The Electronic Documents of Illinois provides permanent public access to official publications of the State of Illinois which have been deposited in electronic form.
Press Release: The Illinois Department of Revenue (IDOR) will begin accepting 2021 stateindividual income tax returns on Monday, January 24, 2022, the same date that the InternalRevenue Service (IRS) begins accepting federal individual income tax returns.
Petition for Approval of the IPA's Revised Long-Term Renewable Resources Procurement Plan Pursuant to Section16-111.5(b)(5)(ii) of the Public Utilities Act.