AUTHORITY: Implementing and authorized by Section 9 of The State Mandates Act (Ill. Rev. Stat. 1983, ch. 85, par. 2209).STATE MANDATES BOARD OF APPEALS
a) Upon written request and for good cause shown, the Board may permit others to intervene as parties to an appeal.
b) Petitions to Intervene should be served on all parties and shall address with specificity and particularity the matters "at issue" or which it desires to put "at issue".