2 Ill. Adm. Code 1620.430
Filing Requirements
Section 1620.430 Filing
Requirements
a) An original and one copy of all documents
shall be filed with the Commission at the Commission's offices. The documents
shall be produced on 8½" x 11" white paper by a typing, printing,
duplicating or copying process that provides a clear, readable image. If a
filing is unreadable, it will be returned as unacceptable for filing. Parties
represented by counsel shall send to the Commission an electronic copy of all
documents via electronic mail on the same day that the paper documents are
filed. Parties not represented by counsel are encouraged to send electronic
copies of all filings.
b) Each party who files a document with the
Commission shall also send a copy of that document to the other party in the
case, or, if represented, to the other party's attorney. Parties shall attach
a certificate of service to each document in accordance with Illinois Supreme
Court Rule 12.