225 ILCS 235/10.3
School districts and day care centers must maintain a registry of parents and guardians of students and employees who have registered to receive written or telephonic notification prior to application of pesticides to school property or day care centers or provide written or telephonic notification to all parents and guardians of students before such pesticide application. Written notification may be included in newsletters, bulletins, calendars, or other correspondence currently published by the school district or day care center. The written or telephonic notification must be given at least 2 business days before application of the pesticide application and should identify the intended date of the application of the pesticide and the name and telephone contact number for the school or day care center personnel responsible for the pesticide application program. Prior notice shall not be required if there is an imminent threat to health or property. If such a situation arises, the appropriate school or day care center personnel must sign a statement describing the circumstances that gave rise to the health threat and ensure that written or telephonic notice is provided as soon as practicable. For purposes of this Section, pesticides subject to notification requirements shall not include (i) an antimicrobial agent, such as disinfectant, sanitizer, or deodorizer, or (ii) insecticide baits and rodenticide baits.
225 ILCS 235/10.3