IL SB3786

Creates a "legacy tax credit" of $100 multiplied by the number of years a business has been headquartered in Illinois, available to sole proprietorships, LLCs, and corporations beginning January 1, 2026.

Establishes an employee tax credit of $100 per Illinois resident employee who has worked at least 6 consecutive months with the employer.

Provides a collective bargaining employee tax credit of $25 per Illinois resident employee who qualifies under National Labor Relations Board definitions and has 6+ months of consecutive employment.

Excess credits from all three provisions may be carried forward for up to 5 taxable years, with earlier credits applied first.

All three tax credits are exempt from the sunset provisions of Section 250 of the Illinois Income Tax Act.