Authorizing a credit against the State income tax for specified volunteer members of specified fire, rescue, or emergency services organizations under specified circumstances; providing that the credit may not exceed the lesser of $350 or the State income tax for that taxable year and that any unused credit may not be carried over to any other taxable year; authorizing an individual to claim the credit in addition to a specified subtraction modification; and applying the Act to tax years 2017 and beyond.