Synopsis As Introduced Creates the Endow Illinois Tax Credit Act. Creates an income tax credit for taxpayers who provide an endowment gift to a permanent endowment fund. Provides that the amount of the credit is an amount equal to 50% of the endowment gift. Sets forth the aggregate amount of the credit. Provides that the Department of Revenue shall administer the credit. Provides that the Department of Revenue shall submit an annual report to the Governor and the General Assembly concerning the activities conducted under the Act during the previous calendar year. Amends the Illinois Income Tax Act to make conforming changes. Effective immediately.