IL HB4307

Extends the income tax checkoff for the U.S.S. Illinois Commissioning Fund to apply for taxable years ending on or after December 31, 2015 (changed from December 31, 2014).

Changes the ending date for the checkoff to taxable years ending on or before December 31, 2017 (changed from December 31, 2016).

Allows Illinois taxpayers to contribute a minimum of $1 to the U.S.S. Illinois Commissioning Fund through their state income tax return, with contributions reducing refunds or increasing payments owed.

Directs the Department of Military Affairs to use collected funds to make grants to the U.S.S. Illinois Commissioning Committee.

Repeals the checkoff provision on December 31, 2018 (changed from December 31, 2017), with the act taking effect immediately upon passage.