5 ILCS 315/15.1: Precedents established by other labor boards.

Unless contradicted by administrative precedent previously established by the State Panel, all final decisions in representation and unfair labor practice cases decided by the Local Panel and the Illinois Educational Labor Relations Board created under the Illinois Educational Labor Relations Act which have not been reversed by subsequent court rulings, shall be considered, but need not be followed by the State Panel.

Unless contradicted by administrative precedent previously established by the Local Panel, all final decisions in representation and unfair labor practice cases decided by the State Panel and the Illinois Educational Labor Relations Board which have not been reversed by subsequent court rulings, shall be considered, but need not be followed by the Local Panel.