software Program Information
Tax Professional Mandate
Tax Information
Abusive Tax Shelters
Business Seminars
Current Interest Rate
IL-2848, Power of Attorney
Mailing Addresses
Practitioner Q & A
See all Tax Types
Tax Rate and Penalties for Individuals
Tax Forums & Seminars
Tax Incentives for Businesses
W-2 Mag Media Requirements
Other Useful Resources
Internal Revenue Service Site
Other Helpful Links
Other State's Sites
AMBER Alert
|
Missing Kids
|
Privacy Policy
|
Kids Privacy
|
Web Accessibility
|
Webmaster
Copyright © 2012
Quick Links
Home
Forms
Publications
Laws / Regs / Rulings
Tax Rate Database
Information For
Businesses
Charity Gaming
Excise Taxes
Individuals
Local Governments
Motor Fuel
Non-Profit Orgs.
Property Tax
Tax Professionals
About IDOR
What we do
Contact Us
Press Releases
Tax Stats
Tax Research
Site Map
