Creates the Family Neonatal Intensive Care Leave Act. Provides that an employee of an employer with 16 or more employees and no more than 50 employees shall be entitled to use a maximum of 10 days of unpaid neonatal intensive care leave while any child of the employee is a patient in a neonatal intensive care unit. Provides that an employee of an employer with 51 or more employees shall be entitled to use 20 days of unpaid neonatal intensive care leave while a child of the employee is a patient in a neonatal intensive care unit. Provides that, upon the conclusion of leave taken under the Act, an employee shall be reinstated to his or her former position or a substantially equivalent one with no loss of benefits held or accrued prior to taking leave. Sets forth provisions concerning unlawful employer practices; Department of Labor responsibilities; and enforcement. Amends the State Finance Act to create the Neonatal Intensive Care Leave Fund.