SULLIVAN. New Act Creates the O'Hare International Airport Expansion Property Tax Impact Study Act. Provides that the purpose of the Act is to direct a study analyzing the impact of the expansion of O'Hare International Airport on property tax paid to units of local government surrounding the airport. Effective immediately. FEB-06-2002 S FIRST READING FEB-06-2002 S REFERRED TO SENATE RULES COMMITTEE RULES JAN-07-2003 S SESSION SINE DIE END OF INQUIRY Full Text Bill Summary