Synopsis As Introduced Creates the Endow Illinois Tax Credit Act and amends the Illinois Income Tax Act. Requires the Department of Commerce and Economic Opportunity to authorize an income tax credit to taxpayers who provide an endowment gift to a permanent endowment fund. Sets forth procedures and criteria for authorizing the credits. Provides that the aggregate amount of all credits that the Department may authorize in any calendar year may not exceed $50,000,000. Requires the Department to make an annual report concerning the credits. Provides that the credit may be carried forward for 5 years. Exempts the credit from the Act's sunset provisions. Effective immediately.