Bill Title: Creates the Extremely High Wealth Mark-to-Market Tax Act. Provides that a resident taxpayer with net assets worth $1,000,000,000 or more shall recognize gains or losses as if each asset owned by that taxpayer had been sold for its fair market value on December 31 of the taxable year. Contains provisions concerning the calculation of the amount of tax due from those gains or losses. Amends the Illinois Income Tax Act to make conforming changes. Amends the Department of Commerce and Economic Opportunity Law of the Civil Administrative Code of Illinois Provides that the Department of Commerce and Economic Opportunity shall develop a child care assistance program that includes child care subsidies and has benchmarks for limiting co-payments, by the year 2030, to no more than 7% of a family's income. Amends the Illinois Income Tax Act. Provides that, for taxable years beginning on or after January 1, 2027, the corporate income tax rate shall be 9% (currently, 7%). Effective immediately

Sponsorship: Partisan Bill (Democrat 1)

Status: (Introduced) 2026-02-06 - Referred to Assignments [SB3884 Detail]

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Bill Drafts

Revision	Date	Format	Source	View
Introduced	2026-02-06	HTML/Text	Link	View

Amendments

Amendment	Date	Disposition	Format	Source	View
No bill amendments currently on file for Illinois SB3884

Supplemental Documents

Title	Description	Date	Format	Source	View
No supplemental documents for Illinois SB3884 currently on file.