Bill Title: Amends the Illinois Income Tax Act. Increases the research and development credit by providing that the increase in research and development activities shall be based on an increase over 50% of the average of the qualifying expenditures for each year in the base period (instead of 100% of the average of the qualifying expenditures for each year in the base period). Provides that the research and development credit applies on a permanent basis. Effective immediately.

Spectrum: Partisan Bill (Republican 1-0)

Status: (Failed) 2025-01-07 - Session Sine Die [HB4457 Detail]

Text: Latest bill text (Introduced) [HTML]

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