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Tax Professionals

Electronic Transmitters/Software and Forms Developers

Electronic Transmitters/Software Developers

Filing Specifications

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.

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