Skip to main content

Scam Alert: Fake Texts and Websites Impersonating IDOR

Be alert for fraudulent messages or websites attempting to steal your banking information, login credentials, or credit card details. The Illinois Department of Revenue (IDOR) will never request personal or financial information via text message. To confirm official communications or contact details, always visit https://tax.illinois.gov.

Employment Sign Up for Updates

2016 Exempt Organization Income and Replacement Tax Forms

Name Description
IL-990-T Instructions Exempt Organization Income and Replacement Tax Return
IL-990-T-V   Payment Voucher for Exempt Organization Income and Replacement Tax
IL-990-T-X Instructions Amended Exempt Organization Income and Replacement Tax Return
IL-990-T-X-V   Payment Voucher for Amended Exempt Organization Income and Replacement Tax
IL-477 Instructions Replacement Tax Investment Credits
Schedule 1299-D Instructions Income Tax Credits (for corporations and fiduciaries)
Schedule 1299-D (R&D) Instructions Research and Development Credit Supplemental Schedule (for corporations and fiduciaries)
Schedule SA (IL-990-T) Instructions Specific Accounting Method of Computing Net Income for Exempt Organizations
Schedule 1299-S   Obsolete - See the Illinois Department of Commerce and Economic Opportunity website for a list of enterprise zones, river edge redevelopment zones, and the DCEO contact information.
Schedule 4255 Instructions Recapture of Investment Tax Credits