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. Effective immediately.

Sponsorship: Partisan Bill (Democrat 13)

Status: (Introduced - Dead) 2026-04-23 - Added as Co-Sponsor Sen. Mike Simmons [SB3376 Detail]

Text: Latest bill text (Introduced) [HTML]

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