35 Ill. Adm. Code 168.225
Service of Documents and Proof of Service
Section 168
Section 168.225 Service of
Documents and Proof of Service
a) Service of pleadings, motions or other documents shall be made
by personal delivery or by depositing in the United States mail, first class
postage prepaid, properly addressed to the last known address of the party or
the party's representative upon whom service is to be made. One copy shall be
served to each other party who has filed an appearance and to the Hearing
Officer with proof of service.
b) Proof of service shall be filed with the Hearing Officer
before action will be taken on any pleading.
1) The proof of service shall show the date, time and manner of
service, and may be by written acknowledgement of service, by certificate of
the person effecting the service, or by certified mail with a return receipt.
2) The Hearing Officer shall allow the proof of service to be
amended or supplied at any time before action is taken unless to do so would
result in material prejudice to a party.
c) Service be mail is presumed complete and the time for any
response shall commence seven (7) days after mailing first class postage
prepaid.
d) The Hearing Officer shall maintain a service list of the names
and addresses of all parties and interested persons.