INC TX-ILLINOIS SOURCES Senate SponsorsSen. Chapin Rose 1/7/2025SenateSession Sine Die 35 ILCS 5/203from Ch. 120, par. 2-203Amends the Illinois Income Tax Act. Provides that, when calculating the taxpayer's base income, the taxpayer's federal adjusted gross income shall be modified to exclude (i) the portion of income or loss that is received from a trade or business conducted within and without Illinois and that is not derived from or connected with Illinois sources and (ii) the portion of income or loss that is received from a pass-through entity conducting business within and without Illinois and that is not derived from or connected with Illinois sources. Effective immediately. 2/9/2023SenateFiled with Secretary by Sen. Chapin Rose 2/9/2023SenateFirst Reading 2/9/2023SenateReferred to Assignments 2/21/2023SenateAssigned to Revenue 3/10/2023SenateRule 3-9(a) / Re-referred to Assignments 1/7/2025SenateSession Sine Die