INC TX-R AND D CREDIT House SponsorsRep. Michael J. Zalewski and Deanne M. Mazzochi 1/13/2021HouseSession Sine Die 35 ILCS 5/201from Ch. 120, par. 2-201 Amends the Illinois Income Tax Act. Provides that the research and development credit applies on a permanent basis. Provides that the credit may be carried forward for a period of 20 taxable years (currently, 5 taxable years). Makes changes concerning the calculation of the credit. Effective immediately. 2/15/2019HouseFiled with the Clerk by Rep. Michael J. Zalewski 2/15/2019HouseFirst Reading 2/15/2019HouseReferred to Rules Committee 3/5/2019HouseAssigned to Executive Committee 3/19/2019HouseAdded Co-Sponsor Rep. Deanne M. Mazzochi 3/29/2019HouseRule 19(a) / Re-referred to Rules Committee 1/13/2021HouseSession Sine Die