105 ILCS 5/34-18.79: Sick leave; mental or behavioral health complications.

In addition to any interpretation or definition included in a collective bargaining agreement or board of education or district policy, sick leave, or its equivalent, to which a teacher or other eligible employee is entitled shall be interpreted to include mental or behavioral health complications. Unless contrary to a collective bargaining agreement or board of education or district policy, the board may require a certificate from a mental health professional licensed in Illinois providing ongoing care or treatment to the teacher or employee as a basis for pay during leave after an absence of 3 days for mental or behavioral health complications.