Synopsis As Introduced Amends the Illinois Income Tax Act. Creates an income tax credit for taxpayers who have an approved NFPA 13D residential fire sprinkler system installed in a new or existing residential dwelling in the State during the taxable year. Provides that the credit shall be in an amount equal to 50% of the total cost of the installation but not to exceed $10,000 per taxpayer in any taxable year. Provides that the credit is exempt from the Act's automatic sunset provisions. Effective immediately.