INC TX-R AND D CREDIT House SponsorsRep. Keith R. Wheeler 1/10/2017HouseSession 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 years (instead of 5 years). Increases the amount of the research and development credit by providing that the increase in qualifying expenditures shall be an increase over 50% (instead of 100%) of the average of the qualifying expenditures for each year in the base period. Effective immediately. 2/10/2016HouseFiled with the Clerk by Rep. Keith R. Wheeler 2/10/2016HouseFirst Reading 2/10/2016HouseReferred to Rules Committee 1/10/2017HouseSession Sine Die