Electronic Transmitters/Software and Forms Developers
Electronic Transmitters/Software Developers
Electronic Transmitter Information for Excise, Sales & Use, and Withholding Taxes
NOTE: If your electronic filing software produces printed forms, you must separately enroll and test printed forms. See Substitute Forms Developers on the right.
- FY 2018-29 - Illinois Income Tax Guidance - Changes for Business Income Tax - 06/21/2018
Substitute Forms Developers
Creating your own version of Illinois Department of Revenue tax forms?
NOTE: If your substitute forms print from electronic filing software you develop, you must separately enroll and test your software. See Electronic Transmitters/Software Developers on the left.
Electronic Payment Options