80 Ill. Adm. Code 1.146
Service of Pleadings
Section 1
Section 1.146 Service of
Pleadings
a) Manner of Service. When copies of documents filed with the
Commission are required to be served on the opposing party, these copies shall
be served personally, by first class mail, or in a manner agreed to by the
parties and approved by the Administrative Law Judge pursuant to Section 1.150.
b) Proof of Service. Proof that copies were served on the
opposing party must be filed with the papers required to be filed with the
Commission. Proof of service shall consist of the statement of the individual
making service specifying the manner and date of the service.