INC TX-ILLINOIS SOURCES House SponsorsRep. Anthony DeLuca 1/7/2025HouseSession Sine Die 35 ILCS 5/203from Ch. 120, par. 2-203 Amends 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 the income or loss 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 the income or loss received from a pass-through entity conducting business within and without Illinois that is not derived from or connected with Illinois sources. Effective immediately. 2/16/2023HouseFiled with the Clerk by Rep. Anthony DeLuca 2/17/2023HouseFirst Reading 2/17/2023HouseReferred to Rules Committee 1/7/2025HouseSession Sine Die