425 ILCS 25/9f
The owner or occupier of the premises and his or her agents owe fire fighters who are on the premises in the performance of their official duties conducting fire investigations or inspections or responding to fire alarms or actual fires on the premises a duty of reasonable care in the maintenance of the premises according to applicable fire safety codes, regulations, ordinances, and generally applicable safety standards, including any decisions by the Illinois courts. The owner or occupier of the premises and his or her agents are not relieved of the duty of reasonable care if the fire fighter is injured due to the lack of maintenance of the premises in the course of responding to a fire, false alarm, or his or her inspection or investigation of the premises.
This Section applies to all causes of action that have accrued, will accrue, or are currently pending before a court of competent jurisdiction, including courts of review.
425 ILCS 25/9f